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* redistribute this software in source and binary code form, provided |
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* that the following conditions are met: |
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* |
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< |
* 1. Acknowledgement of the program authors must be made in any |
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< |
* publication of scientific results based in part on use of the |
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< |
* program. An acceptable form of acknowledgement is citation of |
| 12 |
< |
* the article in which the program was described (Matthew |
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< |
* A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher |
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< |
* J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented |
| 15 |
< |
* Parallel Simulation Engine for Molecular Dynamics," |
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< |
* J. Comput. Chem. 26, pp. 252-271 (2005)) |
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< |
* |
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< |
* 2. Redistributions of source code must retain the above copyright |
| 9 |
> |
* 1. Redistributions of source code must retain the above copyright |
| 10 |
|
* notice, this list of conditions and the following disclaimer. |
| 11 |
|
* |
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< |
* 3. Redistributions in binary form must reproduce the above copyright |
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> |
* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
| 14 |
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* documentation and/or other materials provided with the |
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* distribution. |
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* arising out of the use of or inability to use software, even if the |
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* University of Notre Dame has been advised of the possibility of |
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* such damages. |
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+ |
* |
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* SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your |
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+ |
* research, please cite the appropriate papers when you publish your |
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+ |
* work. Good starting points are: |
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* |
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+ |
* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
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+ |
* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
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+ |
* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
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* [4] Vardeman & Gezelter, in progress (2009). |
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*/ |
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|
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#include "primitives/DirectionalAtom.hpp" |
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#include "utils/simError.h" |
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< |
namespace oopse { |
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< |
|
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> |
namespace OpenMD { |
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> |
|
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DirectionalAtom::DirectionalAtom(DirectionalAtomType* dAtomType) |
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: Atom(dAtomType){ |
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< |
objType_= otDAtom; |
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< |
if (dAtomType->isMultipole()) { |
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< |
electroBodyFrame_ = dAtomType->getElectroBodyFrame(); |
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> |
objType_= otDAtom; |
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> |
if (dAtomType->isMultipole()) { |
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> |
electroBodyFrame_ = dAtomType->getElectroBodyFrame(); |
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> |
} |
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> |
|
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> |
// Check if one of the diagonal inertia tensor of this directional |
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> |
// atom is zero: |
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> |
int nLinearAxis = 0; |
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> |
Mat3x3d inertiaTensor = getI(); |
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> |
for (int i = 0; i < 3; i++) { |
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> |
if (fabs(inertiaTensor(i, i)) < OpenMD::epsilon) { |
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> |
linear_ = true; |
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> |
linearAxis_ = i; |
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> |
++ nLinearAxis; |
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} |
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– |
|
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– |
//check if one of the diagonal inertia tensor of this directional atom is zero |
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– |
int nLinearAxis = 0; |
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– |
Mat3x3d inertiaTensor = getI(); |
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– |
for (int i = 0; i < 3; i++) { |
| 57 |
– |
if (fabs(inertiaTensor(i, i)) < oopse::epsilon) { |
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– |
linear_ = true; |
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– |
linearAxis_ = i; |
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– |
++ nLinearAxis; |
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– |
} |
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– |
} |
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– |
|
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– |
if (nLinearAxis > 1) { |
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– |
sprintf( painCave.errMsg, |
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– |
"Directional Atom warning.\n" |
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– |
"\tOOPSE found more than one axis in this directional atom with a vanishing \n" |
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– |
"\tmoment of inertia."); |
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– |
painCave.isFatal = 0; |
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– |
simError(); |
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– |
