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#include "SimInfo.hpp" |
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#include "Thermo.hpp" |
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#include "ReadWrite.hpp" |
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#include "ExtendedSystem.hpp" |
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extern "C"{ |
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} |
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Verlet::Verlet( SimInfo &info, ForceFields* the_ff ){ |
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Verlet::Verlet( SimInfo &info, ForceFields* the_ff, ExtendedSystem* the_es ){ |
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// get what information we need from the SimInfo object |
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entry_plug = &info; |
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myFF = the_ff; |
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myES = the_es; |
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c_natoms = info.n_atoms; |
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c_atoms = info.atoms; |
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void Verlet::integrate( void ){ |
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int i, j; /* loop counters */ |
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int calcPot; |
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int calcPot, calcStress; |
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double kE; |
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// the first time integrate is called, the forces need to be initialized |
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myFF->doForces(1,0); |
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myFF->doForces(1,1); |
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if( entry_plug->setTemp ){ |
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tStats->velocitize(); |
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calcPot = 0; |
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if (!strcasecmp( entry_plug->ensemble, "NPT")) { |
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calcStress = 1; |
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} else { |
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calcStress = 0; |
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} |
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if( c_is_constrained ){ |
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for(i = 0; i < n_loops; i++){ |
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if (!strcasecmp( entry_plug->ensemble, "NVT")) |
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myES->NoseHooverNVT( dt , tStats->getKinetic() ); |
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// fill R, V, and F arrays and RATTLE in fortran |
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for( j=0; j<c_natoms; j++ ){ |
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// calculate the forces |
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myFF->doForces(calcPot,0); |
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myFF->doForces(calcPot,calcStress); |
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// finish the constrain move ( same as above. ) |
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Fz[j] = c_atoms[j]->getFz(); |
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} |
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v_constrain_b_( dt, c_natoms, c_mass, Rx, Ry, Rz, Vx, Vy, Vz, |
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Fx, Fy, Fz, |
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kE, c_n_constrained, c_constrained_dsqr, |
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c_atoms[j]->set_vz(Vz[j]); |
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} |
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if (!strcasecmp( entry_plug->ensemble, "NVT")) |
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myES->NoseHooverNVT( dt , tStats->getKinetic() ); |
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if (!strcasecmp( entry_plug->ensemble, "NPT") ) |
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myES->NoseHooverAndersonNPT( dt, |
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tStats->getKinetic(), |
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tStats->getPressure()); |
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time = i + 1; |
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if( entry_plug->setTemp ){ |
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if( !(time % vel_n) ) tStats->velocitize(); |
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} |
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if( !(time % sample_n) ) dump_out->writeDump( time * dt ); |
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if( !((time+1) % status_n) ) calcPot = 1; |
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if( !(time % status_n) ){ e_out->writeStat( time * dt ); calcPot = 0; } |
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if( !((time+1) % status_n) ) { |
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calcPot = 1; |
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// bitwise masking in case we need it for NPT |
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calcStress = (!strcasecmp(entry_plug->ensemble,"NPT")) && 1; |
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} |
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if( !(time % status_n) ){ |
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e_out->writeStat( time * dt ); |
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calcPot = 0; |
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// bitwise masking in case we need it for NPT |
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calcStress = (!strcasecmp(entry_plug->ensemble,"NPT")) && 0; |
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} |
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} |
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} |
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else{ |
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for(i = 0; i < n_loops; i++){ |
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if (!strcasecmp( entry_plug->ensemble, "NVT")) |
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myES->NoseHooverNVT( dt , tStats->getKinetic() ); |
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move_a( dt ); |
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// calculate the forces |
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myFF->doForces(calcPot,0); |
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myFF->doForces(calcPot,calcStress); |
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// complete the verlet move |
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move_b( dt ); |
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if (!strcasecmp( entry_plug->ensemble, "NVT")) |
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myES->NoseHooverNVT( dt , tStats->getKinetic() ); |
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if (!strcasecmp( entry_plug->ensemble, "NPT") ) |
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myES->NoseHooverAndersonNPT( dt, |
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tStats->getKinetic(), |
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tStats->getPressure()); |
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time = i + 1; |
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if( entry_plug->setTemp ){ |
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if( !(time % vel_n) ) tStats->velocitize(); |
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} |
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if( !(time % sample_n) ) dump_out->writeDump( time * dt ); |
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if( !((time+1) % status_n) ) calcPot = 1; |
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if( !(time % status_n) ){ e_out->writeStat( time * dt ); calcPot = 0; } |
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if( !((time+1) % status_n) ) { |
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calcPot = 1; |
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// bitwise masking in case we need it for NPT |
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calcStress = (!strcasecmp(entry_plug->ensemble,"NPT")) && 1; |
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} |
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if( !(time % status_n) ){ |
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e_out->writeStat( time * dt ); |
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calcPot = 0; |
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// bitwise masking in case we need it for NPT |
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calcStress = (!strcasecmp(entry_plug->ensemble,"NPT")) && 0; |
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} |
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} |
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} |
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