127 lines
3.7 KiB
C++
127 lines
3.7 KiB
C++
/*
|
|
* Copyright (C) 2010 Sebastian Held (sebastian.held@gmx.de)
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <iomanip>
|
|
#include "time.h"
|
|
#include "process_efield.h"
|
|
|
|
ProcessEField::ProcessEField(Engine_Interface_Base* eng_if, Engine* eng) : Processing(eng_if)
|
|
{
|
|
Eng = eng;
|
|
}
|
|
|
|
ProcessEField::~ProcessEField()
|
|
{
|
|
FlushData();
|
|
}
|
|
|
|
void ProcessEField::InitProcess()
|
|
{
|
|
OpenFile(m_Name);
|
|
for (int n=0; n<3; n++)
|
|
FD_Values[n].assign(m_FD_Samples.size(),double_complex(0.0,0.0));
|
|
|
|
file << "% time-domain E-field probe by openEMS " GIT_VERSION << endl;
|
|
file << "% coords: (" << Op->GetDiscLine(0,start[0])*Op->GetGridDelta() << ","
|
|
<< Op->GetDiscLine(1,start[1])*Op->GetGridDelta() << ","
|
|
<< Op->GetDiscLine(2,start[2])*Op->GetGridDelta() << ") m -> [" << start[0] << "," << start[1] << "," << start[2] << "]" << endl;
|
|
file << "% t/s\tEx/(V/m)\tEy/(V/m)\tEz/(V/m)" << endl;
|
|
}
|
|
|
|
void ProcessEField::FlushData()
|
|
{
|
|
if (m_FD_Samples.size())
|
|
Dump_FD_Data(FD_Values,1.0/(double)m_FD_SampleCount,m_filename + "_FD");
|
|
}
|
|
|
|
void ProcessEField::Dump_FD_Data(vector<double_complex> value[3], double factor, string filename)
|
|
{
|
|
if (value[0].size()==0)
|
|
return;
|
|
if (value[0].size()!=m_FD_Samples.size())
|
|
{
|
|
cerr << "Processing::Dump_FD_Data: Error: Complex value and frequency vector have different size! This should never happend!!!" << endl;
|
|
return;
|
|
}
|
|
ofstream file;
|
|
file.open( filename.c_str() );
|
|
if (!file.is_open())
|
|
cerr << "Can't open file: " << filename << endl;
|
|
|
|
time_t rawTime;
|
|
time(&rawTime);
|
|
file << "%dump by openEMS @" << ctime(&rawTime) << "%frequency\treal_x\timag_x\treal_y\timag_y\treal_z\timag_z\n";
|
|
for (size_t n=0; n<value[0].size(); ++n)
|
|
{
|
|
file << m_FD_Samples.at(n)
|
|
<< "\t" << 2.0 * std::real(value[0].at(n))*factor << "\t" << 2.0 * std::imag(value[0].at(n))*factor
|
|
<< "\t" << 2.0 * std::real(value[1].at(n))*factor << "\t" << 2.0 * std::imag(value[1].at(n))*factor
|
|
<< "\t" << 2.0 * std::real(value[2].at(n))*factor << "\t" << 2.0 * std::imag(value[2].at(n))*factor << "\n";
|
|
}
|
|
file.close();
|
|
}
|
|
|
|
int ProcessEField::Process()
|
|
{
|
|
if (!Enabled)
|
|
return -1;
|
|
if (CheckTimestep()==false)
|
|
return GetNextInterval();
|
|
|
|
|
|
if (ProcessInterval)
|
|
{
|
|
// time-domain processing
|
|
if (Eng->GetNumberOfTimesteps()%ProcessInterval==0)
|
|
{
|
|
file << setprecision(m_precision) << (double)Eng->GetNumberOfTimesteps()*Op->GetTimestep();
|
|
for (int n=0; n<3; n++)
|
|
{
|
|
FDTD_FLOAT field = Eng->GetVolt(n,start) / Op->GetMeshDelta(n,start);
|
|
field *= m_weight;
|
|
// TD_Values.push_back(voltage);
|
|
file << "\t" << field;
|
|
}
|
|
file << endl;
|
|
}
|
|
}
|
|
|
|
if (m_FD_Interval)
|
|
{
|
|
// frequency-domain processing
|
|
if (Eng->GetNumberOfTimesteps()%m_FD_Interval==0)
|
|
{
|
|
double T = (double)Eng->GetNumberOfTimesteps() * Op->GetTimestep();
|
|
for (int pol=0; pol<3; pol++)
|
|
{
|
|
FDTD_FLOAT field = Eng->GetVolt(pol,start) / Op->GetMeshDelta(pol,start);
|
|
field *= m_weight;
|
|
for (size_t n=0; n<m_FD_Samples.size(); ++n)
|
|
{
|
|
FD_Values[pol].at(n) += (double)field * std::exp( -2.0 * _I * M_PI * m_FD_Samples.at(n) * T );
|
|
}
|
|
++m_FD_SampleCount;
|
|
}
|
|
if (m_Flush)
|
|
FlushData();
|
|
m_Flush = false;
|
|
}
|
|
}
|
|
|
|
return GetNextInterval();
|
|
}
|