189 lines
6.8 KiB
C++
189 lines
6.8 KiB
C++
/*
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* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "processfields_td.h"
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#include <iomanip>
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#include <sstream>
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#include <string>
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ProcessFieldsTD::ProcessFieldsTD(Operator* op, Engine* eng) : ProcessFields(op, eng)
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{
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pad_length = 8;
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}
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ProcessFieldsTD::~ProcessFieldsTD()
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{
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}
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void ProcessFieldsTD::DumpCellInterpol(ofstream &file)
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{
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FDTD_FLOAT**** volt = Eng->GetVoltages();
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FDTD_FLOAT**** curr = Eng->GetCurrents();
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if (DumpType==0)
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{
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//create array
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FDTD_FLOAT**** E_T = Create_N_3DArray(numDLines);
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unsigned int pos[3] = {start[0],start[1],start[2]};
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unsigned int OpPos[3];
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double delta;
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// cerr << "processing e-fields... " << endl;
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for (pos[0]=0;pos[0]<numDLines[0];++pos[0])
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{
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OpPos[0]=start[0]+pos[0];
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for (pos[1]=0;pos[1]<numDLines[1];++pos[1])
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{
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OpPos[1]=start[1]+pos[1];
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for (pos[2]=0;pos[2]<numDLines[2];++pos[2])
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{
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OpPos[2]=start[2]+pos[2];
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//in x
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delta = Op->discLines[0][OpPos[0]+1] - Op->discLines[0][OpPos[0]];
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E_T[0][pos[0]][pos[1]][pos[2]] = volt[0][OpPos[0]][OpPos[1]][OpPos[2]] + volt[0][OpPos[0]][OpPos[1]+1][OpPos[2]] + volt[0][OpPos[0]][OpPos[1]][OpPos[2]+1] + volt[0][OpPos[0]][OpPos[1]+1][OpPos[2]+1];
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E_T[0][pos[0]][pos[1]][pos[2]] /= (4*delta*Op->gridDelta);
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//in y
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delta = Op->discLines[1][OpPos[1]+1] - Op->discLines[1][OpPos[1]];
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E_T[1][pos[0]][pos[1]][pos[2]] = volt[1][OpPos[0]][OpPos[1]][OpPos[2]] + volt[1][OpPos[0]+1][OpPos[1]][OpPos[2]] + volt[1][OpPos[0]][OpPos[1]][OpPos[2]+1] + volt[1][OpPos[0]+1][OpPos[1]][OpPos[2]+1];
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E_T[1][pos[0]][pos[1]][pos[2]] /= (4*delta*Op->gridDelta);
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//in z
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delta = Op->discLines[2][OpPos[2]+1] - Op->discLines[2][OpPos[2]];
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E_T[2][pos[0]][pos[1]][pos[2]] = volt[2][OpPos[0]][OpPos[1]][OpPos[2]] + volt[2][OpPos[0]][OpPos[1]+1][OpPos[2]] + volt[2][OpPos[0]+1][OpPos[1]][OpPos[2]] + volt[2][OpPos[0]+1][OpPos[1]+1][OpPos[2]];
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E_T[2][pos[0]][pos[1]][pos[2]] /= (4*delta*Op->gridDelta);
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}
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}
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}
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DumpVectorArray2VTK(file,string("E-Field"),E_T,discDLines,numDLines);
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Delete_N_3DArray(E_T,numDLines);
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E_T = NULL;
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}
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if (DumpType==1)
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{
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//create array
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FDTD_FLOAT**** H_T = Create_N_3DArray(numDLines);
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unsigned int pos[3] = {start[0],start[1],start[2]};
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unsigned int OpPos[3];
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double delta;
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// cerr << "processing h-fields... " << endl;
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for (pos[0]=0;pos[0]<numDLines[0];++pos[0])
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{
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OpPos[0]=start[0]+pos[0];
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for (pos[1]=0;pos[1]<numDLines[1];++pos[1])
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{
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OpPos[1]=start[1]+pos[1];
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for (pos[2]=0;pos[2]<numDLines[2];++pos[2])
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{
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OpPos[2]=start[2]+pos[2];
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//in x
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if (OpPos[0]==0) delta = Op->discLines[0][OpPos[0]+1] - Op->discLines[0][OpPos[0]];
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else delta = 0.5* (Op->discLines[0][OpPos[0]+1] - Op->discLines[0][OpPos[0]-1]);
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H_T[0][pos[0]][pos[1]][pos[2]] = curr[0][OpPos[0]][OpPos[1]][OpPos[2]] + curr[0][OpPos[0]+1][OpPos[1]][OpPos[2]];
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H_T[0][pos[0]][pos[1]][pos[2]] /= (2*delta*Op->gridDelta);
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//in y
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delta = Op->discLines[1][OpPos[1]+1] - Op->discLines[1][OpPos[1]];
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H_T[1][pos[0]][pos[1]][pos[2]] = curr[1][OpPos[0]][OpPos[1]][OpPos[2]] + curr[1][OpPos[0]][OpPos[1]+1][OpPos[2]];
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H_T[1][pos[0]][pos[1]][pos[2]] /= (2*delta*Op->gridDelta);
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//in z
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delta = Op->discLines[2][OpPos[2]+1] - Op->discLines[2][OpPos[2]];
