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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 |
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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 |
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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 "applications/hydrodynamics/ApproximationModel.hpp" |
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#include "math/LU.hpp" |
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#include "math/DynamicRectMatrix.hpp" |
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#include "math/SquareMatrix3.hpp" |
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#include "utils/OOPSEConstant.hpp" |
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> |
#include "utils/PhysicalConstants.hpp" |
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#include "hydrodynamics/Sphere.hpp" |
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#include "hydrodynamics/Ellipsoid.hpp" |
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#include "applications/hydrodynamics/CompositeShape.hpp" |
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#include "math/LU.hpp" |
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#include "utils/simError.h" |
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< |
namespace oopse { |
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> |
namespace OpenMD { |
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/** |
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* Reference: |
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* Beatriz Carrasco and Jose Gracia de la Torre, Hydrodynamic Properties of Rigid Particles: |
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bool ApproximationModel::calcHydroProps(Shape* shape, RealType viscosity, RealType temperature) { |
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|
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bool ret = true; |
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HydroProps cr; |
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HydroProps cd; |
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> |
HydroProp* cr = new HydroProp(); |
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> |
HydroProp* cd = new HydroProp(); |
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calcHydroPropsAtCR(beads_, viscosity, temperature, cr); |
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//calcHydroPropsAtCD(beads_, viscosity, temperature, cd); |
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calcHydroPropsAtCD(beads_, viscosity, temperature, cd); |
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setCR(cr); |
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setCD(cd); |
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|
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return true; |
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} |
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|
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< |
bool ApproximationModel::calcHydroPropsAtCR(std::vector<BeadParam>& beads, RealType viscosity, RealType temperature, HydroProps& cr) { |
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bool ApproximationModel::calcHydroPropsAtCR(std::vector<BeadParam>& beads, RealType viscosity, RealType temperature, HydroProp* cr) { |
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|
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int nbeads = beads.size(); |
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DynamicRectMatrix<RealType> B(3*nbeads, 3*nbeads); |
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Mat3x3d tmpMat; |
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tmpMat = outProduct(Rij, Rij) / rij2; |
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RealType constant = 8.0 * NumericConstant::PI * viscosity * rij; |
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< |
Tij = ((1.0 + sumSigma2OverRij2/3.0) * I + (1.0 - sumSigma2OverRij2) * tmpMat ) / constant; |
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> |
RealType tmp1 = 1.0 + sumSigma2OverRij2/3.0; |
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> |
RealType tmp2 = 1.0 - sumSigma2OverRij2; |
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Tij = (tmp1 * I + tmp2 * tmpMat ) / constant; |
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}else { |
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RealType constant = 1.0 / (6.0 * NumericConstant::PI * viscosity * beads[i].radius); |
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Tij(0, 0) = constant; |
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|
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Xiott += Cij; |
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Xiotr += U[i] * Cij; |
