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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). |
39 |
< |
* [4] Vardeman & Gezelter, in progress (2009). |
39 |
> |
* [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010). |
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> |
* [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). |
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*/ |
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43 |
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#include "restraints/ObjectRestraint.hpp" |
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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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< |
RealType r = del.length(); |
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> |
RealType r = del.length(); |
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Vector3d frc = -kDisp_ * del; |
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RealType p = 0.5 * kDisp_ * del.lengthSquare(); |
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< |
pot_ += p; |
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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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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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|
78 |
< |
quat.getTwistSwingAxisAngle(twistAngle, swingAngle, swingAxis); |
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< |
quat.toSwingTwist(tw, swingX, swingY); |
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< |
|
78 |
> |
quat.toSwingTwist(swingX, swingY, twistAngle); |
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> |
|
80 |
> |
|
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RealType dVdtwist, dVdswingX, dVdswingY; |
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RealType dTwist, dSwingX, dSwingY; |
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RealType p; |