1 |
gezelter |
115 |
module shapes |
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use force_globals |
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use definitions |
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use atype_module |
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use vector_class |
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use simulation |
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use status |
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#ifdef IS_MPI |
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use mpiSimulation |
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#endif |
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implicit none |
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PRIVATE |
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INTEGER, PARAMETER:: CHEBYSHEV_TN = 1 |
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INTEGER, PARAMETER:: CHEBYSHEV_UN = 2 |
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INTEGER, PARAMETER:: LAGUERRE = 3 |
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INTEGER, PARAMETER:: HERMITE = 4 |
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INTEGER, PARAMETER:: SH_COS = 0 |
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INTEGER, PARAMETER:: SH_SIN = 1 |
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logical, save :: haveShapeMap = .false. |
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public :: do_shape_pair |
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public :: newShapeType |
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type, private :: Shape |
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integer :: atid |
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integer :: nContactFuncs |
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integer :: nRangeFuncs |
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integer :: nStrengthFuncs |
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integer :: bigL |
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integer :: bigM |
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integer, pointer, dimension(:) :: ContactFuncLValue => null() |
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integer, pointer, dimension(:) :: ContactFuncMValue => null() |
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integer, pointer, dimension(:) :: ContactFunctionType => null() |
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real(kind=dp), pointer, dimension(:) :: ContactFuncCoefficient => null() |
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integer, pointer, dimension(:) :: RangeFuncLValue => null() |
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integer, pointer, dimension(:) :: RangeFuncMValue => null() |
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integer, pointer, dimension(:) :: RangeFunctionType => null() |
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real(kind=dp), pointer, dimension(:) :: RangeFuncCoefficient => null() |
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integer, pointer, dimension(:) :: StrengthFuncLValue => null() |
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integer, pointer, dimension(:) :: StrengthFuncMValue => null() |
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integer, pointer, dimension(:) :: StrengthFunctionType => null() |
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real(kind=dp), pointer, dimension(:) :: StrengthFuncCoefficient => null() |
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logical :: isLJ |
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real ( kind = dp ) :: epsilon |
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real ( kind = dp ) :: sigma |
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end type Shape |
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type, private :: ShapeList |
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integer :: n_shapes = 0 |
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integer :: currentShape = 0 |
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type (Shape), pointer :: Shapes(:) => null() |
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integer, pointer :: atidToShape(:) => null() |
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end type ShapeList |
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type(ShapeList), save :: ShapeMap |
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integer :: lmax |
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real (kind=dp), allocatable, dimension(:,:) :: plm_i, dlm_i, plm_j, dlm_j |
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real (kind=dp), allocatable, dimension(:) :: tm_i, dtm_i, um_i, dum_i |
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real (kind=dp), allocatable, dimension(:) :: tm_j, dtm_j, um_j, dum_j |
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contains |
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subroutine newShapeType(nContactFuncs, ContactFuncLValue, & |
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ContactFuncMValue, ContactFunctionType, ContactFuncCoefficient, & |
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nRangeFuncs, RangeFuncLValue, RangeFuncMValue, RangeFunctionType, & |
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RangeFuncCoefficient, nStrengthFuncs, StrengthFuncLValue, & |
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StrengthFuncMValue, StrengthFunctionType, StrengthFuncCoefficient, & |
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myAtid, status) |
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integer :: nContactFuncs |
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integer :: nRangeFuncs |
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integer :: nStrengthFuncs |
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integer :: shape_ident |
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integer :: status |
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integer :: myAtid |
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integer :: bigL |
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integer :: bigM |
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integer :: j, me, nShapeTypes, nLJTypes, ntypes, current, alloc_stat |
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integer, pointer :: MatchList(:) => null() |
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integer, dimension(nContactFuncs) :: ContactFuncLValue |
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integer, dimension(nContactFuncs) :: ContactFuncMValue |
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integer, dimension(nContactFuncs) :: ContactFunctionType |
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real(kind=dp), dimension(nContactFuncs) :: ContactFuncCoefficient |
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integer, dimension(nRangeFuncs) :: RangeFuncLValue |
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integer, dimension(nRangeFuncs) :: RangeFuncMValue |
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integer, dimension(nRangeFuncs) :: RangeFunctionType |
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real(kind=dp), dimension(nRangeFuncs) :: RangeFuncCoefficient |
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integer, dimension(nStrengthFuncs) :: StrengthFuncLValue |
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integer, dimension(nStrengthFuncs) :: StrengthFuncMValue |
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integer, dimension(nStrengthFuncs) :: StrengthFunctionType |
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real(kind=dp), dimension(nStrengthFuncs) :: StrengthFuncCoefficient |
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status = 0 |
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! check to see if this is the first time into this routine... |
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if (.not.associated(ShapeMap%Shapes)) then |
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call getMatchingElementList(atypes, "is_Shape", .true., & |
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nShapeTypes, MatchList) |
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call getMatchingElementList(atypes, "is_LJ", .true., & |
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nLJTypes, MatchList) |
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ShapeMap%n_shapes = nShapeTypes + nLJTypes |
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allocate(ShapeMap%Shapes(nShapeTypes + nLJTypes)) |
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ntypes = getSize(atypes) |
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allocate(ShapeMap%atidToShape(ntypes)) |
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end if |
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ShapeMap%currentShape = ShapeMap%currentShape + 1 |
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current = ShapeMap%currentShape |
