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LIGGGHTS-PFM/src/cfd_datacoupling.cpp
ckloss 7bf7803443 release on 2012-07-13_16-52-57
2012-07-13 16:52:58 +02:00

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/* ----------------------------------------------------------------------
LIGGGHTS - LAMMPS Improved for General Granular and Granular Heat
Transfer Simulations
LIGGGHTS is part of the CFDEMproject
www.liggghts.com | www.cfdem.com
Christoph Kloss, christoph.kloss@cfdem.com
Copyright 2009-2012 JKU Linz
Copyright 2012- DCS Computing GmbH, Linz
LIGGGHTS is based on LAMMPS
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
This software is distributed under the GNU General Public License.
See the README file in the top-level directory.
------------------------------------------------------------------------- */
#include "math.h"
#include "stdlib.h"
#include "string.h"
#include "atom.h"
#include "modify.h"
#include "memory.h"
#include "error.h"
#include "comm.h"
#include "cfd_datacoupling.h"
#include "fix_cfd_coupling.h"
#include "fix_multisphere.h"
#include "multisphere.h"
#include "fix_property_atom.h"
#include "fix_property_global.h"
using namespace LAMMPS_NS;
#define MAXLENGTH 30
/* ---------------------------------------------------------------------- */
CfdDatacoupling::CfdDatacoupling(class LAMMPS *lmp, int jarg,int narg, char **arg,FixCfdCoupling* fc) :
Pointers(lmp)
{
iarg_ = jarg;
this->fc_ = fc_;
is_parallel = true;
npull_ = 0;
npush_ = 0;
nvalues_max_ = 0;
pullnames_ = NULL;
pulltypes_ = NULL;
pushnames_ = NULL;
pushtypes_ = NULL;
pushinvoked_ = NULL;
pullinvoked_ = NULL;
grow_();
}
/* ---------------------------------------------------------------------- */
CfdDatacoupling::~CfdDatacoupling()
{
memory->destroy(pullnames_);
memory->destroy(pulltypes_);
memory->destroy(pushnames_);
memory->destroy(pushtypes_);
}
/* ---------------------------------------------------------------------- */
void CfdDatacoupling::init()
{
// multisphere - can be NULL
FixMultisphere *fix_multisphere;
fix_multisphere = static_cast<FixMultisphere*>(modify->find_fix_style_strict("rigid/multisphere",0));
if(!fix_multisphere)
ms_data_ = NULL;
else
ms_data_ = &fix_multisphere->data();
// empty list of requested properties
// models do their init afterwards so list will be filled
for(int i = 0; i < nvalues_max_; i++)
pushinvoked_[i] = pullinvoked_[i] = 0;
}
/* ---------------------------------------------------------------------- */
void CfdDatacoupling::grow_()
{
nvalues_max_ +=10;
memory->grow(pullnames_,nvalues_max_,MAXLENGTH,"FixCfdCoupling:valnames");
memory->grow(pulltypes_,nvalues_max_,MAXLENGTH,"FixCfdCoupling:valtypes");
memory->grow(pushinvoked_,MAXLENGTH,"FixCfdCoupling:pushinvoked_");
memory->grow(pushnames_,nvalues_max_,MAXLENGTH,"FixCfdCoupling:pushnames_");
memory->grow(pushtypes_,nvalues_max_,MAXLENGTH,"FixCfdCoupling:pushtypes_");
memory->grow(pullinvoked_,MAXLENGTH,"FixCfdCoupling:pullinvoked_");
}
/* ----------------------------------------------------------------------
pull property from other code
------------------------------------------------------------------------- */
void CfdDatacoupling::pull(char *name,char *type,void *&ptr,char *datatype)
{
// for MPI this is called by the library interface
// check if the requested property was registered by a LIGGGHTS model
// ie this checks if the model settings of OF and LIGGGHTS fit together
int found = 0;
for(int i = 0; i < npull_; i++)
{
// both name and type matches - ok
if(strcmp(name,pullnames_[i]) == 0 && strcmp(type,pulltypes_[i]) == 0)
{
found = 1;
pullinvoked_[i] = 1;
}
// name matches, but type not
else if(strcmp(name,pullnames_[i]) == 0)
{
if(comm->me == 0 && screen)
fprintf(screen,"LIGGGHTS could find property %s requested by calling program, type %s is requested, but type set in LIGGGHTS is %s?\n",
name,type,pulltypes_[i]);
error->all(FLERR,"This error is fatal");
}
}
if(!found)
{
if(comm->me == 0 && screen)
