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root/OpenMD/trunk/src/brains/SimInfo.cpp
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Comparing trunk/src/brains/SimInfo.cpp (file contents):
Revision 608 by chrisfen, Fri Sep 16 21:07:45 2005 UTC vs.
Revision 701 by chrisfen, Wed Oct 26 23:32:25 2005 UTC

# Line 55 | Line 55
55   #include "UseTheForce/fCutoffPolicy.h"
56   #include "UseTheForce/DarkSide/fElectrostaticSummationMethod.h"
57   #include "UseTheForce/doForces_interface.h"
58 + #include "UseTheForce/DarkSide/electrostatic_interface.h"
59   #include "UseTheForce/notifyCutoffs_interface.h"
60   #include "utils/MemoryUtils.hpp"
61   #include "utils/simError.h"
# Line 82 | Line 83 | namespace oopse {
83        MoleculeStamp* molStamp;
84        int nMolWithSameStamp;
85        int nCutoffAtoms = 0; // number of atoms belong to cutoff groups
86 <      int nGroups = 0;          //total cutoff groups defined in meta-data file
86 >      int nGroups = 0;      //total cutoff groups defined in meta-data file
87        CutoffGroupStamp* cgStamp;    
88        RigidBodyStamp* rbStamp;
89        int nRigidAtoms = 0;
# Line 107 | Line 108 | namespace oopse {
108          }
109  
110          nGroups += nCutoffGroupsInStamp * nMolWithSameStamp;
111 +
112          nCutoffAtoms += nAtomsInGroups * nMolWithSameStamp;            
113  
114          //calculate atoms in rigid bodies
# Line 123 | Line 125 | namespace oopse {
125          
126        }
127  
128 <      //every free atom (atom does not belong to cutoff groups) is a cutoff group
129 <      //therefore the total number of cutoff groups in the system is equal to
130 <      //the total number of atoms minus number of atoms belong to cutoff group defined in meta-data
131 <      //file plus the number of cutoff groups defined in meta-data file
128 >      //every free atom (atom does not belong to cutoff groups) is a cutoff
129 >      //group therefore the total number of cutoff groups in the system is
130 >      //equal to the total number of atoms minus number of atoms belong to
131 >      //cutoff group defined in meta-data file plus the number of cutoff
132 >      //groups defined in meta-data file
133        nGlobalCutoffGroups_ = nGlobalAtoms_ - nCutoffAtoms + nGroups;
134  
135 <      //every free atom (atom does not belong to rigid bodies) is an integrable object
136 <      //therefore the total number of  integrable objects in the system is equal to
137 <      //the total number of atoms minus number of atoms belong to  rigid body defined in meta-data
138 <      //file plus the number of  rigid bodies defined in meta-data file
139 <      nGlobalIntegrableObjects_ = nGlobalAtoms_ - nRigidAtoms + nGlobalRigidBodies_;
140 <
135 >      //every free atom (atom does not belong to rigid bodies) is an
136 >      //integrable object therefore the total number of integrable objects
137 >      //in the system is equal to the total number of atoms minus number of
138 >      //atoms belong to rigid body defined in meta-data file plus the number
139 >      //of rigid bodies defined in meta-data file
140 >      nGlobalIntegrableObjects_ = nGlobalAtoms_ - nRigidAtoms
141 >                                                + nGlobalRigidBodies_;
142 >  
143        nGlobalMols_ = molStampIds_.size();
144  
145   #ifdef IS_MPI    
# Line 521 | Line 526 | namespace oopse {
526      int useDirectionalAtom = 0;    
527      int useElectrostatics = 0;
528      //usePBC and useRF are from simParams
529 <    int usePBC = simParams_->getPBC();
529 >    int usePBC = simParams_->getUsePeriodicBoundaryConditions();
530 >    int useRF;
531 >    std::string myMethod;
532  
533 +    // set the useRF logical
534 +    useRF = 0;
535 +
536 +
537 +    if (simParams_->haveElectrostaticSummationMethod()) {
538 +      std::string myMethod = simParams_->getElectrostaticSummationMethod();
539 +      toUpper(myMethod);
540 +      if (myMethod == "REACTION_FIELD") {
541 +        useRF=1;
542 +      }
543 +    }
544 +
545      //loop over all of the atom types
546      for (i = atomTypes.begin(); i != atomTypes.end(); ++i) {
547        useLennardJones |= (*i)->isLennardJones();
# Line 584 | Line 603 | namespace oopse {
603      temp = useFLARB;
604      MPI_Allreduce(&temp, &useFLARB, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
605  
606 +    temp = useRF;
607 +    MPI_Allreduce(&temp, &useRF, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
608 +
609   #endif
610  
611      fInfo_.SIM_uses_PBC = usePBC;    
# Line 598 | Line 620 | namespace oopse {
620      fInfo_.SIM_uses_EAM = useEAM;
621      fInfo_.SIM_uses_Shapes = useShape;
622      fInfo_.SIM_uses_FLARB = useFLARB;
623 +    fInfo_.SIM_uses_RF = useRF;
624  
625 <    if( fInfo_.SIM_uses_Dipoles && fInfo_.SIM_uses_RF) {
626 <
625 >    if( myMethod == "REACTION_FIELD") {
626 >      
627        if (simParams_->haveDielectric()) {
628          fInfo_.dielect = simParams_->getDielectric();
629        } else {
# Line 610 | Line 633 | namespace oopse {
633                  "\tsetting a dielectric constant!\n");
634          painCave.isFatal = 1;
635          simError();
636 <      }
614 <        
615 <    } else {
616 <      fInfo_.dielect = 0.0;
636 >      }      
637      }
618 –
638    }
639  
640    void SimInfo::setupFortranSim() {
# Line 649 | Line 668 | namespace oopse {
668  
669          totalMass = cg->getMass();