} |
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– |
|
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} |
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|
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+ |
if (nLinearAxis > 1) { |
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+ |
sprintf( painCave.errMsg, |
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+ |
"Directional Atom warning.\n" |
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+ |
"\tOpenMD found more than one axis in this directional atom with a vanishing \n" |
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+ |
"\tmoment of inertia."); |
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+ |
painCave.isFatal = 0; |
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simError(); |
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} |
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} |
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+ |
|
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Mat3x3d DirectionalAtom::getI() { |
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return static_cast<DirectionalAtomType*>(getAtomType())->getI(); |
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} |
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< |
|
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> |
|
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void DirectionalAtom::setPrevA(const RotMat3x3d& a) { |
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((snapshotMan_->getPrevSnapshot())->*storage_).aMat[localIndex_] = a; |
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if (atomType_->isMultipole()) { |
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((snapshotMan_->getPrevSnapshot())->*storage_).electroFrame[localIndex_] = a.transpose() * electroBodyFrame_; |
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} |
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} |
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< |
|
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< |
|
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> |
|
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> |
|
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void DirectionalAtom::setA(const RotMat3x3d& a) { |
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((snapshotMan_->getCurrentSnapshot())->*storage_).aMat[localIndex_] = a; |
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< |
|
| 89 |
> |
|
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if (atomType_->isMultipole()) { |
| 91 |
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((snapshotMan_->getCurrentSnapshot())->*storage_).electroFrame[localIndex_] = a.transpose() * electroBodyFrame_; |
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} |
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|
} |
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< |
|
| 94 |
> |
|
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void DirectionalAtom::setA(const RotMat3x3d& a, int snapshotNo) { |
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|
((snapshotMan_->getSnapshot(snapshotNo))->*storage_).aMat[localIndex_] = a; |
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< |
|
| 97 |
> |
|
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|
if (atomType_->isMultipole()) { |
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((snapshotMan_->getSnapshot(snapshotNo))->*storage_).electroFrame[localIndex_] = a.transpose() * electroBodyFrame_; |
| 100 |
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} |
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} |
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< |
|
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> |
|
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void DirectionalAtom::rotateBy(const RotMat3x3d& m) { |
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|
setA(m *getA()); |
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|
} |
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< |
|
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> |
|
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|
std::vector<RealType> DirectionalAtom::getGrad() { |
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std::vector<RealType> grad(6, 0.0); |
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Vector3d force; |
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|
Vector3d ephi; |
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Vector3d etheta; |
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Vector3d epsi; |
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< |
|
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> |
|
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force = getFrc(); |
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|
torque =getTrq(); |
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|
myEuler = getA().toEulerAngles(); |
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< |
|
| 121 |
> |
|
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|
phi = myEuler[0]; |
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|
theta = myEuler[1]; |
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|
psi = myEuler[2]; |
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< |
|
| 125 |
> |
|
| 126 |
|
cphi = cos(phi); |
| 127 |
|
sphi = sin(phi); |
| 128 |
|
ctheta = cos(theta); |
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|
stheta = sin(theta); |
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< |
|
| 130 |
> |
|
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|
// get unit vectors along the phi, theta and psi rotation axes |
| 132 |
< |
|
| 132 |
> |
|
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|
ephi[0] = 0.0; |
| 134 |
|
ephi[1] = 0.0; |
| 135 |
|
ephi[2] = 1.0; |
| 136 |
< |
|
| 136 |
> |
|
| 137 |
> |
//etheta[0] = -sphi; |
| 138 |
> |
//etheta[1] = cphi; |
| 139 |
> |
//etheta[2] = 0.0; |
| 140 |
> |
|
| 141 |
|
etheta[0] = cphi; |
| 142 |
|
etheta[1] = sphi; |
| 143 |
|
etheta[2] = 0.0; |
| 144 |
< |
|
| 144 |
> |
|
| 145 |
|
epsi[0] = stheta * cphi; |
| 146 |
|
epsi[1] = stheta * sphi; |
| 147 |
|
epsi[2] = ctheta; |
| 148 |
< |
|
| 148 |
> |
|
| 149 |
|
//gradient is equal to -force |
| 150 |
|
for (int j = 0 ; j<3; j++) |
| 151 |
|
grad[j] = -force[j]; |
| 152 |
< |
|
| 153 |
< |
for (int j = 0; j < 3; j++ ) { |
| 150 |
< |
|
| 152 |
> |
|
| 153 |
> |
for (int j = 0; j < 3; j++ ) { |
| 154 |
|
grad[3] -= torque[j]*ephi[j]; |
| 155 |
|
grad[4] -= torque[j]*etheta[j]; |
| 156 |
< |
grad[5] -= torque[j]*epsi[j]; |
| 154 |
< |
|
| 156 |
> |
grad[5] -= torque[j]*epsi[j]; |
| 157 |
|
} |
| 158 |
|
|
| 159 |
|
return grad; |
| 160 |
|
} |
| 161 |
< |
|
| 161 |
> |
|
| 162 |
|
void DirectionalAtom::accept(BaseVisitor* v) { |
| 163 |
|
v->visit(this); |
| 164 |
< |
} |
| 163 |
< |
|
| 164 |
> |
} |
| 165 |
|
} |
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|
|