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//Xiorr += -U[i] * Cij * U[j] + (6 * viscosity * volume) * I; |
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> |
// uncorrected here. Volume correction is added after we assemble Xiorr |
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Xiorr += -U[i] * Cij * U[j]; |
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} |
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} |
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+ |
|
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// add the volume correction |
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Xiorr += (6.0 * viscosity * volume) * I; |
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|
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const RealType convertConstant = 6.023; //convert poise.angstrom to amu/fs |
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Xiott *= convertConstant; |
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Xiotr *= convertConstant; |
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Xiorr *= convertConstant; |
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> |
Xiott *= PhysicalConstants::viscoConvert; |
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> |
Xiotr *= PhysicalConstants::viscoConvert; |
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> |
Xiorr *= PhysicalConstants::viscoConvert; |
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|
|
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– |
|
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– |
|
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Mat3x3d tmp; |
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Mat3x3d tmpInv; |
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Vector3d tmpVec; |
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Dr6x6.getSubMatrix(0, 3, Drrt); |
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Dr6x6.getSubMatrix(3, 0, Drtr); |
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Dr6x6.getSubMatrix(3, 3, Drrr); |
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< |
RealType kt = OOPSEConstant::kB * temperature ; |
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> |
RealType kt = PhysicalConstants::kb * temperature ; // in kcal mol^-1 |
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Drtt *= kt; |
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Drrt *= kt; |
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Drtr *= kt; |
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Drrr *= kt; |
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< |
Xirtt *= OOPSEConstant::kb * temperature; |
212 |
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Xirtr *= OOPSEConstant::kb * temperature; |
213 |
< |
Xirrr *= OOPSEConstant::kb * temperature; |
211 |
> |
//Xirtt *= PhysicalConstants::kb * temperature; |
212 |
> |
//Xirtr *= PhysicalConstants::kb * temperature; |
213 |
> |
//Xirrr *= PhysicalConstants::kb * temperature; |
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|
|
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+ |
Mat6x6d Xi, D; |
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|
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< |
cr.center = ror; |
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< |
cr.Xi.setSubMatrix(0, 0, Xirtt); |
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< |
cr.Xi.setSubMatrix(0, 3, Xirtr); |
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< |
cr.Xi.setSubMatrix(3, 0, Xirtr); |
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cr.Xi.setSubMatrix(3, 3, Xirrr); |
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cr.D.setSubMatrix(0, 0, Drtt); |
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< |
cr.D.setSubMatrix(0, 3, Drrt); |
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cr.D.setSubMatrix(3, 0, Drtr); |
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cr.D.setSubMatrix(3, 3, Drrr); |
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> |
cr->setCOR(ror); |
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> |
|
219 |
> |
Xi.setSubMatrix(0, 0, Xirtt); |
220 |
> |
Xi.setSubMatrix(0, 3, Xirtr); |
221 |
> |
Xi.setSubMatrix(3, 0, Xirtr); |
222 |
> |
Xi.setSubMatrix(3, 3, Xirrr); |
223 |
> |
|
224 |
> |
cr->setXi(Xi); |
225 |
> |
|
226 |
> |
D.setSubMatrix(0, 0, Drtt); |
227 |
> |
D.setSubMatrix(0, 3, Drrt); |
228 |
> |
D.setSubMatrix(3, 0, Drtr); |
229 |
> |
D.setSubMatrix(3, 3, Drrr); |
230 |
> |
|
231 |
> |
cr->setD(D); |
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|
|
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std::cout << "-----------------------------------------\n"; |
234 |
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std::cout << "center of resistance :" << std::endl; |
