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allow boundary conditions strings e.g. "PEC" "PMC" or "PML_8"

pull/1/head
Thorsten Liebig 2010-07-30 15:28:15 +02:00
parent 3d1c7f22b9
commit e85f8ef8b7
4 changed files with 60 additions and 24 deletions
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4
FDTD/operator_ext_pml_sf.cpp
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@ -21,7 +21,7 @@
#include "tools/array_ops.h"
bool Build_Split_Field_PML(Operator* op, int BC[6])
bool Build_Split_Field_PML(Operator* op, int BC[6], int size[6])
{
for (int n=0;n<6;++n)
{
@ -30,7 +30,7 @@ bool Build_Split_Field_PML(Operator* op, int BC[6])
cerr << "Build_Split_Field_PML:: Warning, currently only pml planes are implemented... edges and corner coming soon..." << endl;
Operator_Ext_PML_SF_Plane* op_pml_sf = new Operator_Ext_PML_SF_Plane(op);
op_pml_sf->SetDirection(n/2,n%2);
op_pml_sf->SetPMLLength(8);
op_pml_sf->SetPMLLength(size[n]);
op_pml_sf->SetBoundaryCondition(BC);
op->AddExtension(op_pml_sf);
}

2
FDTD/operator_ext_pml_sf.h
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@ -22,7 +22,7 @@
#include "operator_extension.h"
//! Insert split field pml planes, edges and corner as necessary by the given boundary conditions
bool Build_Split_Field_PML(Operator* op, int BC[6]);
bool Build_Split_Field_PML(Operator* op, int BC[6], int size[6]);
//! This is the abstract operator extension for truncating the FDTD domain with a split field pml
class Operator_Ext_PML_SF : public Operator_Extension

75
openems.cpp
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@ -153,11 +153,63 @@ bool openEMS::parseCommandLineArgument( const char *argv )
return false;
}
bool openEMS::SetupBoundaryConditions(TiXmlElement* BC)
{
int EC; //error code of tinyxml
int bounds[6] = {0,0,0,0,0,0}; //default boundary cond. (PEC)
int pml_size[6] = {8,8,8,8,8,8}; //default pml size
string s_bc;
string bound_names[] = {"xmin","xmax","ymin","ymax","zmin","zmax"};
for (int n=0;n<6;++n)
{
EC = BC->QueryIntAttribute(bound_names[n].c_str(),&bounds[n]);
if (EC==TIXML_SUCCESS)
continue;
if (EC==TIXML_WRONG_TYPE)
{
s_bc = string(BC->Attribute(bound_names[n].c_str()));
if (s_bc=="PEC")
bounds[n] = 0;
else if (s_bc=="PMC")
bounds[n] = 1;
else if (s_bc=="MUR")
bounds[n] = 2;
else if(strncmp(s_bc.c_str(),"PML_=",4)==0)
{
bounds[n] = 3;
pml_size[n] = atoi(s_bc.c_str()+4);
}
else
cerr << "openEMS::SetupBoundaryConditions: Warning, boundary condition for \"" << bound_names[n] << "\" unknown... set to PEC " << endl;
}
else
cerr << "openEMS::SetupBoundaryConditions: Warning, boundary condition for \"" << bound_names[n] << "\" not found... set to PEC " << endl;
}
FDTD_Op->SetBoundaryCondition(bounds); //operator only knows about PEC and PMC, everything else is defined by extensions (see below)
/**************************** create all operator/engine extensions here !!!! **********************************/
//Mur-ABC, defined as extension to the operator
for (int n=0;n<6;++n)
{
if (bounds[n]==2) //Mur-ABC
{
Operator_Ext_Mur_ABC* op_ext_mur = new Operator_Ext_Mur_ABC(FDTD_Op);
op_ext_mur->SetDirection(n/2,n%2);
FDTD_Op->AddExtension(op_ext_mur);
}
}
Build_Split_Field_PML(FDTD_Op,bounds,pml_size);
return true;
}
int openEMS::SetupFDTD(const char* file)
{
if (file==NULL) return -1;
Reset();
int bounds[6];
timeval startTime;
gettimeofday(&startTime,NULL);
@ -218,12 +270,6 @@ int openEMS::SetupFDTD(const char* file)
cerr << "Can't read openEMS boundary cond Settings... " << endl;
exit(-3);
}
BC->QueryIntAttribute("xmin",&bounds[0]);
BC->QueryIntAttribute("xmax",&bounds[1]);
BC->QueryIntAttribute("ymin",&bounds[2]);
BC->QueryIntAttribute("ymax",&bounds[3]);
BC->QueryIntAttribute("zmin",&bounds[4]);
BC->QueryIntAttribute("zmax",&bounds[5]);
cout << "Read Geometry..." << endl;
ContinuousStructure CSX;
@ -262,20 +308,7 @@ int openEMS::SetupFDTD(const char* file)
if (FDTD_Op->SetGeometryCSX(&CSX)==false) return(2);
FDTD_Op->SetBoundaryCondition(bounds); //operator only knows about PEC and PMC, everything else is defined by extensions (see below)
/**************************** create all operator/engine extensions here !!!! **********************************/
//Mur-ABC, defined as extension to the operator
for (int n=0;n<6;++n)
{
if (bounds[n]==2) //Mur-ABC
{
Operator_Ext_Mur_ABC* op_ext_mur = new Operator_Ext_Mur_ABC(FDTD_Op);
op_ext_mur->SetDirection(n/2,n%2);
FDTD_Op->AddExtension(op_ext_mur);
}
}
Build_Split_Field_PML(FDTD_Op,bounds);
SetupBoundaryConditions(BC);
if (CSX.GetQtyPropertyType(CSProperties::LORENTZMATERIAL)>0)
FDTD_Op->AddExtension(new Operator_Ext_LorentzMaterial(FDTD_Op));

3
openems.h
View File

@ -63,6 +63,9 @@ protected:
enum EngineType {EngineType_Standard, EngineType_SSE, EngineType_SSE_Compressed, EngineType_Multithreaded};
EngineType m_engine;
unsigned int m_engine_numThreads;
//! Read boundary conditions from xml element and apply to FDTD operator
bool SetupBoundaryConditions(TiXmlElement* BC);
};
#endif // OPENEMS_H