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call allocateShape(nContactFuncs, nRangeFuncs, nStrengthFuncs, & |
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ShapeMap%Shapes(current), stat=alloc_stat) |
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if (alloc_stat .ne. 0) then |
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status = -1 |
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return |
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endif |
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129 |
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call getElementProperty(atypes, myAtid, "c_ident", me) |
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ShapeMap%atidToShape(me) = current |
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ShapeMap%Shapes(current)%atid = me |
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ShapeMap%Shapes(current)%nContactFuncs = nContactFuncs |
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ShapeMap%Shapes(current)%nRangeFuncs = nRangeFuncs |
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ShapeMap%Shapes(current)%nStrengthFuncs = nStrengthFuncs |
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ShapeMap%Shapes(current)%ContactFuncLValue = ContactFuncLValue |
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ShapeMap%Shapes(current)%ContactFuncMValue = ContactFuncMValue |
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ShapeMap%Shapes(current)%ContactFunctionType = ContactFunctionType |
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ShapeMap%Shapes(current)%ContactFuncCoefficient = ContactFuncCoefficient |
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ShapeMap%Shapes(current)%RangeFuncLValue = RangeFuncLValue |
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ShapeMap%Shapes(current)%RangeFuncMValue = RangeFuncMValue |
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ShapeMap%Shapes(current)%RangeFunctionType = RangeFunctionType |
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ShapeMap%Shapes(current)%RangeFuncCoefficient = RangeFuncCoefficient |
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ShapeMap%Shapes(current)%StrengthFuncLValue = StrengthFuncLValue |
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ShapeMap%Shapes(current)%StrengthFuncMValue = StrengthFuncMValue |
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ShapeMap%Shapes(current)%StrengthFunctionType = StrengthFunctionType |
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ShapeMap%Shapes(current)%StrengthFuncCoefficient = StrengthFuncCoefficient |
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bigL = -1 |
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bigM = -1 |
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do j = 1, ShapeMap%Shapes(current)%nContactFuncs |
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if (ShapeMap%Shapes(current)%ContactFuncLValue(j) .gt. bigL) then |
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bigL = ShapeMap%Shapes(current)%ContactFuncLValue(j) |
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endif |
155 |
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if (ShapeMap%Shapes(current)%ContactFuncMValue(j) .gt. bigM) then |
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bigM = ShapeMap%Shapes(current)%ContactFuncMValue(j) |
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endif |
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enddo |
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do j = 1, ShapeMap%Shapes(current)%nRangeFuncs |
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if (ShapeMap%Shapes(current)%RangeFuncLValue(j) .gt. bigL) then |
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bigL = ShapeMap%Shapes(current)%RangeFuncLValue(j) |
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endif |
163 |
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if (ShapeMap%Shapes(current)%RangeFuncMValue(j) .gt. bigM) then |
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bigM = ShapeMap%Shapes(current)%RangeFuncMValue(j) |
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endif |
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enddo |
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do j = 1, ShapeMap%Shapes(current)%nStrengthFuncs |
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if (ShapeMap%Shapes(current)%StrengthFuncLValue(j) .gt. bigL) then |
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bigL = ShapeMap%Shapes(current)%StrengthFuncLValue(j) |
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endif |
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if (ShapeMap%Shapes(current)%StrengthFuncMValue(j) .gt. bigM) then |
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bigM = ShapeMap%Shapes(current)%StrengthFuncMValue(j) |
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endif |
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enddo |
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ShapeMap%Shapes(current)%bigL = bigL |
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ShapeMap%Shapes(current)%bigM = bigM |
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end subroutine newShapeType |
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subroutine allocateShape(nContactFuncs, nRangeFuncs, nStrengthFuncs, & |
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myShape, stat) |
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integer, intent(in) :: nContactFuncs, nRangeFuncs, nStrengthFuncs |
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type(Shape), intent(inout) :: myShape |
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integer, intent(out) :: stat |
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integer :: alloc_stat |
188 |
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189 |
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if (associated(myShape%contactFuncLValue)) then |
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deallocate(myShape%contactFuncLValue) |
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endif |
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allocate(myShape%contactFuncLValue(nContactFuncs), stat = alloc_stat) |
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if (alloc_stat .ne. 0) then |
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stat = -1 |
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return |
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endif |
197 |
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if (associated(myShape%contactFuncMValue)) then |
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deallocate(myShape%contactFuncMValue) |
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endif |
200 |
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allocate(myShape%contactFuncMValue(nContactFuncs), stat = alloc_stat) |
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if (alloc_stat .ne. 0) then |
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stat = -1 |
203 |
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return |
204 |
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endif |
205 |
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if (associated(myShape%contactFunctionType)) then |
206 |
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deallocate(myShape%contactFunctionType) |
207 |
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endif |
208 |
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allocate(myShape%contactFunctionType(nContactFuncs), stat = alloc_stat) |
209 |
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if (alloc_stat .ne. 0) then |
210 |
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stat = -1 |
211 |
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return |
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endif |
213 |
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if (associated(myShape%contactFuncCoefficient)) then |
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deallocate(myShape%contactFuncCoefficient) |
215 |
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endif |
216 |
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allocate(myShape%contactFuncCoefficient(nContactFuncs), stat = alloc_stat) |
217 |
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if (alloc_stat .ne. 0) then |
218 |
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stat = -1 |
219 |
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return |
220 |
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endif |
221 |
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222 |
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if (associated(myShape%rangeFuncLValue)) then |
223 |
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deallocate(myShape%rangeFuncLValue) |
224 |
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endif |
225 |
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allocate(myShape%rangeFuncLValue(nRangeFuncs), stat = alloc_stat) |
226 |