fprintf(screen,"LIGGGHTS could not find property %s requested by calling program. Check your model settings in LIGGGHTS.\n",name);
error->all(FLERR,"This error is fatal");
}
}
/* ----------------------------------------------------------------------
push property to other code
------------------------------------------------------------------------- */
void CfdDatacoupling::push(char *name,char *type,void *&ptr,char *datatype)
{
// for MPI this is called by the library interface
// check if the requested property was registered by a LIGGGHTS model
// ie this checks if the model settings of OF and LIGGGHTS fit together
int found = 0;
for(int i = 0; i < npush_; i++)
{
if(strcmp(name,pushnames_[i]) == 0 && strcmp(type,pushtypes_[i]) == 0)
{
found = 1;
pushinvoked_[i] = 1;
}
// name matches, but type not
else if(strcmp(name,pushnames_[i]) == 0)
{
if(comm->me == 0 && screen)
fprintf(screen,"LIGGGHTS could find property %s requested by calling program, but type %s is wrong, did you mean %s?\n",
name,type,pushtypes_[i]);
error->all(FLERR,"This error is fatal");
}
}
if(!found)
{
if(comm->me == 0 && screen)
fprintf(screen,"LIGGGHTS could not find property %s requested by calling program. Check your model settings in LIGGGHTS.\n",name);
lmp->error->all(FLERR,"This error is fatal");
}
}
/* ----------------------------------------------------------------------
check if all properties that were requested are actually communicated
------------------------------------------------------------------------- */
void CfdDatacoupling::check_datatransfer()
{
for(int i = 0; i < npull_; i++)
{
if(!pullinvoked_[i])
{
if(comm->me == 0 && screen)
fprintf(screen,"Communication of property %s from OF to LIGGGHTS was not invoked, but needed by "
"a LIGGGHTS model. Check your model settings in OF.\n",pullnames_[i]);
lmp->error->all(FLERR,"This error is fatal");
}
}
for(int i = 0; i < npush_; i++)
{
if(!pushinvoked_[i])
{
if(comm->me == 0 && screen)
fprintf(screen,"Communication of property %s from LIGGGHTS to OF was not invoked, but needed by "
"a LIGGGHTS model. Check your model settings in OF.\n",pushnames_[i]);
lmp->error->all(FLERR,"This error is fatal");
}
}
}
/* ----------------------------------------------------------------------
request a property to be pulled. called by models that implement physics
------------------------------------------------------------------------- */
void CfdDatacoupling::add_pull_property(char *name,char *type)
{
if(strlen(name) >= MAXLENGTH) error->all(FLERR,"Fix couple/cfd: Maximum string length for a variable exceeded");
if(npull_ >= nvalues_max_) grow_();
for(int i = 0; i < npull_; i++)
{
if(strcmp(pullnames_[i],name) == 0 && strcmp(pulltypes_[i],type) == 0)
return;
if(strcmp(pullnames_[i],name) == 0 && strcmp(pulltypes_[i],type))
error->all(FLERR,"Properties added via CfdDatacoupling::add_pull_property are inconsistent");
}
strcpy(pullnames_[npull_],name);
strcpy(pulltypes_[npull_],type);
npull_++;
}
/* ----------------------------------------------------------------------
request a property to be pushed. called by models that implement physics
------------------------------------------------------------------------- */
void CfdDatacoupling::add_push_property(char *name,char *type)
{
if(strlen(name) >= MAXLENGTH)
error->all(FLERR,"Fix couple/cfd: Maximum string length for a variable exceeded");
if(npush_ >= nvalues_max_) grow_();
for(int i = 0; i < npush_; i++)
{
if(strcmp(pushnames_[i],name) == 0 && strcmp(pushtypes_[i],type) == 0)
return;
if(strcmp(pushnames_[i],name) == 0 && strcmp(pushtypes_[i],type))
error->all(FLERR,"Properties added via CfdDatacoupling::add_push_property are inconsistent");
}
strcpy(pushnames_[npush_],name);
strcpy(pushtypes_[npush_],type);
npush_++;
}
/* ---------------------------------------------------------------------- */
void* CfdDatacoupling::find_pull_property(char *name,char *type,int &len1,int &len2)
{
return find_property(0,name,type,len1,len2);
}
/* ---------------------------------------------------------------------- */