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return true; |
255 |
|
} |
256 |
|
|
257 |
< |
bool ApproximationModel::calcHydroPropsAtCD(std::vector<BeadParam>& beads, RealType viscosity, RealType temperature, HydroProps& cr) { |
257 |
> |
bool ApproximationModel::calcHydroPropsAtCD(std::vector<BeadParam>& beads, RealType viscosity, RealType temperature, HydroProp* cd) { |
258 |
|
|
259 |
|
int nbeads = beads.size(); |
260 |
|
DynamicRectMatrix<RealType> B(3*nbeads, 3*nbeads); |
275 |
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Mat3x3d tmpMat; |
276 |
|
tmpMat = outProduct(Rij, Rij) / rij2; |
277 |
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RealType constant = 8.0 * NumericConstant::PI * viscosity * rij; |
278 |
< |
Tij = ((1.0 + sumSigma2OverRij2/3.0) * I + (1.0 - sumSigma2OverRij2) * tmpMat ) / constant; |
278 |
> |
RealType tmp1 = 1.0 + sumSigma2OverRij2/3.0; |
279 |
> |
RealType tmp2 = 1.0 - sumSigma2OverRij2; |
280 |
> |
Tij = (tmp1 * I + tmp2 * tmpMat ) / constant; |
281 |
|
}else { |
282 |
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RealType constant = 1.0 / (6.0 * NumericConstant::PI * viscosity * beads[i].radius); |
283 |
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Tij(0, 0) = constant; |
318 |
|
|
319 |
|
Xitt += Cij; |
320 |
|
Xitr += U[i] * Cij; |
321 |
< |
//Xirr += -U[i] * Cij * U[j] + (6 * viscosity * volume) * I; |
321 |
> |
// uncorrected here. Volume correction is added after we assemble Xiorr |
322 |
|
Xirr += -U[i] * Cij * U[j]; |
323 |
|
} |
324 |
|
} |
325 |
+ |
// add the volume correction here: |
326 |
+ |
Xirr += (6.0 * viscosity * volume) * I; |
327 |
|
|
328 |
< |
const RealType convertConstant = 6.023; //convert poise.angstrom to amu/fs |
329 |
< |
Xitt *= convertConstant; |
330 |
< |
Xitr *= convertConstant; |
319 |
< |
Xirr *= convertConstant; |
328 |
> |
Xitt *= PhysicalConstants::viscoConvert; |
329 |
> |
Xitr *= PhysicalConstants::viscoConvert; |
330 |
> |
Xirr *= PhysicalConstants::viscoConvert; |
331 |
|
|
332 |
< |
RealType kt = OOPSEConstant::kB * temperature; |
332 |
> |
RealType kt = PhysicalConstants::kb * temperature; // in kcal mol^-1 |
333 |
|
|
334 |
|
Mat3x3d Dott; //translational diffusion tensor at arbitrary origin O |
335 |
|
Mat3x3d Dorr; //rotational diffusion tensor at arbitrary origin O |
402 |
|
|
403 |
|
|
404 |
|
//Xidtt in units of kcal*fs*mol^-1*Ang^-2 |
405 |
< |
//Xid /= OOPSEConstant::energyConvert; |
406 |
< |
Xid *= OOPSEConstant::kb * temperature; |
405 |
> |
//Xid /= PhysicalConstants::energyConvert; |
406 |
> |
Xid *= PhysicalConstants::kb * temperature; |
407 |
|
|
408 |
< |
cr.center = rod; |
398 |
< |
cr.D.setSubMatrix(0, 0, Ddtt); |
399 |
< |
cr.D.setSubMatrix(0, 3, Ddtr); |
400 |
< |
cr.D.setSubMatrix(3, 0, Ddtr); |
401 |
< |
cr.D.setSubMatrix(3, 3, Ddrr); |
402 |
< |
cr.Xi = Xid; |
408 |
> |
Mat6x6d Xi, D; |
409 |
|
|
410 |
+ |
cd->setCOR(rod); |
411 |
+ |
|
412 |
+ |
cd->setXi(Xid); |
413 |
+ |
|
414 |
+ |
D.setSubMatrix(0, 0, Ddtt); |
415 |
+ |
D.setSubMatrix(0, 3, Ddtr); |
416 |
+ |
D.setSubMatrix(3, 0, Ddtr); |
417 |
+ |
D.setSubMatrix(3, 3, Ddrr); |
418 |
+ |
|
419 |
+ |
cd->setD(D); |
420 |
+ |
|
421 |
|
std::cout << "viscosity = " << viscosity << std::endl; |
422 |
|
std::cout << "temperature = " << temperature << std::endl; |
423 |
|
std::cout << "center of diffusion :" << std::endl; |
424 |
|
std::cout << rod << std::endl; |
425 |
|
std::cout << "diffusion tensor at center of diffusion " << std::endl; |
426 |
< |
std::cout << "translation(A^2/fs) :" << std::endl; |
426 |
> |
std::cout << "translation(A^2 / fs) :" << std::endl; |
427 |
|
std::cout << Ddtt << std::endl; |
428 |
< |
std::cout << "translation-rotation(A^3/fs):" << std::endl; |
428 |
> |
std::cout << "translation-rotation(A / fs):" << std::endl; |
429 |
|
std::cout << Ddtr << std::endl; |
430 |
< |
std::cout << "rotation(A^4/fs):" << std::endl; |
430 |
> |
std::cout << "rotation(fs^-1):" << std::endl; |
431 |
|
std::cout << Ddrr << std::endl; |
432 |
|
|
433 |
|
std::cout << "resistance tensor at center of diffusion " << std::endl; |
443 |
|
Xid.getSubMatrix(3, 3, Xidrr); |
444 |
|
|
445 |
|
std::cout << Xidtt << std::endl; |
446 |
< |
std::cout << "rotation-translation (kcal*fs*mol^-1*Ang^-3):" << std::endl; |
446 |
> |
std::cout << "rotation-translation (kcal*fs*mol^-1*Ang^-1):" << std::endl; |
447 |
|
std::cout << Xidrt << std::endl; |
448 |
< |
std::cout << "translation-rotation(kcal*fs*mol^-1*Ang^-3):" << std::endl; |
448 |
> |
std::cout << "translation-rotation(kcal*fs*mol^-1*Ang^-1):" << std::endl; |
449 |
|
std::cout << Xidtr << std::endl; |
450 |
< |
std::cout << "rotation(kcal*fs*mol^-1*Ang^-4):" << std::endl; |
450 |
> |
std::cout << "rotation(kcal*fs*mol^-1):" << std::endl; |
451 |
|
std::cout << Xidrr << std::endl; |
452 |
|
|
453 |
|
return true; |