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if (alloc_stat .ne. 0) then |
227 |
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stat = -1 |
228 |
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return |
229 |
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endif |
230 |
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if (associated(myShape%rangeFuncMValue)) then |
231 |
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deallocate(myShape%rangeFuncMValue) |
232 |
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endif |
233 |
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allocate(myShape%rangeFuncMValue(nRangeFuncs), stat = alloc_stat) |
234 |
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if (alloc_stat .ne. 0) then |
235 |
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stat = -1 |
236 |
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return |
237 |
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endif |
238 |
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if (associated(myShape%rangeFunctionType)) then |
239 |
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deallocate(myShape%rangeFunctionType) |
240 |
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endif |
241 |
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allocate(myShape%rangeFunctionType(nRangeFuncs), stat = alloc_stat) |
242 |
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if (alloc_stat .ne. 0) then |
243 |
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stat = -1 |
244 |
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return |
245 |
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endif |
246 |
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if (associated(myShape%rangeFuncCoefficient)) then |
247 |
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deallocate(myShape%rangeFuncCoefficient) |
248 |
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endif |
249 |
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allocate(myShape%rangeFuncCoefficient(nRangeFuncs), stat = alloc_stat) |
250 |
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if (alloc_stat .ne. 0) then |
251 |
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stat = -1 |
252 |
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return |
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endif |
254 |
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255 |
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if (associated(myShape%strengthFuncLValue)) then |
256 |
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deallocate(myShape%strengthFuncLValue) |
257 |
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endif |
258 |
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allocate(myShape%strengthFuncLValue(nStrengthFuncs), stat = alloc_stat) |
259 |
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if (alloc_stat .ne. 0) then |
260 |
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stat = -1 |
261 |
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return |
262 |
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endif |
263 |
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if (associated(myShape%strengthFuncMValue)) then |
264 |
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deallocate(myShape%strengthFuncMValue) |
265 |
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endif |
266 |
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allocate(myShape%strengthFuncMValue(nStrengthFuncs), stat = alloc_stat) |
267 |
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if (alloc_stat .ne. 0) then |
268 |
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stat = -1 |
269 |
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return |
270 |
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endif |
271 |
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if (associated(myShape%strengthFunctionType)) then |
272 |
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deallocate(myShape%strengthFunctionType) |
273 |
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endif |
274 |
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allocate(myShape%strengthFunctionType(nStrengthFuncs), stat = alloc_stat) |
275 |
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if (alloc_stat .ne. 0) then |
276 |
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stat = -1 |
277 |
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return |
278 |
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endif |
279 |
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if (associated(myShape%strengthFuncCoefficient)) then |
280 |
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deallocate(myShape%strengthFuncCoefficient) |
281 |
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endif |
282 |
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allocate(myShape%strengthFuncCoefficient(nStrengthFuncs), stat=alloc_stat) |
283 |
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if (alloc_stat .ne. 0) then |
284 |
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stat = -1 |
285 |
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return |
286 |
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endif |
287 |
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288 |
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end subroutine allocateShape |
289 |
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290 |
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subroutine init_Shape_FF(status) |
291 |
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integer :: status |
292 |
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integer :: i, j, l, m, lm, function_type |
293 |
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real(kind=dp) :: bigSigma, myBigSigma, thisSigma, coeff, Phunc, spi |
294 |
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real(kind=dp) :: costheta, cpi, theta, Pi, phi, thisDP |
295 |
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integer :: alloc_stat, iTheta, iPhi, nSteps, nAtypes, thisIP, current |
296 |
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logical :: thisProperty |
297 |
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298 |
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Pi = 4.0d0 * datan(1.0d0) |
299 |
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300 |
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status = 0 |
301 |
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if (ShapeMap%currentShape == 0) then |
302 |
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call handleError("init_Shape_FF", "No members in ShapeMap") |
303 |
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status = -1 |
304 |
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return |
305 |
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end if |
306 |
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307 |
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bigSigma = 0.0d0 |
308 |
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do i = 1, ShapeMap%currentShape |
309 |
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310 |
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! Scan over theta and phi to |
311 |
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! find the largest contact in any direction.... |
312 |
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313 |
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myBigSigma = 0.0d0 |
314 |
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315 |
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do iTheta = 0, nSteps |
316 |
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theta = (Pi/2.0d0)*(dble(iTheta)/dble(nSteps)) |
317 |
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costheta = cos(theta) |
318 |
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319 |
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call Associated_Legendre(costheta, ShapeMap%Shapes(i)%bigL, & |
320 |
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ShapeMap%Shapes(i)%bigM, lmax, plm_i, dlm_i) |
321 |
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322 |
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do iPhi = 0, nSteps |
323 |
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phi = -Pi + 2.0d0 * Pi * (dble(iPhi)/dble(nSteps)) |
324 |
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cpi = cos(phi) |
325 |
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spi = sin(phi) |
326 |
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327 |
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call Orthogonal_Polynomial(cpi, ShapeMap%Shapes(i)%bigM, & |
328 |
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CHEBYSHEV_TN, tm_i, dtm_i) |
329 |
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call Orthogonal_Polynomial(cpi, ShapeMap%Shapes(i)%bigM, & |
330 |
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CHEBYSHEV_UN, um_i, dum_i) |
331 |
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332 |
