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 |
9 |
> |
* 1. Redistributions of source code must retain the above copyright |
10 |
|
* notice, this list of conditions and the following disclaimer. |
11 |
|
* |
12 |
< |
* 3. Redistributions in binary form must reproduce the above copyright |
12 |
> |
* 2. Redistributions in binary form must reproduce the above copyright |
13 |
|
* notice, this list of conditions and the following disclaimer in the |
14 |
|
* documentation and/or other materials provided with the |
15 |
|
* distribution. |
28 |
|
* arising out of the use of or inability to use software, even if the |
29 |
|
* University of Notre Dame has been advised of the possibility of |
30 |
|
* such damages. |
31 |
+ |
* |
32 |
+ |
* SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your |
33 |
+ |
* research, please cite the appropriate papers when you publish your |
34 |
+ |
* work. Good starting points are: |
35 |
+ |
* |
36 |
+ |
* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
37 |
+ |
* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
38 |
+ |
* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 234107 (2008). |
39 |
+ |
* [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |
40 |
+ |
* [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |
41 |
|
*/ |
42 |
|
|
43 |
|
#include "restraints/ObjectRestraint.hpp" |
44 |
|
|
45 |
< |
namespace oopse { |
45 |
> |
namespace OpenMD { |
46 |
|
|
47 |
|
void ObjectRestraint::calcForce(Vector3d struc) { |
48 |
|
|
49 |
|
pot_ = 0.0; |
49 |
– |
|
50 |
|
if (restType_ & rtDisplacement) { |
51 |
|
Vector3d del = struc - refPos_; |
52 |
< |
RealType r = del.length(); |
52 |
> |
RealType r = del.length(); |
53 |
|
Vector3d frc = -kDisp_ * del; |
54 |
|
RealType p = 0.5 * kDisp_ * del.lengthSquare(); |
55 |
< |
pot_ += p; |
55 |
> |
|
56 |
> |
pot_ = p; |
57 |
|
force_ = frc * scaleFactor_; |
58 |
< |
restInfo_[rtDisplacement] = std::make_pair(r,p); |
58 |
> |
if (printRest_) restInfo_[rtDisplacement] = std::make_pair(r,p); |
59 |
|
} |
60 |
|
} |
61 |
|
|
72 |
|
|
73 |
|
Quat4d quat = temp.toQuaternion(); |
74 |
|
|
75 |
< |
RealType twistAngle, swingAngle; |
75 |
> |
RealType twistAngle; |
76 |
|
Vector3d swingAxis; |
77 |
< |
RealType tw, swingX, swingY; |
77 |
> |
RealType swingX, swingY; |
78 |
|
|
79 |
< |
quat.getTwistSwingAxisAngle(twistAngle, swingAngle, swingAxis); |
80 |
< |
quat.toSwingTwist(tw, swingX, swingY); |
80 |
< |
|
81 |
< |
RealType dVdtwist, dVdswingX, dVdswingY; |
82 |
< |
RealType dTwist, dSwingX, dSwingY; |
79 |
> |
quat.toSwingTwist(swingX, swingY, twistAngle); |
80 |
> |
|
81 |
|
RealType p; |
82 |
|
Vector3d tTwist, tSwing; |
83 |
|
|
84 |
|
if (restType_ & rtTwist){ |
85 |
< |
dTwist = twistAngle - twist0_; |
86 |
< |
dVdtwist = kTwist_ * sin(dTwist); |
85 |
> |
RealType dTwist = twistAngle - twist0_; |
86 |
> |
RealType dVdtwist = kTwist_ * sin(dTwist); |
87 |
|
p = kTwist_ * (1.0 - cos(dTwist) ); |
88 |
|
pot_ += p; |
89 |
|
tBody -= dVdtwist * V3Z; |
90 |
< |
restInfo_[rtTwist] = std::make_pair(twistAngle, p); |
90 |
> |
if (printRest_) restInfo_[rtTwist] = std::make_pair(twistAngle, p); |
91 |
|
} |
92 |
|
|
93 |
|
if (restType_ & rtSwingX){ |
94 |
< |
dSwingX = swingX - swingX0_; |
95 |
< |
dVdswingX = kSwingX_ * 0.5 * sin(2.0 * dSwingX); |
94 |
> |
RealType dSwingX = swingX - swingX0_; |
95 |
> |
RealType dVdswingX = kSwingX_ * 0.5 * sin(2.0 * dSwingX); |
96 |
|
p = 0.25 * kSwingX_ * (1.0 - cos(2.0 * dSwingX)); |
97 |
|
pot_ += p; |
98 |
|
tBody -= dVdswingX * V3X; |
99 |
< |
restInfo_[rtSwingX] = std::make_pair(swingX, p); |
99 |
> |
if (printRest_) restInfo_[rtSwingX] = std::make_pair(swingX, p); |
100 |
|
} |
101 |
|
|
102 |
|
if (restType_ & rtSwingY){ |
103 |
< |
dSwingY = swingY - swingY0_; |
104 |
< |
dVdswingY = kSwingY_ * 0.5 * sin(2.0 * dSwingY); |
103 |
> |
RealType dSwingY = swingY - swingY0_; |
104 |
> |
RealType dVdswingY = kSwingY_ * 0.5 * sin(2.0 * dSwingY); |
105 |
|
p = 0.25 * kSwingY_ * (1.0 - cos(2.0 * dSwingY)); |
106 |
|
pot_ += p; |
107 |
|
tBody -= dVdswingY * V3Y; |
108 |
< |
restInfo_[rtSwingY] = std::make_pair(swingY, p); |
108 |
> |
if (printRest_) restInfo_[rtSwingY] = std::make_pair(swingY, p); |
109 |
|
} |
110 |
|
|
111 |
|
Vector3d tLab = A.transpose() * tBody; |