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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 |
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* 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 |
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* 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 |
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* 1. Redistributions of source code must retain the above copyright |
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|
* notice, this list of conditions and the following disclaimer. |
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* |
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* 3. Redistributions in binary form must reproduce the above copyright |
12 |
> |
* 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 |
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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 "restraints/ObjectRestraint.hpp" |
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|
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< |
namespace oopse { |
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> |
namespace OpenMD { |
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|
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void ObjectRestraint::calcForce(Vector3d struc) { |
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|
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pot_ = 0.0; |
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– |
|
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if (restType_ & rtDisplacement) { |
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Vector3d del = struc - refPos_; |
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> |
Vector3d del = struc - refPos_; |
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> |
RealType r = del.length(); |
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Vector3d frc = -kDisp_ * del; |
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pot_ += 0.5 * kDisp_ * del.lengthSquare(); |
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> |
RealType p = 0.5 * kDisp_ * del.lengthSquare(); |
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> |
pot_ = p; |
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force_ = frc * scaleFactor_; |
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+ |
restInfo_[rtDisplacement] = std::make_pair(r,p); |
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} |
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} |
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|
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|
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RealType twistAngle, swingAngle; |
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Vector3d swingAxis; |
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RealType tw, swingX, swingY; |
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> |
RealType swingX, swingY; |
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|
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quat.getTwistSwingAxisAngle(twistAngle, swingAngle, swingAxis); |
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quat.toSwingTwist(tw, swingX, swingY); |
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|
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> |
quat.toSwingTwist(swingX, swingY, twistAngle); |
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> |
|
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> |
|
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RealType dVdtwist, dVdswingX, dVdswingY; |
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RealType dTwist, dSwingX, dSwingY; |
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RealType p; |
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restInfo_[rtSwingY] = std::make_pair(swingY, p); |
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} |
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|
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– |
std::cerr << "sw = " << swingAngle << " tw = " << twistAngle << "\n"; |
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std::cerr << "tbod = " << tBody << "\n"; |
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Vector3d tLab = A.transpose() * tBody; |
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torque_ = tLab * scaleFactor_; |
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} |