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thisSigma = 0.0d0 |
333 |
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334 |
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do lm = 1, ShapeMap%Shapes(i)%nContactFuncs |
335 |
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336 |
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l = ShapeMap%Shapes(i)%ContactFuncLValue(lm) |
337 |
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m = ShapeMap%Shapes(i)%ContactFuncMValue(lm) |
338 |
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coeff = ShapeMap%Shapes(i)%ContactFuncCoefficient(lm) |
339 |
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function_type = ShapeMap%Shapes(i)%ContactFunctionType(lm) |
340 |
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341 |
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if ((function_type .eq. SH_COS).or.(m.eq.0)) then |
342 |
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Phunc = coeff * tm_i(m) |
343 |
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else |
344 |
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Phunc = coeff * spi * um_i(m-1) |
345 |
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endif |
346 |
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347 |
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thisSigma = thisSigma + plm_i(l,m)*Phunc |
348 |
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enddo |
349 |
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350 |
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if (thisSigma.gt.myBigSigma) myBigSigma = thisSigma |
351 |
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enddo |
352 |
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enddo |
353 |
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354 |
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if (myBigSigma.gt.bigSigma) bigSigma = myBigSigma |
355 |
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enddo |
356 |
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357 |
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nAtypes = getSize(atypes) |
358 |
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359 |
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if (nAtypes == 0) then |
360 |
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status = -1 |
361 |
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return |
362 |
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end if |
363 |
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364 |
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do i = 1, nAtypes |
365 |
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366 |
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call getElementProperty(atypes, i, "is_LJ", thisProperty) |
367 |
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368 |
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if (thisProperty) then |
369 |
|
|
|
370 |
|
|
ShapeMap%currentShape = ShapeMap%currentShape + 1 |
371 |
|
|
current = ShapeMap%currentShape |
372 |
|
|
|
373 |
|
|
call getElementProperty(atypes, i, "c_ident", thisIP) |
374 |
|
|
ShapeMap%atidToShape(thisIP) = current |
375 |
|
|
ShapeMap%Shapes(current)%atid = thisIP |
376 |
|
|
|
377 |
|
|
ShapeMap%Shapes(current)%isLJ = .true. |
378 |
|
|
|
379 |
|
|
call getElementProperty(atypes, i, "lj_epsilon", thisDP) |
380 |
|
|
ShapeMap%Shapes(current)%epsilon = thisDP |
381 |
|
|
|
382 |
|
|
call getElementProperty(atypes, i, "lj_sigma", thisDP) |
383 |
|
|
ShapeMap%Shapes(current)%sigma = thisDP |
384 |
|
|
if (thisDP .gt. bigSigma) bigSigma = thisDP |
385 |
|
|
|
386 |
|
|
endif |
387 |
|
|
|
388 |
|
|
end do |
389 |
|
|
|
390 |
|
|
haveShapeMap = .true. |
391 |
|
|
|
392 |
|
|
end subroutine init_Shape_FF |
393 |
|
|
|
394 |
|
|
subroutine do_shape_pair(atom1, atom2, d, rij, r2, sw, vpair, fpair, & |
395 |
|
|
pot, A, f, t, do_pot) |
396 |
|
|
|
397 |
|
|
integer, intent(in) :: atom1, atom2 |
398 |
|
|
real (kind=dp), intent(inout) :: rij, r2 |
399 |
|
|
real (kind=dp), dimension(3), intent(in) :: d |
400 |
|
|
real (kind=dp), dimension(3), intent(inout) :: fpair |
401 |
|
|
real (kind=dp) :: pot, vpair, sw |
402 |
|
|
real (kind=dp), dimension(9,nLocal) :: A |
403 |
|
|
real (kind=dp), dimension(3,nLocal) :: f |
404 |
|
|
real (kind=dp), dimension(3,nLocal) :: t |
405 |
|
|
logical, intent(in) :: do_pot |
406 |
|
|
|
407 |
|
|
real (kind=dp) :: r3, r5, rt2, rt3, rt5, rt6, rt11, rt12, rt126 |
408 |
|
|
integer :: atid1, atid2, st1, st2 |
409 |
|
|
integer :: l, m, lm, id1, id2, localError, function_type |
410 |
|
|
real (kind=dp) :: sigma_i, s_i, eps_i, sigma_j, s_j, eps_j |
411 |
|
|
real (kind=dp) :: coeff |
412 |
|
|
|
413 |
|
|
real (kind=dp) :: dsigmaidx, dsigmaidy, dsigmaidz |
414 |
|
|
real (kind=dp) :: dsigmaidux, dsigmaiduy, dsigmaiduz |
415 |
|
|
real (kind=dp) :: dsigmajdx, dsigmajdy, dsigmajdz |
416 |
|
|
real (kind=dp) :: dsigmajdux, dsigmajduy, dsigmajduz |
417 |
|
|
|
418 |
|
|
real (kind=dp) :: dsidx, dsidy, dsidz |
419 |
|
|
real (kind=dp) :: dsidux, dsiduy, dsiduz |
420 |
|
|
real (kind=dp) :: dsjdx, dsjdy, dsjdz |
421 |
|
|
real (kind=dp) :: dsjdux, dsjduy, dsjduz |
422 |
|
|
|
423 |
|
|
real (kind=dp) :: depsidx, depsidy, depsidz |
424 |
|
|
real (kind=dp) :: depsidux, depsiduy, depsiduz |
425 |
|
|
real (kind=dp) :: depsjdx, depsjdy, depsjdz |
426 |
|
|
real (kind=dp) :: depsjdux, depsjduy, depsjduz |
427 |
|
|
|
428 |
|
|
real (kind=dp) :: xi, yi, zi, xj, yj, zj, xi2, yi2, zi2, xj2, yj2, zj2 |
429 |
|
|
|
430 |
|
|
real (kind=dp) :: proji, proji3, projj, projj3 |
431 |
|
|
real (kind=dp) :: cti, ctj, cpi, cpj, spi, spj |
432 |
|
|
real (kind=dp) :: Phunc, sigma, s, eps, rtdenom, rt |
433 |
|
|
|
434 |
|
|
real (kind=dp) :: dctidx, dctidy, dctidz |
435 |
|
|
real (kind=dp) :: dctidux, dctiduy, dctiduz |
436 |
|
|
real (kind=dp) :: dctjdx, dctjdy, dctjdz |
437 |
|
|
real (kind=dp) :: dctjdux, dctjduy, dctjduz |
438 |
|
|
|
439 |
|
|
real (kind=dp) :: dcpidx, dcpidy, dcpidz |
440 |
|
|
real (kind=dp) :: dcpidux, dcpiduy, dcpiduz |
441 |
|
|
real (kind=dp) :: dcpjdx, dcpjdy, dcpjdz |
442 |
|
|
real (kind=dp) :: dcpjdux, dcpjduy, dcpjduz |
443 |
|
|
|
444 |
|
|
real (kind=dp) :: dspidx, dspidy, dspidz |
445 |
|
|
real (kind=dp) :: dspidux, dspiduy, dspiduz |
446 |
|
|
real (kind=dp) :: dspjdx, dspjdy, dspjdz |
447 |
|
|
real (kind=dp) :: dspjdux, dspjduy, dspjduz |
448 |
|
|
|
449 |
|
|
real (kind=dp) :: dPhuncdX, dPhuncdY, dPhuncdZ |
450 |
|
|
real (kind=dp) :: dPhuncdUx, dPhuncdUy, dPhuncdUz |
451 |
|
|
|
452 |
|
|
real (kind=dp) :: dsigmadxi, dsigmadyi, dsigmadzi |
453 |
|
|
real (kind=dp) :: dsigmaduxi, dsigmaduyi, dsigmaduzi |
454 |
|
|
real (kind=dp) :: dsigmadxj, dsigmadyj, dsigmadzj |
455 |
|
|
real (kind=dp) :: dsigmaduxj, dsigmaduyj, dsigmaduzj |
456 |
|
|
|
457 |
|
|
real (kind=dp) :: dsdxi, dsdyi, dsdzi |
458 |
|
|
real (kind=dp) :: dsduxi, dsduyi, dsduzi |
459 |
|
|
real (kind=dp) :: dsdxj, dsdyj, dsdzj |
460 |
|
|
real (kind=dp) :: dsduxj, dsduyj, dsduzj |
461 |
|
|
|
462 |
|
|
real (kind=dp) :: depsdxi, depsdyi, depsdzi |
463 |
|
|
real (kind=dp) :: depsduxi, depsduyi, depsduzi |
464 |
|
|
real (kind=dp) :: depsdxj, depsdyj, depsdzj |
465 |
|
|
real (kind=dp) :: depsduxj, depsduyj, depsduzj |
466 |
|
|
|
467 |
|
|
real (kind=dp) :: drtdxi, drtdyi, drtdzi |
468 |
|
|
real (kind=dp) :: drtduxi, drtduyi, drtduzi |
469 |
|
|
real (kind=dp) :: drtdxj, drtdyj, drtdzj |
470 |
|
|
real (kind=dp) :: drtduxj, drtduyj, drtduzj |
471 |
|
|
|
472 |
|
|
real (kind=dp) :: drdxi, drdyi, drdzi |
473 |
|
|
real (kind=dp) :: drduxi, drduyi, drduzi |
474 |
|
|
real (kind=dp) :: drdxj, drdyj, drdzj |
475 |
|
|
real (kind=dp) :: drduxj, drduyj, drduzj |
476 |
|
|
|
477 |
|
|
real (kind=dp) :: dvdxi, dvdyi, dvdzi |
478 |
|
|
real (kind=dp) :: dvduxi, dvduyi, dvduzi |
479 |
|
|
real (kind=dp) :: dvdxj, dvdyj, dvdzj |
480 |
|
|
real (kind=dp) :: dvduxj, dvduyj, dvduzj |
481 |
|
|
|
482 |
|
|
real (kind=dp) :: fxi, fyi, fzi, fxj, fyj, fzj |
483 |
|
|
real (kind=dp) :: txi, tyi, tzi, txj, tyj, tzj |
484 |
|
|
real (kind=dp) :: fxii, fyii, fzii, fxij, fyij, fzij |
485 |
|
|
real (kind=dp) :: fxji, fyji, fzji, fxjj, fyjj, fzjj |
486 |
|
|
real (kind=dp) :: fxradial, fyradial, fzradial |
487 |
|
|
|
488 |
|
|
if (.not.haveShapeMap) then |
489 |
|
|
call handleError("calc_shape", "NO SHAPEMAP!!!!") |
490 |
|
|
return |
491 |
|
|
endif |
492 |
|
|
|
493 |
|
|
!! We assume that the rotation matrices have already been calculated |
494 |
|
|
!! and placed in the A array. |
495 |
|
|
|
496 |
|
|
r3 = r2*rij |
497 |
|
|
r5 = r3*r2 |
498 |
|
|
|
499 |
|
|
drdxi = -d(1) / rij |
500 |
|
|
drdyi = -d(2) / rij |
501 |
|
|
drdzi = -d(3) / rij |
502 |
|
|
|
503 |
|
|
drdxj = d(1) / rij |
504 |
|
|
drdyj = d(2) / rij |
505 |
|
|
drdzj = d(3) / rij |
506 |
|
|
|
507 |
|
|
! find the atom type id (atid) for each atom: |
508 |
|
|
#ifdef IS_MPI |
509 |
|
|
atid1 = atid_Row(atom1) |
510 |
|
|
atid2 = atid_Col(atom2) |
511 |
|
|
#else |
512 |
|
|
atid1 = atid(atom1) |
513 |
|
|
atid2 = atid(atom2) |
514 |
|
|
#endif |