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H_T[2][pos[0]][pos[1]][pos[2]] = curr[2][OpPos[0]][OpPos[1]][OpPos[2]] + curr[2][OpPos[0]][OpPos[1]][OpPos[2]+1];
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H_T[2][pos[0]][pos[1]][pos[2]] /= (2*delta*Op->gridDelta);
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}
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}
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}
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DumpVectorArray2VTK(file,string("H-Field"),H_T,discDLines,numDLines);
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Delete_N_3DArray(H_T,numDLines);
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H_T = NULL;
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}
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}
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void ProcessFieldsTD::DumpNoInterpol(ofstream &file)
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{
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FDTD_FLOAT**** volt = Eng->GetVoltages();
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FDTD_FLOAT**** curr = Eng->GetCurrents();
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unsigned int pos[3];
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double delta[3];
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if (DumpType==0)
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{
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//create array
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FDTD_FLOAT**** E_T = Create_N_3DArray(numLines);
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for (pos[0]=0;pos[0]<numLines[0];++pos[0])
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{
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delta[0]=fabs(Op->MainOp->GetIndexDelta(0,pos[0]+start[0]));
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for (pos[1]=0;pos[1]<numLines[1];++pos[1])
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{
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delta[1]=fabs(Op->MainOp->GetIndexDelta(1,pos[1]+start[1]));
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for (pos[2]=0;pos[2]<numLines[2];++pos[2])
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{
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delta[2]=fabs(Op->MainOp->GetIndexDelta(2,pos[2]+start[2]));
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E_T[0][pos[0]][pos[1]][pos[2]] = volt[0][pos[0]+start[0]][pos[1]+start[1]][pos[2]+start[2]]/delta[0]/Op->gridDelta;
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E_T[1][pos[0]][pos[1]][pos[2]] = volt[1][pos[0]+start[0]][pos[1]+start[1]][pos[2]+start[2]]/delta[1]/Op->gridDelta;
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E_T[2][pos[0]][pos[1]][pos[2]] = volt[2][pos[0]+start[0]][pos[1]+start[1]][pos[2]+start[2]]/delta[2]/Op->gridDelta;
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}
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}
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}
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DumpVectorArray2VTK(file,string("E-Field"),E_T,discLines,numLines);
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Delete_N_3DArray(E_T,numLines);
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E_T = NULL;
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}
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if (DumpType==1)
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{
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//create array
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FDTD_FLOAT**** H_T = Create_N_3DArray(numLines);
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for (pos[0]=0;pos[0]<numLines[0];++pos[0])
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{
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delta[0]=fabs(Op->MainOp->GetIndexWidth(0,pos[0]+start[0]));
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for (pos[1]=0;pos[1]<numLines[1];++pos[1])
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{
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delta[1]=fabs(Op->MainOp->GetIndexWidth(1,pos[1]+start[1]));
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for (pos[2]=0;pos[2]<numLines[2];++pos[2])
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{
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delta[2]=fabs(Op->MainOp->GetIndexWidth(2,pos[2]+start[2]));
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//in x
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H_T[0][pos[0]][pos[1]][pos[2]] = curr[0][pos[0]+start[0]][pos[1]+start[1]][pos[2]+start[2]]/delta[0]/Op->gridDelta;
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H_T[1][pos[0]][pos[1]][pos[2]] = curr[1][pos[0]+start[0]][pos[1]+start[1]][pos[2]+start[2]]/delta[1]/Op->gridDelta;
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H_T[2][pos[0]][pos[1]][pos[2]] = curr[2][pos[0]+start[0]][pos[1]+start[1]][pos[2]+start[2]]/delta[2]/Op->gridDelta;
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}
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}
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}
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DumpVectorArray2VTK(file,string("H-Field"),H_T,discLines,numLines);
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Delete_N_3DArray(H_T,numLines);
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H_T = NULL;
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}
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}
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int ProcessFieldsTD::Process()
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{
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if (Enabled==false) return -1;
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if (filePattern.empty()) return -1;
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if (CheckTimestep()==false) return GetNextInterval();
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stringstream ss;
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ss << std::setw( pad_length ) << std::setfill( '0' ) << Eng->GetNumberOfTimesteps();
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string filename = filePattern + ss.str() + ".vtk";
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ofstream file(filename.c_str());
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if (file.is_open()==false) { cerr << "ProcessFieldsTD::Process: can't open file '" << filename << "' for writing... abort! " << endl; return GetNextInterval();};
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if (DumpMode==0)
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DumpNoInterpol(file);
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if (DumpMode==2)
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DumpCellInterpol(file);
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file.close();
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return GetNextInterval();
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}
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