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root/OpenMD/trunk/src/UseTheForce/notifyCutoffs.F90
Revision: 682
Committed: Tue Oct 18 15:01:42 2005 UTC (19 years, 9 months ago) by chrisfen
File size: 4259 byte(s)
Log Message:
merged reaction field with electrostatics.F90

File Contents

# User Rev Content
1 gezelter 246 !!
2     !! Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3     !!
4     !! The University of Notre Dame grants you ("Licensee") a
5     !! non-exclusive, royalty free, license to use, modify and
6     !! redistribute this software in source and binary code form, provided
7     !! that the following conditions are met:
8     !!
9     !! 1. Acknowledgement of the program authors must be made in any
10     !! publication of scientific results based in part on use of the
11     !! program. An acceptable form of acknowledgement is citation of
12     !! the article in which the program was described (Matthew
13     !! A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14     !! J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15     !! Parallel Simulation Engine for Molecular Dynamics,"
16     !! J. Comput. Chem. 26, pp. 252-271 (2005))
17     !!
18     !! 2. Redistributions of source code must retain the above copyright
19     !! notice, this list of conditions and the following disclaimer.
20     !!
21     !! 3. Redistributions in binary form must reproduce the above copyright
22     !! notice, this list of conditions and the following disclaimer in the
23     !! documentation and/or other materials provided with the
24     !! distribution.
25     !!
26     !! This software is provided "AS IS," without a warranty of any
27     !! kind. All express or implied conditions, representations and
28     !! warranties, including any implied warranty of merchantability,
29     !! fitness for a particular purpose or non-infringement, are hereby
30     !! excluded. The University of Notre Dame and its licensors shall not
31     !! be liable for any damages suffered by licensee as a result of
32     !! using, modifying or distributing the software or its
33     !! derivatives. In no event will the University of Notre Dame or its
34     !! licensors be liable for any lost revenue, profit or data, or for
35     !! direct, indirect, special, consequential, incidental or punitive
36     !! damages, however caused and regardless of the theory of liability,
37     !! arising out of the use of or inability to use software, even if the
38     !! University of Notre Dame has been advised of the possibility of
39     !! such damages.
40     !!
41    
42 tim 9 module notifyCutoffs
43 gezelter 507
44 tim 9 use definitions
45 gezelter 574 use doForces, only: setDefaultCutoffs
46     use lj, only: setLJDefaultCutoff
47 tim 9 use eam, only: setCutoffEAM
48     use switcheroo, only: set_switch
49     use status
50     implicit none
51    
52     PRIVATE
53    
54     character(len = statusMsgSize) :: errMsg
55    
56     #define __FORTRAN90
57     #include "UseTheForce/fSwitchingFunction.h"
58 gezelter 574 #include "UseTheForce/fCutoffPolicy.h"
59 tim 9
60     public::cutoffNotify
61 gezelter 507
62 tim 9 contains
63 gezelter 507
64 gezelter 586 subroutine cutoffNotify( this_rcut, this_rsw, this_rlist, cutPolicy)
65 gezelter 507
66 tim 9 real(kind=dp), intent(in) :: this_rcut, this_rsw, this_rlist
67 gezelter 586 integer, intent(in) :: cutPolicy
68 tim 9 real(kind=dp) :: rsw, rcut, rlist
69     integer :: localError
70     logical :: do_shift
71 gezelter 507
72 tim 9 rcut = this_rcut
73     rsw = this_rsw
74     rlist = this_rlist
75 gezelter 507
76 tim 9 if (rcut .lt. rsw) then
77 gezelter 507
78 tim 9 write(errMsg, *) 'cutoffRadius is ', rcut, newline // tab, &
79 gezelter 507 'but switchingRadius is set larger at ', rsw , newline // tab, &
80     'That is probably not what you wanted to do!'
81    
82 tim 9 call handleWarning("cutoffNotify", errMsg)
83    
84 gezelter 507 endif
85 tim 9
86 gezelter 507 if (rlist .lt. rcut) then
87 tim 9
88 gezelter 507 write(errMsg, *) 'neighborListRadius is ', rlist, newline &
89     // tab, 'but cutoffRadius is set larger at ', rcut , newline &
90     // tab, 'That is probably a programming error!'
91 tim 9
92 gezelter 507 call handleWarning("cutoffNotify", errMsg)
93 tim 9
94 gezelter 507 endif
95 tim 9
96 gezelter 507 do_shift = .false.
97     if (abs(rcut-rsw) .lt. 0.0001) then
98    
99     write(errMsg, *) &
100     'cutoffRadius and switchingRadius are set to the same', newline &
101     // tab, 'value. OOPSE will use shifted Lennard-Jones', newline &
102     // tab, 'potentials instead of switching functions.'
103    
104     call handleInfo("cutoffNotify", errMsg)
105    
106     do_shift = .true.
107    
108     endif
109    
110 gezelter 586 call setDefaultCutoffs(rcut, rsw, rlist, cutPolicy)
111 gezelter 574 call setLJDefaultCutoff( rcut, do_shift )
112 gezelter 507 call setCutoffEAM( rcut, localError)
113     call set_switch(GROUP_SWITCH, rsw, rcut)
114    
115 chuckv 567 if (localError /= 0) then
116     write(errMsg, *) 'An error has occured in setting the default cutoff'
117     call handleError("cutoffNotify", errMsg)
118     end if
119    
120    
121 gezelter 507 end subroutine cutoffNotify
122    
123     end module notifyCutoffs