515 |
|
|
|
516 |
|
|
! use the atid to find the shape type (st) for each atom: |
517 |
|
|
|
518 |
|
|
st1 = ShapeMap%atidToShape(atid1) |
519 |
|
|
st2 = ShapeMap%atidToShape(atid2) |
520 |
|
|
|
521 |
|
|
if (ShapeMap%Shapes(st1)%isLJ) then |
522 |
|
|
sigma_i = ShapeMap%Shapes(st1)%sigma |
523 |
|
|
s_i = ShapeMap%Shapes(st1)%sigma |
524 |
|
|
eps_i = ShapeMap%Shapes(st1)%epsilon |
525 |
|
|
dsigmaidx = 0.0d0 |
526 |
|
|
dsigmaidy = 0.0d0 |
527 |
|
|
dsigmaidz = 0.0d0 |
528 |
|
|
dsigmaidux = 0.0d0 |
529 |
|
|
dsigmaiduy = 0.0d0 |
530 |
|
|
dsigmaiduz = 0.0d0 |
531 |
|
|
dsidx = 0.0d0 |
532 |
|
|
dsidy = 0.0d0 |
533 |
|
|
dsidz = 0.0d0 |
534 |
|
|
dsidux = 0.0d0 |
535 |
|
|
dsiduy = 0.0d0 |
536 |
|
|
dsiduz = 0.0d0 |
537 |
|
|
depsidx = 0.0d0 |
538 |
|
|
depsidy = 0.0d0 |
539 |
|
|
depsidz = 0.0d0 |
540 |
|
|
depsidux = 0.0d0 |
541 |
|
|
depsiduy = 0.0d0 |
542 |
|
|
depsiduz = 0.0d0 |
543 |
|
|
else |
544 |
|
|
|
545 |
|
|
#ifdef IS_MPI |
546 |
|
|
! rotate the inter-particle separation into the two different |
547 |
|
|
! body-fixed coordinate systems: |
548 |
|
|
|
549 |
|
|
xi = A_row(1,atom1)*d(1) + A_row(2,atom1)*d(2) + A_row(3,atom1)*d(3) |
550 |
|
|
yi = A_row(4,atom1)*d(1) + A_row(5,atom1)*d(2) + A_row(6,atom1)*d(3) |
551 |
|
|
zi = A_row(7,atom1)*d(1) + A_row(8,atom1)*d(2) + A_row(9,atom1)*d(3) |
552 |
|
|
|
553 |
|
|
#else |
554 |
|
|
! rotate the inter-particle separation into the two different |
555 |
|
|
! body-fixed coordinate systems: |
556 |
|
|
|
557 |
|
|
xi = a(1,atom1)*d(1) + a(2,atom1)*d(2) + a(3,atom1)*d(3) |
558 |
|
|
yi = a(4,atom1)*d(1) + a(5,atom1)*d(2) + a(6,atom1)*d(3) |
559 |
|
|
zi = a(7,atom1)*d(1) + a(8,atom1)*d(2) + a(9,atom1)*d(3) |
560 |
|
|
|
561 |
|
|
#endif |
562 |
|
|
|
563 |
|
|
xi2 = xi*xi |
564 |
|
|
yi2 = yi*yi |
565 |
|
|
zi2 = zi*zi |
566 |
|
|
|
567 |
|
|
proji = sqrt(xi2 + yi2) |
568 |
|
|
proji3 = proji*proji*proji |
569 |
|
|
|
570 |
|
|
cti = zi / rij |
571 |
|
|
dctidx = - zi * xi / r3 |
572 |
|
|
dctidy = - zi * yi / r3 |
573 |
|
|
dctidz = 1.0d0 / rij - zi2 / r3 |
574 |
|
|
dctidux = yi / rij |
575 |
|
|
dctiduy = -xi / rij |
576 |
|
|
dctiduz = 0.0d0 |
577 |
|
|
|
578 |
|
|
cpi = xi / proji |
579 |
|
|
dcpidx = 1.0d0 / proji - xi2 / proji3 |
580 |
|
|
dcpidy = - xi * yi / proji3 |
581 |
|
|
dcpidz = 0.0d0 |
582 |
|
|
dcpidux = xi * yi * zi / proji3 |
583 |
|
|
dcpiduy = -zi * (1.0d0 / proji - xi2 / proji3) |
584 |
|
|
dcpiduz = -yi * (1.0d0 / proji - xi2 / proji3) - (xi2 * yi / proji3) |
585 |
|
|
|
586 |
|
|
spi = yi / proji |
587 |
|
|
dspidx = - xi * yi / proji3 |
588 |
|
|
dspidy = 1.0d0 / proji - yi2 / proji3 |
589 |
|
|
dspidz = 0.0d0 |
590 |
|
|
dspidux = -zi * (1.0d0 / proji - yi2 / proji3) |
591 |
|
|
dspiduy = xi * yi * zi / proji3 |
592 |
|
|
dspiduz = xi * (1.0d0 / proji - yi2 / proji3) + (xi * yi2 / proji3) |
593 |
|
|
|
594 |
|
|
call Associated_Legendre(cti, ShapeMap%Shapes(st1)%bigL, & |
595 |
|
|
ShapeMap%Shapes(st1)%bigM, lmax, plm_i, dlm_i) |
596 |
|
|
|
597 |
|
|
call Orthogonal_Polynomial(cpi, ShapeMap%Shapes(st1)%bigM, & |
598 |
|
|
CHEBYSHEV_TN, tm_i, dtm_i) |
599 |
|
|
call Orthogonal_Polynomial(cpi, ShapeMap%Shapes(st1)%bigM, & |
600 |
|
|
CHEBYSHEV_UN, um_i, dum_i) |
601 |
|
|
|
602 |
|
|
sigma_i = 0.0d0 |
603 |
|
|
s_i = 0.0d0 |
604 |
|
|
eps_i = 0.0d0 |
605 |
|
|
dsigmaidx = 0.0d0 |
606 |
|
|
dsigmaidy = 0.0d0 |
607 |
|
|
dsigmaidz = 0.0d0 |
608 |
|
|
dsigmaidux = 0.0d0 |
609 |
|
|
dsigmaiduy = 0.0d0 |
610 |
|
|
dsigmaiduz = 0.0d0 |
611 |
|
|
dsidx = 0.0d0 |
612 |
|
|
dsidy = 0.0d0 |
613 |
|
|
dsidz = 0.0d0 |
614 |
|
|
dsidux = 0.0d0 |
615 |
|
|
dsiduy = 0.0d0 |
616 |
|
|
dsiduz = 0.0d0 |
617 |
|
|
depsidx = 0.0d0 |
618 |
|
|
depsidy = 0.0d0 |
619 |
|
|
depsidz = 0.0d0 |
620 |
|
|
depsidux = 0.0d0 |
621 |
|
|
depsiduy = 0.0d0 |
622 |
|
|
depsiduz = 0.0d0 |
623 |
|
|
|
624 |
|
|
do lm = 1, ShapeMap%Shapes(st1)%nContactFuncs |
625 |
|
|
l = ShapeMap%Shapes(st1)%ContactFuncLValue(lm) |
626 |
|
|
m = ShapeMap%Shapes(st1)%ContactFuncMValue(lm) |
627 |
|
|
coeff = ShapeMap%Shapes(st1)%ContactFuncCoefficient(lm) |
628 |
|
|
function_type = ShapeMap%Shapes(st1)%ContactFunctionType(lm) |
629 |
|
|
|
630 |
|
|
if ((function_type .eq. SH_COS).or.(m.eq.0)) then |
631 |
|
|
Phunc = coeff * tm_i(m) |
632 |
|
|
dPhuncdX = coeff * dtm_i(m) * dcpidx |
633 |
|
|
dPhuncdY = coeff * dtm_i(m) * dcpidy |
634 |
|
|
dPhuncdZ = coeff * dtm_i(m) * dcpidz |
635 |
|
|
dPhuncdUz = coeff * dtm_i(m) * dcpidux |
636 |
|
|
dPhuncdUy = coeff * dtm_i(m) * dcpiduy |
637 |
|
|
dPhuncdUz = coeff * dtm_i(m) * dcpiduz |
638 |
|
|
else |
639 |
|
|
Phunc = coeff * spi * um_i(m-1) |
640 |
|
|
dPhuncdX = coeff * (spi * dum_i(m-1) * dcpidx + dspidx *um_i(m-1)) |
641 |
|
|
dPhuncdY = coeff * (spi * dum_i(m-1) * dcpidy + dspidy *um_i(m-1)) |
642 |
|
|
dPhuncdZ = coeff * (spi * dum_i(m-1) * dcpidz + dspidz *um_i(m-1)) |
643 |
|
|
dPhuncdUx = coeff*(spi * dum_i(m-1)*dcpidux + dspidux *um_i(m-1)) |
644 |
|
|
dPhuncdUy = coeff*(spi * dum_i(m-1)*dcpiduy + dspiduy *um_i(m-1)) |
645 |
|
|
dPhuncdUz = coeff*(spi * dum_i(m-1)*dcpiduz + dspiduz *um_i(m-1)) |
646 |
|
|
endif |
647 |
|
|
|
648 |
|
|
sigma_i = sigma_i + plm_i(l,m)*Phunc |
649 |
|
|
|
650 |
|
|
dsigmaidx = dsigmaidx + plm_i(l,m)*dPhuncdX + & |
651 |
|
|
Phunc * dlm_i(l,m) * dctidx |
652 |
|
|
dsigmaidy = dsigmaidy + plm_i(l,m)*dPhuncdY + & |
653 |
|
|
Phunc * dlm_i(l,m) * dctidy |
654 |
|
|
dsigmaidz = dsigmaidz + plm_i(l,m)*dPhuncdZ + & |
655 |
|
|
Phunc * dlm_i(l,m) * dctidz |
656 |
|
|
|
657 |
|
|
dsigmaidux = dsigmaidux + plm_i(l,m)* dPhuncdUx + & |
658 |
|
|
Phunc * dlm_i(l,m) * dctidux |
659 |
|
|
dsigmaiduy = dsigmaiduy + plm_i(l,m)* dPhuncdUy + & |
660 |
|
|
Phunc * dlm_i(l,m) * dctiduy |
661 |
|
|
dsigmaiduz = dsigmaiduz + plm_i(l,m)* dPhuncdUz + & |
662 |
|
|
Phunc * dlm_i(l,m) * dctiduz |
663 |
|
|
|
664 |
|
|
end do |
665 |
|
|
|
666 |
|
|
do lm = 1, ShapeMap%Shapes(st1)%nRangeFuncs |
667 |
|
|
l = ShapeMap%Shapes(st1)%RangeFuncLValue(lm) |
668 |
|
|
m = ShapeMap%Shapes(st1)%RangeFuncMValue(lm) |
669 |
|
|
coeff = ShapeMap%Shapes(st1)%RangeFuncCoefficient(lm) |
670 |
|
|
function_type = ShapeMap%Shapes(st1)%RangeFunctionType(lm) |
671 |
|
|
|
672 |
|
|
if ((function_type .eq. SH_COS).or.(m.eq.0)) then |
673 |
|
|
Phunc = coeff * tm_i(m) |
674 |
|
|
dPhuncdX = coeff * dtm_i(m) * dcpidx |
675 |
|
|
dPhuncdY = coeff * dtm_i(m) * dcpidy |
676 |
|
|
dPhuncdZ = coeff * dtm_i(m) * dcpidz |
677 |
|
|
dPhuncdUz = coeff * dtm_i(m) * dcpidux |
678 |
|
|
dPhuncdUy = coeff * dtm_i(m) * dcpiduy |
679 |
|
|
dPhuncdUz = coeff * dtm_i(m) * dcpiduz |
680 |
|
|
else |
681 |
|
|
Phunc = coeff * spi * um_i(m-1) |
682 |
|
|
dPhuncdX = coeff * (spi * dum_i(m-1) * dcpidx + dspidx *um_i(m-1)) |
683 |
|
|
dPhuncdY = coeff * (spi * dum_i(m-1) * dcpidy + dspidy *um_i(m-1)) |
684 |
|
|
dPhuncdZ = coeff * (spi * dum_i(m-1) * dcpidz + dspidz *um_i(m-1)) |
685 |
|
|
dPhuncdUx = coeff*(spi * dum_i(m-1)*dcpidux + dspidux *um_i(m-1)) |
686 |
|
|
dPhuncdUy = coeff*(spi * dum_i(m-1)*dcpiduy + dspiduy *um_i(m-1)) |
687 |
|
|
dPhuncdUz = coeff*(spi * dum_i(m-1)*dcpiduz + dspiduz *um_i(m-1)) |
688 |
|
|
endif |
689 |
|
|
|
690 |
|
|
s_i = s_i + plm_i(l,m)*Phunc |
691 |
|
|
|
692 |
|
|
dsidx = dsidx + plm_i(l,m)*dPhuncdX + & |
693 |
|
|
Phunc * dlm_i(l,m) * dctidx |
694 |
|
|
dsidy = dsidy + plm_i(l,m)*dPhuncdY + & |
695 |
|
|
Phunc * dlm_i(l,m) * dctidy |
696 |
|
|
dsidz = dsidz + plm_i(l,m)*dPhuncdZ + & |
697 |
|
|
Phunc * dlm_i(l,m) * dctidz |
698 |
|
|
|
699 |
|
|
dsidux = dsidux + plm_i(l,m)* dPhuncdUx + & |
700 |
|
|
Phunc * dlm_i(l,m) * dctidux |
701 |
|
|
dsiduy = dsiduy + plm_i(l,m)* dPhuncdUy + & |
702 |
|
|
Phunc * dlm_i(l,m) * dctiduy |
703 |
|
|
dsiduz = dsiduz + plm_i(l,m)* dPhuncdUz + & |
704 |
|
|
Phunc * dlm_i(l,m) * dctiduz |
705 |
|
|
|
706 |
|
|
end do |
707 |
|
|
|
708 |
|
|
do lm = 1, ShapeMap%Shapes(st1)%nStrengthFuncs |
709 |
|
|
l = ShapeMap%Shapes(st1)%StrengthFuncLValue(lm) |
710 |
|
|
m = ShapeMap%Shapes(st1)%StrengthFuncMValue(lm) |
711 |
|
|
coeff = ShapeMap%Shapes(st1)%StrengthFuncCoefficient(lm) |
712 |
|
|
function_type = ShapeMap%Shapes(st1)%StrengthFunctionType(lm) |
713 |
|
|
|
714 |
|
|
if ((function_type .eq. SH_COS).or.(m.eq.0)) then |
715 |
|
|
Phunc = coeff * tm_i(m) |
716 |
|
|
dPhuncdX = coeff * dtm_i(m) * dcpidx |
717 |
|
|
dPhuncdY = coeff * dtm_i(m) * dcpidy |
718 |
|
|
dPhuncdZ = coeff * dtm_i(m) * dcpidz |
719 |
|
|
dPhuncdUz = coeff * dtm_i(m) * dcpidux |
720 |
|
|
dPhuncdUy = coeff * dtm_i(m) * dcpiduy |
721 |
|
|
dPhuncdUz = coeff * dtm_i(m) * dcpiduz |
722 |
|
|
else |
723 |
|
|
Phunc = coeff * spi * um_i(m-1) |
724 |
|
|
dPhuncdX = coeff * (spi * dum_i(m-1) * dcpidx + dspidx *um_i(m-1)) |
725 |
|
|
dPhuncdY = coeff * (spi * dum_i(m-1) * dcpidy + dspidy *um_i(m-1)) |
726 |
|
|
dPhuncdZ = coeff * (spi * dum_i(m-1) * dcpidz + dspidz *um_i(m-1)) |
727 |
|
|
dPhuncdUx = coeff*(spi * dum_i(m-1)*dcpidux + dspidux *um_i(m-1)) |
728 |
|
|
dPhuncdUy = coeff*(spi * dum_i(m-1)*dcpiduy + dspiduy *um_i(m-1)) |
729 |
|
|
dPhuncdUz = coeff*(spi * dum_i(m-1)*dcpiduz + dspiduz *um_i(m-1)) |
730 |
|
|
endif |
731 |
|
|
|
732 |
|
|
