126 lines
3.7 KiB
C++
126 lines
3.7 KiB
C++
/*
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* Copyright (C) 2010 Sebastian Held (sebastian.held@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 <iomanip>
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#include "time.h"
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#include "process_efield.h"
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ProcessEField::ProcessEField(Operator* op, Engine* eng) : Processing(op, eng)
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{
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}
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ProcessEField::~ProcessEField()
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{
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FlushData();
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}
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void ProcessEField::InitProcess()
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{
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OpenFile(m_Name);
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for (int n=0; n<3; n++)
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FD_Values[n].assign(m_FD_Samples.size(),double_complex(0.0,0.0));
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file << "% time-domain E-field probe by openEMS " GIT_VERSION << endl;
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file << "% coords: (" << Op->GetDiscLine(0,start[0])*Op->GetGridDelta() << ","
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<< Op->GetDiscLine(1,start[1])*Op->GetGridDelta() << ","
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<< Op->GetDiscLine(2,start[2])*Op->GetGridDelta() << ") m -> [" << start[0] << "," << start[1] << "," << start[2] << "]" << endl;
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file << "% t/s\tEx/(V/m)\tEy/(V/m)\tEz/(V/m)" << endl;
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}
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void ProcessEField::FlushData()
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{
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if (m_FD_Samples.size())
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Dump_FD_Data(FD_Values,1.0/(double)m_FD_SampleCount,m_filename + "_FD");
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}
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void ProcessEField::Dump_FD_Data(vector<double_complex> value[3], double factor, string filename)
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{
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if (value[0].size()==0)
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return;
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if (value[0].size()!=m_FD_Samples.size())
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{
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cerr << "Processing::Dump_FD_Data: Error: Complex value and frequency vector have different size! This should never happend!!!" << endl;
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return;
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}
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ofstream file;
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file.open( filename.c_str() );
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if (!file.is_open())
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cerr << "Can't open file: " << filename << endl;
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time_t rawTime;
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time(&rawTime);
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file << "%dump by openEMS @" << ctime(&rawTime) << "%frequency\treal_x\timag_x\treal_y\timag_y\treal_z\timag_z\n";
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for (size_t n=0;n<value[0].size();++n)
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{
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file << m_FD_Samples.at(n)
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<< "\t" << 2.0 * std::real(value[0].at(n))*factor << "\t" << 2.0 * std::imag(value[0].at(n))*factor
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<< "\t" << 2.0 * std::real(value[1].at(n))*factor << "\t" << 2.0 * std::imag(value[1].at(n))*factor
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<< "\t" << 2.0 * std::real(value[2].at(n))*factor << "\t" << 2.0 * std::imag(value[2].at(n))*factor << "\n";
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}
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file.close();
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}
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int ProcessEField::Process()
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{
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if (!Enabled)
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return -1;
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if (CheckTimestep()==false)
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return GetNextInterval();
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if (ProcessInterval)
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{
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// time-domain processing
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if (Eng->GetNumberOfTimesteps()%ProcessInterval==0)
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{
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file << setprecision(m_precision) << (double)Eng->GetNumberOfTimesteps()*Op->GetTimestep();
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for (int n=0; n<3; n++)
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{
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FDTD_FLOAT field = Eng->GetVolt(n,start) / Op->GetMeshDelta(n,start);
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field *= m_weight;
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// TD_Values.push_back(voltage);
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file << "\t" << field;
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}
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file << endl;
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}
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}
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if (m_FD_Interval)
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{
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// frequency-domain processing
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if (Eng->GetNumberOfTimesteps()%m_FD_Interval==0)
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{
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double T = (double)Eng->GetNumberOfTimesteps() * Op->GetTimestep();
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for (int pol=0; pol<3; pol++)
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{
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FDTD_FLOAT field = Eng->GetVolt(pol,start) / Op->GetMeshDelta(pol,start);
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field *= m_weight;
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for (size_t n=0;n<m_FD_Samples.size();++n)
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{
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FD_Values[pol].at(n) += (double)field * std::exp( -2.0 * II * M_PI * m_FD_Samples.at(n) * T );
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}
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++m_FD_SampleCount;
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}
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if (m_Flush)
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FlushData();
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m_Flush = false;
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}
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}
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return GetNextInterval();
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}
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