670          for(atom = cg->beginAtom(ai); atom != NULL; atom = cg->nextAtom(ai)) {
671 <          mfact.push_back(atom->getMass()/totalMass);
671 >          // Check for massless groups - set mfact to 1 if true
672 >          if (totalMass != 0)
673 >            mfact.push_back(atom->getMass()/totalMass);
674 >          else
675 >            mfact.push_back( 1.0 );
676          }
677  
678        }      
# Line 785 | Line 808 | namespace oopse {
808      
809      if (fInfo_.SIM_uses_Charges | fInfo_.SIM_uses_Dipoles | fInfo_.SIM_uses_RF) {
810          
811 <      if (!simParams_->haveRcut()){
811 >      if (!simParams_->haveCutoffRadius()){
812          sprintf(painCave.errMsg,
813                  "SimCreator Warning: No value was set for the cutoffRadius.\n"
814                  "\tOOPSE will use a default value of 15.0 angstroms"
# Line 794 | Line 817 | namespace oopse {
817          simError();
818          rcut = 15.0;
819        } else{
820 <        rcut = simParams_->getRcut();
820 >        rcut = simParams_->getCutoffRadius();
821        }
822  
823 <      if (!simParams_->haveRsw()){
823 >      if (!simParams_->haveSwitchingRadius()){
824          sprintf(painCave.errMsg,
825                  "SimCreator Warning: No value was set for switchingRadius.\n"
826                  "\tOOPSE will use a default value of\n"
827 <                "\t0.95 * cutoffRadius for the switchingRadius\n");
827 >                "\t0.85 * cutoffRadius for the switchingRadius\n");
828          painCave.isFatal = 0;
829          simError();
830 <        rsw = 0.95 * rcut;
830 >        rsw = 0.85 * rcut;
831        } else{
832 <        rsw = simParams_->getRsw();
832 >        rsw = simParams_->getSwitchingRadius();
833        }
834  
835      } else {
836        // if charge, dipole or reaction field is not used and the cutofff radius is not specified in
837        //meta-data file, the maximum cutoff radius calculated from forcefiled will be used
838          
839 <      if (simParams_->haveRcut()) {
840 <        rcut = simParams_->getRcut();
839 >      if (simParams_->haveCutoffRadius()) {
840 >        rcut = simParams_->getCutoffRadius();
841        } else {
842          //set cutoff radius to the maximum cutoff radius based on atom types in the whole system
843          rcut = calcMaxCutoffRadius();
844        }
845  
846 <      if (simParams_->haveRsw()) {
847 <        rsw  = simParams_->getRsw();
846 >      if (simParams_->haveSwitchingRadius()) {
847 >        rsw  = simParams_->getSwitchingRadius();
848        } else {
849          rsw = rcut;
850        }
# Line 838 | Line 861 | namespace oopse {
861      int cp =  TRADITIONAL_CUTOFF_POLICY;
862      if (simParams_->haveCutoffPolicy()) {
863        std::string myPolicy = simParams_->getCutoffPolicy();
864 +      toUpper(myPolicy);
865        if (myPolicy == "MIX") {
866          cp = MIX_CUTOFF_POLICY;
867        } else {
# Line 856 | Line 880 | namespace oopse {
880          }          
881        }
882      }
883 +
884 +
885 +    if (simParams_->haveSkinThickness()) {
886 +      double skinThickness = simParams_->getSkinThickness();
887 +    }
888 +
889      notifyFortranCutoffs(&rcut_, &rsw_, &rnblist, &cp);
890 +    // also send cutoff notification to electrostatics
891 +    setElectrostaticCutoffRadius(&rcut_, &rsw_);
892    }
893  
894    void SimInfo::setupElectrostaticSummationMethod( int isError ) {    
# Line 864 | Line 896 | namespace oopse {
896      int errorOut;
897      int esm =  NONE;
898      double alphaVal;
899 +    double dielectric;
900  
901      errorOut = isError;
902 +    alphaVal = simParams_->getDampingAlpha();
903 +    dielectric = simParams_->getDielectric();
904  
905      if (simParams_->haveElectrostaticSummationMethod()) {
906        std::string myMethod = simParams_->getElectrostaticSummationMethod();
907 +      toUpper(myMethod);
908        if (myMethod == "NONE") {
909          esm = NONE;
910        } else {
# Line 880 | Line 916 | namespace oopse {
916              if (!simParams_->haveDampingAlpha()) {
917                //throw error
918                sprintf( painCave.errMsg,
919 <                       "SimInfo warning: dampingAlpha was not specified in the input file. A default value of %f (1/ang) will be used for the Damped Wolf Method.", simParams_->getDampingAlpha());
919 >                       "SimInfo warning: dampingAlpha was not specified in the input file. A default value of %f (1/ang) will be used for the Damped Wolf Method.", alphaVal);
920                painCave.isFatal = 0;
921                simError();
922              }
887 –            alphaVal = simParams_->getDampingAlpha();
923            } else {
924 <            if (myMethod == "REACTION_FIELD") {
924 >            if (myMethod == "REACTION_FIELD") {      
925                esm = REACTION_FIELD;
926              } else {
927                // throw error        
# Line 899 | Line 934 | namespace oopse {
934          }
935        }
936      }
937 <    initFortranFF( &esm, &alphaVal, &errorOut );
937 >    // let's pass some summation method variables to fortran
938 >    setElectrostaticSummationMethod( &esm );
939 >    setDampedWolfAlpha( &alphaVal );
940 >    setReactionFieldDielectric( &dielectric );
941 >    initFortranFF( &esm, &errorOut );
942    }
943  
944    void SimInfo::addProperty(GenericData* genData) {

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