eps_i = eps_i + plm_i(l,m)*Phunc |
733 |
|
|
|
734 |
|
|
depsidx = depsidx + plm_i(l,m)*dPhuncdX + & |
735 |
|
|
Phunc * dlm_i(l,m) * dctidx |
736 |
|
|
depsidy = depsidy + plm_i(l,m)*dPhuncdY + & |
737 |
|
|
Phunc * dlm_i(l,m) * dctidy |
738 |
|
|
depsidz = depsidz + plm_i(l,m)*dPhuncdZ + & |
739 |
|
|
Phunc * dlm_i(l,m) * dctidz |
740 |
|
|
|
741 |
|
|
depsidux = depsidux + plm_i(l,m)* dPhuncdUx + & |
742 |
|
|
Phunc * dlm_i(l,m) * dctidux |
743 |
|
|
depsiduy = depsiduy + plm_i(l,m)* dPhuncdUy + & |
744 |
|
|
Phunc * dlm_i(l,m) * dctiduy |
745 |
|
|
depsiduz = depsiduz + plm_i(l,m)* dPhuncdUz + & |
746 |
|
|
Phunc * dlm_i(l,m) * dctiduz |
747 |
|
|
|
748 |
|
|
end do |
749 |
|
|
|
750 |
|
|
endif |
751 |
|
|
|
752 |
|
|
! now do j: |
753 |
|
|
|
754 |
|
|
if (ShapeMap%Shapes(st2)%isLJ) then |
755 |
|
|
sigma_j = ShapeMap%Shapes(st2)%sigma |
756 |
|
|
s_j = ShapeMap%Shapes(st2)%sigma |
757 |
|
|
eps_j = ShapeMap%Shapes(st2)%epsilon |
758 |
|
|
dsigmajdx = 0.0d0 |
759 |
|
|
dsigmajdy = 0.0d0 |
760 |
|
|
dsigmajdz = 0.0d0 |
761 |
|
|
dsigmajdux = 0.0d0 |
762 |
|
|
dsigmajduy = 0.0d0 |
763 |
|
|
dsigmajduz = 0.0d0 |
764 |
|
|
dsjdx = 0.0d0 |
765 |
|
|
dsjdy = 0.0d0 |
766 |
|
|
dsjdz = 0.0d0 |
767 |
|
|
dsjdux = 0.0d0 |
768 |
|
|
dsjduy = 0.0d0 |
769 |
|
|
dsjduz = 0.0d0 |
770 |
|
|
depsjdx = 0.0d0 |
771 |
|
|
depsjdy = 0.0d0 |
772 |
|
|
depsjdz = 0.0d0 |
773 |
|
|
depsjdux = 0.0d0 |
774 |
|
|
depsjduy = 0.0d0 |
775 |
|
|
depsjduz = 0.0d0 |
776 |
|
|
else |
777 |
|
|
|
778 |
|
|
#ifdef IS_MPI |
779 |
|
|
! rotate the inter-particle separation into the two different |
780 |
|
|
! body-fixed coordinate systems: |
781 |
|
|
! negative sign because this is the vector from j to i: |
782 |
|
|
|
783 |
|
|
xj = -(A_Col(1,atom2)*d(1) + A_Col(2,atom2)*d(2) + A_Col(3,atom2)*d(3)) |
784 |
|
|
yj = -(A_Col(4,atom2)*d(1) + A_Col(5,atom2)*d(2) + A_Col(6,atom2)*d(3)) |
785 |
|
|
zj = -(A_Col(7,atom2)*d(1) + A_Col(8,atom2)*d(2) + A_Col(9,atom2)*d(3)) |
786 |
|
|
#else |
787 |
|
|
! rotate the inter-particle separation into the two different |
788 |
|
|
! body-fixed coordinate systems: |
789 |
|
|
! negative sign because this is the vector from j to i: |
790 |
|
|
|
791 |
|
|
xj = -(a(1,atom2)*d(1) + a(2,atom2)*d(2) + a(3,atom2)*d(3)) |
792 |
|
|
yj = -(a(4,atom2)*d(1) + a(5,atom2)*d(2) + a(6,atom2)*d(3)) |
793 |
|
|
zj = -(a(7,atom2)*d(1) + a(8,atom2)*d(2) + a(9,atom2)*d(3)) |
794 |
|
|
#endif |
795 |
|
|
|
796 |
|
|
xj2 = xj*xj |
797 |
|
|
yj2 = yj*yj |
798 |
|
|
zj2 = zj*zj |
799 |
|
|
|
800 |
|
|
projj = sqrt(xj2 + yj2) |
801 |
|
|
projj3 = projj*projj*projj |
802 |
|
|
|
803 |
|
|
ctj = zj / rij |
804 |
|
|
dctjdx = - zj * xj / r3 |
805 |
|
|
dctjdy = - zj * yj / r3 |
806 |
|
|
dctjdz = 1.0d0 / rij - zj2 / r3 |
807 |
|
|
dctjdux = yj / rij |
808 |
|
|
dctjduy = -xj / rij |
809 |
|
|
dctjduz = 0.0d0 |
810 |
|
|
|
811 |
|
|
cpj = xj / projj |
812 |
|
|
dcpjdx = 1.0d0 / projj - xj2 / projj3 |
813 |
|
|
dcpjdy = - xj * yj / projj3 |
814 |
|
|
dcpjdz = 0.0d0 |
815 |
|
|
dcpjdux = xj * yj * zj / projj3 |
816 |
|
|
dcpjduy = -zj * (1.0d0 / projj - xj2 / projj3) |
817 |
|
|
dcpjduz = -yj * (1.0d0 / projj - xj2 / projj3) - (xj2 * yj / projj3) |
818 |
|
|
|
819 |
|
|
spj = yj / projj |
820 |
|
|
dspjdx = - xj * yj / projj3 |
821 |
|
|
dspjdy = 1.0d0 / projj - yj2 / projj3 |
822 |
|
|
dspjdz = 0.0d0 |
823 |
|
|
dspjdux = -zj * (1.0d0 / projj - yj2 / projj3) |
824 |
|
|
dspjduy = xj * yj * zj / projj3 |
825 |
|
|
dspjduz = xj * (1.0d0 / projj - yi2 / projj3) + (xj * yj2 / projj3) |
826 |
|
|
|
827 |
|
|
call Associated_Legendre(ctj, ShapeMap%Shapes(st2)%bigL, & |
828 |
|
|
ShapeMap%Shapes(st2)%bigM, lmax, plm_j, dlm_j) |
829 |
|
|
|
830 |
|
|
call Orthogonal_Polynomial(cpj, ShapeMap%Shapes(st2)%bigM, & |
831 |
|
|
CHEBYSHEV_TN, tm_j, dtm_j) |
832 |
|
|
call Orthogonal_Polynomial(cpj, ShapeMap%Shapes(st2)%bigM, & |
833 |
|
|
CHEBYSHEV_UN, um_j, dum_j) |
834 |
|
|
|
835 |
|
|
sigma_j = 0.0d0 |
836 |
|
|
s_j = 0.0d0 |
837 |
|
|
eps_j = 0.0d0 |
838 |
|
|
dsigmajdx = 0.0d0 |
839 |
|
|
dsigmajdy = 0.0d0 |
840 |
|
|
dsigmajdz = 0.0d0 |
841 |
|
|
dsigmajdux = 0.0d0 |
842 |
|
|
dsigmajduy = 0.0d0 |
843 |
|
|
dsigmajduz = 0.0d0 |
844 |
|
|
dsjdx = 0.0d0 |
845 |
|
|
dsjdy = 0.0d0 |
846 |
|
|
dsjdz = 0.0d0 |
847 |
|
|
dsjdux = 0.0d0 |
848 |
|
|
dsjduy = 0.0d0 |
849 |
|
|
dsjduz = 0.0d0 |
850 |
|
|
depsjdx = 0.0d0 |
851 |
|
|
depsjdy = 0.0d0 |
852 |
|
|
depsjdz = 0.0d0 |
853 |
|
|
depsjdux = 0.0d0 |
854 |
|
|
depsjduy = 0.0d0 |
855 |
|
|
depsjduz = 0.0d0 |
856 |
|
|
|
857 |
|
|
do lm = 1, ShapeMap%Shapes(st2)%nContactFuncs |
858 |
|
|
l = ShapeMap%Shapes(st2)%ContactFuncLValue(lm) |
859 |
|
|
m = ShapeMap%Shapes(st2)%ContactFuncMValue(lm) |
860 |
|
|
coeff = ShapeMap%Shapes(st2)%ContactFuncCoefficient(lm) |
861 |
|
|
function_type = ShapeMap%Shapes(st2)%ContactFunctionType(lm) |
862 |
|
|
|
863 |
|
|
if ((function_type .eq. SH_COS).or.(m.eq.0)) then |
864 |
|
|
Phunc = coeff * tm_j(m) |
865 |
|
|
dPhuncdX = coeff * dtm_j(m) * dcpjdx |
866 |
|
|
dPhuncdY = coeff * dtm_j(m) * dcpjdy |
867 |
|
|
dPhuncdZ = coeff * dtm_j(m) * dcpjdz |
868 |
|
|
dPhuncdUz = coeff * dtm_j(m) * dcpjdux |
869 |
|
|
dPhuncdUy = coeff * dtm_j(m) * dcpjduy |
870 |
|
|
dPhuncdUz = coeff * dtm_j(m) * dcpjduz |
871 |
|
|
else |
872 |
|
|
Phunc = coeff * spj * um_j(m-1) |
873 |
|
|
dPhuncdX = coeff * (spj * dum_j(m-1) * dcpjdx + dspjdx *um_j(m-1)) |
874 |
|
|
dPhuncdY = coeff * (spj * dum_j(m-1) * dcpjdy + dspjdy *um_j(m-1)) |
875 |
|
|
dPhuncdZ = coeff * (spj * dum_j(m-1) * dcpjdz + dspjdz *um_j(m-1)) |
876 |
|
|
dPhuncdUx = coeff*(spj * dum_j(m-1)*dcpjdux + dspjdux *um_j(m-1)) |
877 |
|
|
dPhuncdUy = coeff*(spj * dum_j(m-1)*dcpjduy + dspjduy *um_j(m-1)) |
878 |
|
|
dPhuncdUz = coeff*(spj * dum_j(m-1)*dcpjduz + dspjduz *um_j(m-1)) |
879 |
|
|
endif |
880 |
|
|
|
881 |
|
|
sigma_j = sigma_j + plm_j(l,m)*Phunc |
882 |
|
|
|
883 |
|
|
dsigmajdx = dsigmajdx + plm_j(l,m)*dPhuncdX + & |
884 |
|
|
Phunc * dlm_j(l,m) * dctjdx |
885 |
|
|
dsigmajdy = dsigmajdy + plm_j(l,m)*dPhuncdY + & |
886 |
|
|
Phunc * dlm_j(l,m) * dctjdy |
887 |
|
|
dsigmajdz = dsigmajdz + plm_j(l,m)*dPhuncdZ + & |
888 |
|
|
Phunc * dlm_j(l,m) * dctjdz |
889 |
|
|
|
890 |
|
|
dsigmajdux = dsigmajdux + plm_j(l,m)* dPhuncdUx + & |
891 |
|
|
Phunc * dlm_j(l,m) * dctjdux |
892 |
|
|
dsigmajduy = dsigmajduy + plm_j(l,m)* dPhuncdUy + & |
893 |
|
|
Phunc * dlm_j(l,m) * dctjduy |
894 |
|
|
dsigmajduz = dsigmajduz + plm_j(l,m)* dPhuncdUz + & |
895 |
|
|
Phunc * dlm_j(l,m) * dctjduz |
896 |
|
|
|
897 |
|
|
end do |
898 |
|
|
|
899 |
|
|
do lm = 1, ShapeMap%Shapes(st2)%nRangeFuncs |
900 |
|
|
l = ShapeMap%Shapes(st2)%RangeFuncLValue(lm) |
901 |
|
|
m = ShapeMap%Shapes(st2)%RangeFuncMValue(lm) |
902 |
|
|
coeff = ShapeMap%Shapes(st2)%RangeFuncCoefficient(lm) |
903 |
|
|
function_type = ShapeMap%Shapes(st2)%RangeFunctionType(lm) |
904 |
|
|
|
905 |
|
|
if ((function_type .eq. SH_COS).or.(m.eq.0)) then |
906 |
|
|
Phunc = coeff * tm_j(m) |
907 |
|
|
dPhuncdX = coeff * dtm_j(m) * dcpjdx |
908 |
|
|
dPhuncdY = coeff * dtm_j(m) * dcpjdy |
909 |
|
|
dPhuncdZ = coeff * dtm_j(m) * dcpjdz |
910 |
|
|
dPhuncdUz = coeff * dtm_j(m) * dcpjdux |
911 |
|
|
dPhuncdUy = coeff * dtm_j(m) * dcpjduy |
912 |
|
|
dPhuncdUz = coeff * dtm_j(m) * dcpjduz |
913 |
|
|
else |
914 |
|
|
Phunc = coeff * spj * um_j(m-1) |
915 |
|
|
dPhuncdX = coeff * (spj * dum_j(m-1) * dcpjdx + dspjdx *um_j(m-1)) |
916 |
|
|
dPhuncdY = coeff * (spj * dum_j(m-1) * dcpjdy + dspjdy *um_j(m-1)) |
917 |
|
|
dPhuncdZ = coeff * (spj * dum_j(m-1) * dcpjdz + dspjdz *um_j(m-1)) |
918 |
|
|
dPhuncdUx = coeff*(spj * dum_j(m-1)*dcpjdux + dspjdux *um_j(m-1)) |
919 |
|
|
dPhuncdUy = coeff*(spj * dum_j(m-1)*dcpjduy + dspjduy *um_j(m-1)) |
920 |
|
|
dPhuncdUz = coeff*(spj * dum_j(m-1)*dcpjduz + dspjduz *um_j(m-1)) |
921 |
|
|
endif |
922 |
|
|
|
923 |
|
|
s_j = s_j + plm_j(l,m)*Phunc |
924 |
|
|
|
925 |
|
|
dsjdx = dsjdx + plm_j(l,m)*dPhuncdX + & |
926 |
|
|
Phunc * dlm_j(l,m) * dctjdx |
927 |
|
|
dsjdy = dsjdy + plm_j(l,m)*dPhuncdY + & |
928 |
|
|
Phunc * dlm_j(l,m) * dctjdy |
929 |
|
|
dsjdz = dsjdz + plm_j(l,m)*dPhuncdZ + & |
930 |
|
|
Phunc * dlm_j(l,m) * dctjdz |
931 |
|
|
|
932 |
|
|
dsjdux = dsjdux + plm_j(l,m)* dPhuncdUx + & |
933 |
|
|
Phunc * dlm_j(l,m) * dctjdux |
934 |
|
|
dsjduy = dsjduy + plm_j(l,m)* dPhuncdUy + & |
935 |
|
|
Phunc * dlm_j(l,m) * dctjduy |
936 |
|
|
dsjduz = dsjduz + plm_j(l,m)* dPhuncdUz + & |
937 |
|
|
Phunc * dlm_j(l,m) * dctjduz |
938 |
|
|
|
939 |
|
|
end do |
940 |
|
|
|
941 |
|
|
do lm = 1, ShapeMap%Shapes(st2)%nStrengthFuncs |
942 |
|
|
l = ShapeMap%Shapes(st2)%StrengthFuncLValue(lm) |
943 |
|
|
m = ShapeMap%Shapes(st2)%StrengthFuncMValue(lm) |
944 |
|
|
coeff = ShapeMap%Shapes(st2)%StrengthFuncCoefficient(lm) |
945 |
|
|
function_type = ShapeMap%Shapes(st2)%StrengthFunctionType(lm) |
946 |
|
|
|
947 |
|
|
if ((function_type .eq. SH_COS).or.(m.eq.0)) then |
948 |
|
|
Phunc = coeff * tm_j(m) |
949 |
|
|
dPhuncdX = coeff * dtm_j(m) * dcpjdx |
950 |
|
|
dPhuncdY = coeff * dtm_j(m) * dcpjdy |
951 |
|
|
dPhuncdZ = coeff * dtm_j(m) * dcpjdz |
952 |
|
|
dPhuncdUz = coeff * dtm_j(m) * dcpjdux |