void* CfdDatacoupling::find_push_property(char *name,char *type,int &len1,int &len2)
{
return find_property(1,name,type,len1,len2);
}
/* ----------------------------------------------------------------------
find a property that was requested
called from data exchange model
property may come from atom class, from a fix property, or fix rigid
last 2 args are the data length and are used for all data
------------------------------------------------------------------------- */
void* CfdDatacoupling::find_property(int push,char *name,char *type,int &len1,int &len2)
{
/*NL*/ //fprintf(screen,"find_property called for %s, var %s, type %s\n",push==1?"push":"pull",name,type);
void *ptr = NULL;
int flag = 0;
// possiblility 1
// may be atom property - look up in atom class
ptr = atom->extract(name,len2);
// if nlocal == 0 and property found atom->extract return NULL and len2 >= 0
if(ptr || len2 >= 0)
{
len1 = atom->tag_max();
// check if length correct
if((strcmp(type,"scalar-atom") == 0) && (len2 != 1) || (strcmp(type,"vector-atom") == 0) && (len2 != 3))
return NULL;
return ptr;
}
// possiblility 2
// may come from a fix rigid/multisphere
// also handles scalar-multisphere and vector-multisphere
if(ms_data_)
{
ptr = ms_data_->extract(name,len1,len2);
if((strcmp(type,"scalar-multisphere") == 0) && (len2 != 1) || (strcmp(type,"vector-multisphere") == 0) && (len2 != 3))
return NULL;
if(ptr || (len1 >= 0) && (len2 >= 0))
return ptr;
}
// possiblility 3
// may be fix property per atom - look up in modify class
Fix *fix = NULL;
if(strcmp(type,"scalar-atom") == 0)
{
fix = modify->find_fix_property(name,"property/atom","scalar",0,0,"cfd coupling",false);
if(fix)
{
len1 = atom->tag_max();
len2 = 1;
return (void*) static_cast<FixPropertyAtom*>(fix)->vector_atom;
}
}
else if(strcmp(type,"vector-atom") == 0)
{
fix = modify->find_fix_property(name,"property/atom","vector",0,0,"cfd coupling",false);
if(fix)
{
len1 = atom->tag_max();
len2 = 3;
return (void*) static_cast<FixPropertyAtom*>(fix)->array_atom;
}
}
else if(strcmp(type,"scalar-global") == 0)
{
fix = modify->find_fix_property(name,"property/global","scalar",0,0,"cfd coupling",false);
len1 = len2 = 1;
if(fix) return (void*) static_cast<FixPropertyGlobal*>(fix)->values;
}
else if(strcmp(type,"vector-global") == 0)
{
fix = modify->find_fix_property(name,"property/global","vector",0,0,"cfd coupling",false);
if(fix)
{
len1 = static_cast<FixPropertyGlobal*>(fix)->nvalues;
len2 = 1;
return (void*) static_cast<FixPropertyGlobal*>(fix)->values;
}
}
else if(strcmp(type,"matrix-global") == 0)
{
fix = modify->find_fix_property(name,"property/global","matrix",0,0,"cfd coupling",false);
if(fix)
{
len1 = static_cast<FixPropertyGlobal*>(fix)->size_array_rows;
len2 = static_cast<FixPropertyGlobal*>(fix)->size_array_cols;
return (void*) static_cast<FixPropertyGlobal*>(fix)->array;
}
}
return NULL;
}
/* ---------------------------------------------------------------------- */
void CfdDatacoupling::allocate_external(int **&data, int len2,int len1,int initvalue)
{
error->all(FLERR,"CFD datacoupling setting used in LIGGGHTS is incompatible with setting in OF");
}
/* ---------------------------------------------------------------------- */
void CfdDatacoupling::allocate_external(double **&data, int len2,int len1,double initvalue)
{
error->all(FLERR,"CFD datacoupling setting used in LIGGGHTS is incompatible with setting in OF");
}
/* ---------------------------------------------------------------------- */
void CfdDatacoupling::allocate_external(int **&data, int len2,char *keyword,int initvalue)
{
error->all(FLERR,"CFD datacoupling setting used in LIGGGHTS is incompatible with setting in OF");
}
/* ---------------------------------------------------------------------- */
void CfdDatacoupling::allocate_external(double **&data, int len2,char *keyword,double initvalue)
{
error->all(FLERR,"CFD datacoupling setting used in LIGGGHTS is incompatible with setting in OF");
}
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