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upml extension: added support for cylindrical multigrid meshes

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This commit is contained in:
Thorsten Liebig 2010-10-04 16:50:59 +02:00
parent 66c79aabe6
commit 6c00a844d2
2 changed files with 54 additions and 5 deletions
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52
FDTD/operator_ext_upml.cpp
View File

@ -16,7 +16,7 @@
*/ */
#include "operator_ext_upml.h" #include "operator_ext_upml.h"
#include "operator_cylinder.h" #include "operator_cylindermultigrid.h"
#include "engine_ext_upml.h" #include "engine_ext_upml.h"
#include "tools/array_ops.h" #include "tools/array_ops.h"
#include "fparser.hh" #include "fparser.hh"
@ -53,7 +53,7 @@ Operator_Ext_UPML::~Operator_Ext_UPML()
DeleteOp(); DeleteOp();
} }
void Operator_Ext_UPML::SetBoundaryCondition(int* BCs, unsigned int size[6]) void Operator_Ext_UPML::SetBoundaryCondition(const int* BCs, const unsigned int size[6])
{ {
for (int n=0;n<6;++n) for (int n=0;n<6;++n)
{ {
@ -71,8 +71,11 @@ void Operator_Ext_UPML::SetRange(const unsigned int start[3], const unsigned int
} }
} }
bool Operator_Ext_UPML::Create_UPML(Operator* op, int BC[6], unsigned int size[6], string gradFunc) bool Operator_Ext_UPML::Create_UPML(Operator* op, const int ui_BC[6], const unsigned int ui_size[6], string gradFunc)
{ {
int BC[6]={ui_BC[0],ui_BC[1],ui_BC[2],ui_BC[3],ui_BC[4],ui_BC[5]};
unsigned int size[6]={ui_size[0],ui_size[1],ui_size[2],ui_size[3],ui_size[4],ui_size[5]};
//check if mesh is large enough to support the pml //check if mesh is large enough to support the pml
for (int n=0;n<3;++n) for (int n=0;n<3;++n)
if ( (size[2*n]*(BC[2*n]==3)+size[2*n+1]*(BC[2*n+1]==3)) >= op->GetOriginalNumLines(n) ) if ( (size[2*n]*(BC[2*n]==3)+size[2*n+1]*(BC[2*n+1]==3)) >= op->GetOriginalNumLines(n) )
@ -163,6 +166,11 @@ bool Operator_Ext_UPML::Create_UPML(Operator* op, int BC[6], unsigned int size[6
start[1]=(size[2]+1)*(BC[2]==3); start[1]=(size[2]+1)*(BC[2]==3);
stop[1] =op->GetOriginalNumLines(1)-1-(size[3]+1)*(BC[3]==3); stop[1] =op->GetOriginalNumLines(1)-1-(size[3]+1)*(BC[3]==3);
//exclude x-lines that does not belong to the base multi-grid operator;
Operator_CylinderMultiGrid* op_cyl_MG = dynamic_cast<Operator_CylinderMultiGrid*>(op);
if (op_cyl_MG)
start[0] = op_cyl_MG->GetSplitPos()-1;
if (BC[4]==3) if (BC[4]==3)
{ {
op_ext_upml = new Operator_Ext_UPML(op); op_ext_upml = new Operator_Ext_UPML(op);
@ -184,6 +192,44 @@ bool Operator_Ext_UPML::Create_UPML(Operator* op, int BC[6], unsigned int size[6
op->AddExtension(op_ext_upml); op->AddExtension(op_ext_upml);
} }
BC[1]=0;
size[1]=0;
//create pml extensions (in z-direction only) for child operators in cylindrical multigrid operators
while (op_cyl_MG)
{
Operator_Cylinder* op_child = op_cyl_MG->GetInnerOperator();
op_cyl_MG = dynamic_cast<Operator_CylinderMultiGrid*>(op_child);
for (int n=0;n<2;++n)
{
start[n]=0;
stop[n]=op_child->GetOriginalNumLines(n)-1;
}
if (op_cyl_MG)
start[0] = op_cyl_MG->GetSplitPos()-1;
if (BC[4]==3)
{
op_ext_upml = new Operator_Ext_UPML(op_child);
op_ext_upml->SetGradingFunction(gradFunc);
start[2]=0;
stop[2] =size[4];
op_ext_upml->SetBoundaryCondition(BC, size);
op_ext_upml->SetRange(start,stop);
op_child->AddExtension(op_ext_upml);
}
if (BC[5]==3)
{
op_ext_upml = new Operator_Ext_UPML(op_child);
op_ext_upml->SetGradingFunction(gradFunc);
start[2]=op->GetOriginalNumLines(2)-1-size[5];
stop[2] =op->GetOriginalNumLines(2)-1;
op_ext_upml->SetBoundaryCondition(BC, size);
op_ext_upml->SetRange(start,stop);
op_child->AddExtension(op_ext_upml);
}
}
return true; return true;
} }

7
FDTD/operator_ext_upml.h
View File

@ -38,7 +38,10 @@ public:
//! Returns always true, Create_UPML method will take care of creating a valid pml for the cylindrical fdtd //! Returns always true, Create_UPML method will take care of creating a valid pml for the cylindrical fdtd
virtual bool IsCylinderCoordsSave() const {return true;} virtual bool IsCylinderCoordsSave() const {return true;}
void SetBoundaryCondition(int* BCs, unsigned int size[6]); //! Returns always true if base grid, Create_UPML will create proper child pml extensions.
virtual bool IsCylindricalMultiGridSave(bool child) const {if (child) return false; return true;}
void SetBoundaryCondition(const int* BCs, const unsigned int size[6]);
void SetRange(const unsigned int start[3], const unsigned int stop[3]); void SetRange(const unsigned int start[3], const unsigned int stop[3]);
@ -66,7 +69,7 @@ public:
virtual void ShowStat(ostream &ostr) const; virtual void ShowStat(ostream &ostr) const;
//! Create the UPML //! Create the UPML
static bool Create_UPML(Operator* op, int BC[6], unsigned int size[6], string gradFunc); static bool Create_UPML(Operator* op, const int ui_BC[6], const unsigned int ui_size[6], const string gradFunc);
protected: protected:
Operator_Ext_UPML(Operator* op); Operator_Ext_UPML(Operator* op);