953 |
|
|
dPhuncdUy = coeff * dtm_j(m) * dcpjduy |
954 |
|
|
dPhuncdUz = coeff * dtm_j(m) * dcpjduz |
955 |
|
|
else |
956 |
|
|
Phunc = coeff * spj * um_j(m-1) |
957 |
|
|
dPhuncdX = coeff * (spj * dum_j(m-1) * dcpjdx + dspjdx *um_j(m-1)) |
958 |
|
|
dPhuncdY = coeff * (spj * dum_j(m-1) * dcpjdy + dspjdy *um_j(m-1)) |
959 |
|
|
dPhuncdZ = coeff * (spj * dum_j(m-1) * dcpjdz + dspjdz *um_j(m-1)) |
960 |
|
|
dPhuncdUx = coeff*(spj * dum_j(m-1)*dcpjdux + dspjdux *um_j(m-1)) |
961 |
|
|
dPhuncdUy = coeff*(spj * dum_j(m-1)*dcpjduy + dspjduy *um_j(m-1)) |
962 |
|
|
dPhuncdUz = coeff*(spj * dum_j(m-1)*dcpjduz + dspjduz *um_j(m-1)) |
963 |
|
|
endif |
964 |
|
|
|
965 |
|
|
eps_j = eps_j + plm_j(l,m)*Phunc |
966 |
|
|
|
967 |
|
|
depsjdx = depsjdx + plm_j(l,m)*dPhuncdX + & |
968 |
|
|
Phunc * dlm_j(l,m) * dctjdx |
969 |
|
|
depsjdy = depsjdy + plm_j(l,m)*dPhuncdY + & |
970 |
|
|
Phunc * dlm_j(l,m) * dctjdy |
971 |
|
|
depsjdz = depsjdz + plm_j(l,m)*dPhuncdZ + & |
972 |
|
|
Phunc * dlm_j(l,m) * dctjdz |
973 |
|
|
|
974 |
|
|
depsjdux = depsjdux + plm_j(l,m)* dPhuncdUx + & |
975 |
|
|
Phunc * dlm_j(l,m) * dctjdux |
976 |
|
|
depsjduy = depsjduy + plm_j(l,m)* dPhuncdUy + & |
977 |
|
|
Phunc * dlm_j(l,m) * dctjduy |
978 |
|
|
depsjduz = depsjduz + plm_j(l,m)* dPhuncdUz + & |
979 |
|
|
Phunc * dlm_j(l,m) * dctjduz |
980 |
|
|
|
981 |
|
|
end do |
982 |
|
|
|
983 |
|
|
endif |
984 |
|
|
|
985 |
|
|
! phew, now let's assemble the potential energy: |
986 |
|
|
|
987 |
|
|
sigma = 0.5*(sigma_i + sigma_j) |
988 |
|
|
|
989 |
|
|
dsigmadxi = 0.5*dsigmaidx |
990 |
|
|
dsigmadyi = 0.5*dsigmaidy |
991 |
|
|
dsigmadzi = 0.5*dsigmaidz |
992 |
|
|
dsigmaduxi = 0.5*dsigmaidux |
993 |
|
|
dsigmaduyi = 0.5*dsigmaiduy |
994 |
|
|
dsigmaduzi = 0.5*dsigmaiduz |
995 |
|
|
|
996 |
|
|
dsigmadxj = 0.5*dsigmajdx |
997 |
|
|
dsigmadyj = 0.5*dsigmajdy |
998 |
|
|
dsigmadzj = 0.5*dsigmajdz |
999 |
|
|
dsigmaduxj = 0.5*dsigmajdux |
1000 |
|
|
dsigmaduyj = 0.5*dsigmajduy |
1001 |
|
|
dsigmaduzj = 0.5*dsigmajduz |
1002 |
|
|
|
1003 |
|
|
s = 0.5*(s_i + s_j) |
1004 |
|
|
|
1005 |
|
|
dsdxi = 0.5*dsidx |
1006 |
|
|
dsdyi = 0.5*dsidy |
1007 |
|
|
dsdzi = 0.5*dsidz |
1008 |
|
|
dsduxi = 0.5*dsidux |
1009 |
|
|
dsduyi = 0.5*dsiduy |
1010 |
|
|
dsduzi = 0.5*dsiduz |
1011 |
|
|
|
1012 |
|
|
dsdxj = 0.5*dsjdx |
1013 |
|
|
dsdyj = 0.5*dsjdy |
1014 |
|
|
dsdzj = 0.5*dsjdz |
1015 |
|
|
dsduxj = 0.5*dsjdux |
1016 |
|
|
dsduyj = 0.5*dsjduy |
1017 |
|
|
dsduzj = 0.5*dsjduz |
1018 |
|
|
|
1019 |
|
|
eps = sqrt(eps_i * eps_j) |
1020 |
|
|
|
1021 |
|
|
depsdxi = eps_j * depsidx / (2.0d0 * eps) |
1022 |
|
|
depsdyi = eps_j * depsidy / (2.0d0 * eps) |
1023 |
|
|
depsdzi = eps_j * depsidz / (2.0d0 * eps) |
1024 |
|
|
depsduxi = eps_j * depsidux / (2.0d0 * eps) |
1025 |
|
|
depsduyi = eps_j * depsiduy / (2.0d0 * eps) |
1026 |
|
|
depsduzi = eps_j * depsiduz / (2.0d0 * eps) |
1027 |
|
|
|
1028 |
|
|
depsdxj = eps_i * depsjdx / (2.0d0 * eps) |
1029 |
|
|
depsdyj = eps_i * depsjdy / (2.0d0 * eps) |
1030 |
|
|
depsdzj = eps_i * depsjdz / (2.0d0 * eps) |
1031 |
|
|
depsduxj = eps_i * depsjdux / (2.0d0 * eps) |
1032 |
|
|
depsduyj = eps_i * depsjduy / (2.0d0 * eps) |
1033 |
|
|
depsduzj = eps_i * depsjduz / (2.0d0 * eps) |
1034 |
|
|
|
1035 |
|
|
rtdenom = rij-sigma+s |
1036 |
|
|
rt = s / rtdenom |
1037 |
|
|
|
1038 |
|
|
drtdxi = (dsdxi + rt * (drdxi - dsigmadxi + dsdxi)) / rtdenom |
1039 |
|
|
drtdyi = (dsdyi + rt * (drdyi - dsigmadyi + dsdyi)) / rtdenom |
1040 |
|
|
drtdzi = (dsdzi + rt * (drdzi - dsigmadzi + dsdzi)) / rtdenom |
1041 |
|
|
drtduxi = (dsduxi + rt * (drduxi - dsigmaduxi + dsduxi)) / rtdenom |
1042 |
|
|
drtduyi = (dsduyi + rt * (drduyi - dsigmaduyi + dsduyi)) / rtdenom |
1043 |
|
|
drtduzi = (dsduzi + rt * (drduzi - dsigmaduzi + dsduzi)) / rtdenom |
1044 |
|
|
drtdxj = (dsdxj + rt * (drdxj - dsigmadxj + dsdxj)) / rtdenom |
1045 |
|
|
drtdyj = (dsdyj + rt * (drdyj - dsigmadyj + dsdyj)) / rtdenom |
1046 |
|
|
drtdzj = (dsdzj + rt * (drdzj - dsigmadzj + dsdzj)) / rtdenom |
1047 |
|
|
drtduxj = (dsduxj + rt * (drduxj - dsigmaduxj + dsduxj)) / rtdenom |
1048 |
|
|
drtduyj = (dsduyj + rt * (drduyj - dsigmaduyj + dsduyj)) / rtdenom |
1049 |
|
|
drtduzj = (dsduzj + rt * (drduzj - dsigmaduzj + dsduzj)) / rtdenom |
1050 |
|
|
|
1051 |
|
|
rt2 = rt*rt |
1052 |
|
|
rt3 = rt2*rt |
1053 |
|
|
rt5 = rt2*rt3 |
1054 |
|
|
rt6 = rt3*rt3 |
1055 |
|
|
rt11 = rt5*rt6 |
1056 |
|
|
rt12 = rt6*rt6 |
1057 |
|
|
rt126 = rt12 - rt6 |
1058 |
|
|
|
1059 |
|
|
if (do_pot) then |
1060 |
|
|
#ifdef IS_MPI |
1061 |
|
|
pot_row(atom1) = pot_row(atom1) + 2.0d0*eps*rt126*sw |
1062 |
|
|
pot_col(atom2) = pot_col(atom2) + 2.0d0*eps*rt126*sw |
1063 |
|
|
#else |
1064 |
|
|
pot = pot + 4.0d0*eps*rt126*sw |
1065 |
|
|
#endif |
1066 |
|
|
endif |
1067 |
|
|
|
1068 |
|
|
dvdxi = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtdxi + 4.0d0*depsdxi*rt126 |
1069 |
|
|
dvdyi = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtdyi + 4.0d0*depsdyi*rt126 |
1070 |
|
|
dvdzi = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtdzi + 4.0d0*depsdzi*rt126 |
1071 |
|
|
dvduxi = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtduxi + 4.0d0*depsduxi*rt126 |
1072 |
|
|
dvduyi = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtduyi + 4.0d0*depsduyi*rt126 |
1073 |
|
|
dvduzi = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtduzi + 4.0d0*depsduzi*rt126 |
1074 |
|
|
|
1075 |
|
|
dvdxj = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtdxj + 4.0d0*depsdxj*rt126 |
1076 |
|
|
dvdyj = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtdyj + 4.0d0*depsdyj*rt126 |
1077 |
|
|
dvdzj = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtdzj + 4.0d0*depsdzj*rt126 |
1078 |
|
|
dvduxj = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtduxj + 4.0d0*depsduxj*rt126 |
1079 |
|
|
dvduyj = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtduyj + 4.0d0*depsduyj*rt126 |
1080 |
|
|
dvduzj = 24.0d0*eps*(2.0d0*rt11 - rt5)*drtduzj + 4.0d0*depsduzj*rt126 |
1081 |
|
|
|
1082 |
|
|
! do the torques first since they are easy: |
1083 |
|
|
! remember that these are still in the body fixed axes |
1084 |
|
|
|
1085 |
|
|
txi = dvduxi * sw |
1086 |
|
|
tyi = dvduyi * sw |
1087 |
|
|
tzi = dvduzi * sw |
1088 |
|
|
|
1089 |
|
|
txj = dvduxj * sw |
1090 |
|
|
tyj = dvduyj * sw |
1091 |
|
|
tzj = dvduzj * sw |
1092 |
|
|
|
1093 |
|
|
! go back to lab frame using transpose of rotation matrix: |
1094 |
|
|
|
1095 |
|
|
#ifdef IS_MPI |
1096 |
|
|
t_Row(1,atom1) = t_Row(1,atom1) + a_Row(1,atom1)*txi + & |
1097 |
|
|
a_Row(4,atom1)*tyi + a_Row(7,atom1)*tzi |
1098 |
|
|
t_Row(2,atom1) = t_Row(2,atom1) + a_Row(2,atom1)*txi + & |
1099 |
|
|
a_Row(5,atom1)*tyi + a_Row(8,atom1)*tzi |
1100 |
|
|
t_Row(3,atom1) = t_Row(3,atom1) + a_Row(3,atom1)*txi + & |
1101 |
|
|
a_Row(6,atom1)*tyi + a_Row(9,atom1)*tzi |
1102 |
|
|
|
1103 |
|
|
t_Col(1,atom2) = t_Col(1,atom2) + a_Col(1,atom2)*txj + & |
1104 |
|
|
a_Col(4,atom2)*tyj + a_Col(7,atom2)*tzj |
1105 |
|
|
t_Col(2,atom2) = t_Col(2,atom2) + a_Col(2,atom2)*txj + & |
1106 |
|
|
a_Col(5,atom2)*tyj + a_Col(8,atom2)*tzj |
1107 |
|
|
t_Col(3,atom2) = t_Col(3,atom2) + a_Col(3,atom2)*txj + & |
1108 |
|
|
a_Col(6,atom2)*tyj + a_Col(9,atom2)*tzj |
1109 |
|
|
#else |
1110 |
|
|
t(1,atom1) = t(1,atom1) + a(1,atom1)*txi + a(4,atom1)*tyi + a(7,atom1)*tzi |
1111 |
|
|
t(2,atom1) = t(2,atom1) + a(2,atom1)*txi + a(5,atom1)*tyi + a(8,atom1)*tzi |
1112 |
|
|
t(3,atom1) = t(3,atom1) + a(3,atom1)*txi + a(6,atom1)*tyi + a(9,atom1)*tzi |
1113 |
|
|
|
1114 |
|
|
t(1,atom2) = t(1,atom2) + a(1,atom2)*txj + a(4,atom2)*tyj + a(7,atom2)*tzj |
1115 |
|
|
t(2,atom2) = t(2,atom2) + a(2,atom2)*txj + a(5,atom2)*tyj + a(8,atom2)*tzj |
1116 |
|
|
t(3,atom2) = t(3,atom2) + a(3,atom2)*txj + a(6,atom2)*tyj + a(9,atom2)*tzj |
1117 |
|
|
#endif |
1118 |
|
|
! Now, on to the forces: |
1119 |
|
|
|
1120 |
|
|
! first rotate the i terms back into the lab frame: |
1121 |
|
|
|
1122 |
|
|
fxi = dvdxi * sw |
1123 |
|
|
fyi = dvdyi * sw |
1124 |
|
|
fzi = dvdzi * sw |
1125 |
|
|
|
1126 |
|
|
fxj = dvdxj * sw |
1127 |
|
|
fyj = dvdyj * sw |
1128 |
|
|
fzj = dvdzj * sw |
1129 |
|
|
|
1130 |
|
|
#ifdef IS_MPI |
1131 |
|
|
fxii = a_Row(1,atom1)*fxi + a_Row(4,atom1)*fyi + a_Row(7,atom1)*fzi |
1132 |
|
|
fyii = a_Row(2,atom1)*fxi + a_Row(5,atom1)*fyi + a_Row(8,atom1)*fzi |
1133 |
|
|
fzii = a_Row(3,atom1)*fxi + a_Row(6,atom1)*fyi + a_Row(9,atom1)*fzi |
1134 |
|
|
|
1135 |
|
|
fxjj = a_Col(1,atom2)*fxj + a_Col(4,atom2)*fyj + a_Col(7,atom2)*fzj |
1136 |
|
|
fyjj = a_Col(2,atom2)*fxj + a_Col(5,atom2)*fyj + a_Col(8,atom2)*fzj |
1137 |
|
|
fzjj = a_Col(3,atom2)*fxj + a_Col(6,atom2)*fyj + a_Col(9,atom2)*fzj |
1138 |
|
|
#else |
1139 |
|
|
fxii = a(1,atom1)*fxi + a(4,atom1)*fyi + a(7,atom1)*fzi |
1140 |
|
|
fyii = a(2,atom1)*fxi + a(5,atom1)*fyi + a(8,atom1)*fzi |
1141 |
|
|
fzii = a(3,atom1)*fxi + a(6,atom1)*fyi + a(9,atom1)*fzi |
1142 |
|
|
|
1143 |
|
|
fxjj = a(1,atom2)*fxj + a(4,atom2)*fyj + a(7,atom2)*fzj |
1144 |
|
|
fyjj = a(2,atom2)*fxj + a(5,atom2)*fyj + a(8,atom2)*fzj |
1145 |
|
|
fzjj = a(3,atom2)*fxj + a(6,atom2)*fyj + a(9,atom2)*fzj |
1146 |
|
|
#endif |
1147 |
|
|
|
1148 |
|
|
fxij = -fxii |
1149 |
|
|
fyij = -fyii |
1150 |
|
|
fzij = -fzii |
1151 |
|
|
|
1152 |
|
|
fxji = -fxjj |
1153 |
|
|
fyji = -fyjj |
1154 |
|
|
fzji = -fzjj |
1155 |
|
|
|
1156 |
|
|
fxradial = fxii + fxji |
1157 |
|
|
fyradial = fyii + fyji |
1158 |
|
|
fzradial = fzii + fzji |
1159 |
|
|
|
1160 |
|
|
#ifdef IS_MPI |
1161 |
|
|
f_Row(1,atom1) = f_Row(1,atom1) + fxradial |
1162 |
|
|
f_Row(2,atom1) = f_Row(2,atom1) + fyradial |
1163 |
|
|
f_Row(3,atom1) = f_Row(3,atom1) + fzradial |
1164 |
|
|
|
1165 |
|
|
f_Col(1,atom2) = f_Col(1,atom2) - fxradial |
1166 |
|
|
f_Col(2,atom2) = f_Col(2,atom2) - fyradial |
1167 |
|
|
f_Col(3,atom2) = f_Col(3,atom2) - fzradial |
1168 |
|
|
#else |
1169 |
|
|
f(1,atom1) = f(1,atom1) + fxradial |
1170 |
|
|
f(2,atom1) = f(2,atom1) + fyradial |
1171 |
|
|
f(3,atom1) = f(3,atom1) + fzradial |
1172 |
|
|
|
1173 |
|
|
f(1,atom2) = f(1,atom2) - fxradial |
1174 |
|
|
f(2,atom2) = f(2,atom2) - fyradial |
1175 |
|
|
f(3,atom2) = f(3,atom2) - fzradial |
1176 |
|
|
#endif |
1177 |
|
|
|
1178 |
|
|
#ifdef IS_MPI |
1179 |
|
|
id1 = AtomRowToGlobal(atom1) |
1180 |
|
|
id2 = AtomColToGlobal(atom2) |
1181 |
|
|
#else |
1182 |
|
|
id1 = atom1 |
1183 |
|
|
id2 = atom2 |
1184 |
|
|
#endif |
1185 |
|
|
|
1186 |
|
|
if (molMembershipList(id1) .ne. molMembershipList(id2)) then |
1187 |
|
|
|
1188 |
|
|
fpair(1) = fpair(1) + fxradial |
1189 |
|
|
fpair(2) = fpair(2) + fyradial |
1190 |
|
|
fpair(3) = fpair(3) + fzradial |
1191 |
|
|
|
1192 |
|
|
endif |
1193 |
|
|
|
1194 |
|
|
end subroutine do_shape_pair |
1195 |
|
|
|
1196 |
|
|
SUBROUTINE Associated_Legendre(x, l, m, lmax, plm, dlm) |
1197 |
|
|
|
1198 |
|
|
! Purpose: Compute the associated Legendre functions |
1199 |
|
|
! Plm(x) and their derivatives Plm'(x) |
1200 |
|
|
! Input : x --- Argument of Plm(x) |
1201 |
|
|
! l --- Order of Plm(x), l = 0,1,2,...,n |
1202 |
|
|
! m --- Degree of Plm(x), m = 0,1,2,...,N |
1203 |
|
|
! lmax --- Physical dimension of PLM and DLM |
1204 |
|
|
! Output: PLM(l,m) --- Plm(x) |
1205 |
|
|
! DLM(l,m) --- Plm'(x) |
1206 |
|
|
! |
1207 |
|
|
! adapted from the routines in |
1208 |
|
|
! COMPUTATION OF SPECIAL FUNCTIONS by Shanjie Zhang and Jianming Jin |
1209 |
|
|
! ISBN 0-471-11963-6 |
1210 |
|
|
! |
1211 |
|
|
! The original Fortran77 codes can be found here: |
1212 |
|
|
! http://iris-lee3.ece.uiuc.edu/~jjin/routines/routines.html |
1213 |
|
|
|
1214 |
|
|
real (kind=8), intent(in) :: x |
1215 |
|
|
integer, intent(in) :: l, m, lmax |
1216 |
|
|
real (kind=8), dimension(0:lmax,0:m), intent(out) :: PLM, DLM |
1217 |
|
|
integer :: i, j, ls |
1218 |
|
|
real (kind=8) :: xq, xs |
1219 |
|
|
|
1220 |
|
|
! zero out both arrays: |
1221 |
|
|
DO I = 0, m |
1222 |
|
|
DO J = 0, l |
1223 |
|
|
PLM(J,I) = 0.0D0 |
1224 |
|
|
DLM(J,I) = 0.0D0 |
1225 |
|
|
end DO |
1226 |
|
|
end DO |
1227 |
|
|
|
1228 |
|
|
! start with 0,0: |
1229 |
|
|
PLM(0,0) = 1.0D0 |
1230 |
|
|
|
1231 |
|
|
! x = +/- 1 functions are easy: |
1232 |
|
|
IF (abs(X).EQ.1.0D0) THEN |
1233 |
|
|
DO I = 1, m |
1234 |
|
|
PLM(0, I) = X**I |
1235 |
|
|
DLM(0, I) = 0.5D0*I*(I+1.0D0)*X**(I+1) |
1236 |
|
|
end DO |
1237 |
|
|
DO J = 1, m |
1238 |
|
|
DO I = 1, l |
1239 |
|
|
IF (I.EQ.1) THEN |
1240 |
|
|
DLM(I, J) = 1.0D+300 |
1241 |
|
|
ELSE IF (I.EQ.2) THEN |
1242 |
|
|
DLM(I, J) = -0.25D0*(J+2)*(J+1)*J*(J-1)*X**(J+1) |
1243 |
|
|
ENDIF |
1244 |
|
|
end DO |
1245 |
|
|
end DO |
1246 |
|
|
RETURN |
1247 |
|
|
ENDIF |
1248 |
|
|
|
1249 |
|
|
LS = 1 |
1250 |
|
|
IF (abs(X).GT.1.0D0) LS = -1 |
1251 |
|
|
XQ = sqrt(LS*(1.0D0-X*X)) |
1252 |
|
|
XS = LS*(1.0D0-X*X) |
1253 |
|
|
|
1254 |
|
|
DO I = 1, l |
1255 |
|
|
PLM(I, I) = -LS*(2.0D0*I-1.0D0)*XQ*PLM(I-1, I-1) |
1256 |
|
|
enddo |
1257 |
|
|
|
1258 |
|
|
DO I = 0, l |
1259 |
|
|
PLM(I, I+1)=(2.0D0*I+1.0D0)*X*PLM(I, I) |
1260 |
|
|
enddo |
1261 |
|
|
|
1262 |
|
|
DO I = 0, l |
1263 |
|
|
DO J = I+2, m |
1264 |
|
|
PLM(I, J)=((2.0D0*J-1.0D0)*X*PLM(I,J-1) - & |
1265 |
|
|
(I+J-1.0D0)*PLM(I,J-2))/(J-I) |
1266 |
|
|
end DO |
1267 |
|
|
end DO |
1268 |
|
|
|
1269 |
|
|
DLM(0, 0)=0.0D0 |
1270 |
|
|
|
1271 |
|
|
DO J = 1, m |
1272 |
|
|
DLM(0, J)=LS*J*(PLM(0,J-1)-X*PLM(0,J))/XS |
1273 |
|
|
end DO |
1274 |
|
|
|
1275 |
|
|
DO I = 1, l |
1276 |
|
|
DO J = I, m |
1277 |
|
|
DLM(I,J) = LS*I*X*PLM(I, J)/XS + (J+I)*(J-I+1.0D0)/XQ*PLM(I-1, J) |
1278 |
|
|
end DO |
1279 |
|
|
end DO |
1280 |
|
|
|
1281 |
|
|
RETURN |
1282 |
|
|
END SUBROUTINE Associated_Legendre |
1283 |
|
|
|
1284 |
|
|
|
1285 |
|
|
subroutine Orthogonal_Polynomial(x, m, function_type, pl, dpl) |
1286 |
|
|
|
1287 |
|
|
! Purpose: Compute orthogonal polynomials: Tn(x) or Un(x), |
1288 |
|
|
! or Ln(x) or Hn(x), and their derivatives |
1289 |
|
|
! Input : function_type --- Function code |
1290 |
|
|
! =1 for Chebyshev polynomial Tn(x) |
1291 |
|
|
! =2 for Chebyshev polynomial Un(x) |
1292 |
|
|
! =3 for Laguerre polynomial Ln(x) |
1293 |
|
|
! =4 for Hermite polynomial Hn(x) |
1294 |
|
|
! n --- Order of orthogonal polynomials |
1295 |
|
|
! x --- Argument of orthogonal polynomials |
1296 |
|
|
! Output: PL(n) --- Tn(x) or Un(x) or Ln(x) or Hn(x) |
1297 |
|
|
! DPL(n)--- Tn'(x) or Un'(x) or Ln'(x) or Hn'(x) |
1298 |
|
|
! |
1299 |
|
|
! adapted from the routines in |
1300 |
|
|
! COMPUTATION OF SPECIAL FUNCTIONS by Shanjie Zhang and Jianming Jin |
1301 |
|
|
! ISBN 0-471-11963-6 |
1302 |
|
|
! |
1303 |
|
|
! The original Fortran77 codes can be found here: |
1304 |
|
|
! http://iris-lee3.ece.uiuc.edu/~jjin/routines/routines.html |
1305 |
|
|
|
1306 |
|
|
real(kind=8), intent(in) :: x |
1307 |
|
|
integer, intent(in):: m |
1308 |
|
|
integer, intent(in):: function_type |
1309 |
|
|
real(kind=8), dimension(0:m), intent(inout) :: pl, dpl |
1310 |
|
|
|
1311 |
|
|
real(kind=8) :: a, b, c, y0, y1, dy0, dy1, yn, dyn |
1312 |
|
|
integer :: k |
1313 |
|
|
|
1314 |
|
|
A = 2.0D0 |
1315 |
|
|
B = 0.0D0 |
1316 |
|
|
C = 1.0D0 |
1317 |
|
|
Y0 = 1.0D0 |
1318 |
|
|
Y1 = 2.0D0*X |
1319 |
|
|
DY0 = 0.0D0 |
1320 |
|
|
DY1 = 2.0D0 |
1321 |
|
|
PL(0) = 1.0D0 |
1322 |
|
|
PL(1) = 2.0D0*X |
1323 |
|
|
DPL(0) = 0.0D0 |
1324 |
|
|
DPL(1) = 2.0D0 |
1325 |
|
|
IF (function_type.EQ.CHEBYSHEV_TN) THEN |
1326 |
|
|
Y1 = X |
1327 |
|
|
DY1 = 1.0D0 |
1328 |
|
|
PL(1) = X |
1329 |
|
|
DPL(1) = 1.0D0 |
1330 |
|
|
ELSE IF (function_type.EQ.LAGUERRE) THEN |
1331 |
|
|
Y1 = 1.0D0-X |
1332 |
|
|
DY1 = -1.0D0 |
1333 |
|
|
PL(1) = 1.0D0-X |
1334 |
|
|
DPL(1) = -1.0D0 |
1335 |
|
|
ENDIF |
1336 |
|
|
DO K = 2, m |
1337 |
|
|
IF (function_type.EQ.LAGUERRE) THEN |
1338 |
|
|
A = -1.0D0/K |
1339 |
|
|
B = 2.0D0+A |
1340 |
|
|
C = 1.0D0+A |
1341 |
|
|
ELSE IF (function_type.EQ.HERMITE) THEN |
1342 |
|
|
C = 2.0D0*(K-1.0D0) |
1343 |
|
|
ENDIF |
1344 |
|
|
YN = (A*X+B)*Y1-C*Y0 |
1345 |
|
|
DYN = A*Y1+(A*X+B)*DY1-C*DY0 |
1346 |
|
|
PL(K) = YN |
1347 |
|
|
DPL(K) = DYN |
1348 |
|
|
Y0 = Y1 |
1349 |
|
|
Y1 = YN |
1350 |
|
|
DY0 = DY1 |
1351 |
|
|
DY1 = DYN |
1352 |
|
|
end DO |
1353 |
|
|
RETURN |
1354 |
|
|
|
1355 |
|
|
end subroutine Orthogonal_Polynomial |
1356 |
|
|
|
1357 |
|
|
end module shapes |
1358 |
|
|
|
1359 |
|
|
subroutine makeShape(nContactFuncs, ContactFuncLValue, & |
1360 |
|
|
ContactFuncMValue, ContactFunctionType, ContactFuncCoefficient, & |
1361 |
|
|
nRangeFuncs, RangeFuncLValue, RangeFuncMValue, RangeFunctionType, & |
1362 |
|
|
RangeFuncCoefficient, nStrengthFuncs, StrengthFuncLValue, & |
1363 |
|
|
StrengthFuncMValue, StrengthFunctionType, StrengthFuncCoefficient, & |
1364 |
|
|
myAtid, status) |
1365 |
|
|
|
1366 |
|
|
use definitions |
1367 |
|
|
use shapes, only: newShapeType |
1368 |
|
|
|
1369 |
|
|
integer :: nContactFuncs |
1370 |
|
|
integer :: nRangeFuncs |
1371 |
|
|
integer :: nStrengthFuncs |
1372 |
|
|
integer :: status |
1373 |
|
|
integer :: myAtid |
1374 |
|
|
|
1375 |
|
|
integer, dimension(nContactFuncs) :: ContactFuncLValue |
1376 |
|
|
integer, dimension(nContactFuncs) :: ContactFuncMValue |
1377 |
|
|
integer, dimension(nContactFuncs) :: ContactFunctionType |
1378 |
|
|
real(kind=dp), dimension(nContactFuncs) :: ContactFuncCoefficient |
1379 |
|
|
integer, dimension(nRangeFuncs) :: RangeFuncLValue |
1380 |
|
|
integer, dimension(nRangeFuncs) :: RangeFuncMValue |
1381 |
|
|
integer, dimension(nRangeFuncs) :: RangeFunctionType |
1382 |
|
|
real(kind=dp), dimension(nRangeFuncs) :: RangeFuncCoefficient |
1383 |
|
|
integer, dimension(nStrengthFuncs) :: StrengthFuncLValue |
1384 |
|
|
integer, dimension(nStrengthFuncs) :: StrengthFuncMValue |
1385 |
|
|
integer, dimension(nStrengthFuncs) :: StrengthFunctionType |
1386 |
|
|
real(kind=dp), dimension(nStrengthFuncs) :: StrengthFuncCoefficient |
1387 |
|
|
|
1388 |
|
|
call newShapeType(nContactFuncs, ContactFuncLValue, & |
1389 |
|
|
ContactFuncMValue, ContactFunctionType, ContactFuncCoefficient, & |
1390 |
|
|
nRangeFuncs, RangeFuncLValue, RangeFuncMValue, RangeFunctionType, & |
1391 |
|
|
RangeFuncCoefficient, nStrengthFuncs, StrengthFuncLValue, & |
1392 |
|
|
StrengthFuncMValue, StrengthFunctionType, StrengthFuncCoefficient, & |
1393 |
|
|
myAtid, status) |
1394 |
|
|
|
1395 |
|
|
return |
1396 |
|
|
end subroutine makeShape |