diff options
Diffstat (limited to 'openEMS/FDTD/extensions/engine_ext_excitation.cpp')
| -rw-r--r-- | openEMS/FDTD/extensions/engine_ext_excitation.cpp | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/openEMS/FDTD/extensions/engine_ext_excitation.cpp b/openEMS/FDTD/extensions/engine_ext_excitation.cpp new file mode 100644 index 0000000..b5bd8bd --- /dev/null +++ b/openEMS/FDTD/extensions/engine_ext_excitation.cpp @@ -0,0 +1,170 @@ +/* +* Copyright (C) 2011 Thorsten Liebig (Thorsten.Liebig@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 "engine_ext_excitation.h" +#include "operator_ext_excitation.h" +#include "FDTD/engine_sse.h" + +Engine_Ext_Excitation::Engine_Ext_Excitation(Operator_Ext_Excitation* op_ext) : Engine_Extension(op_ext) +{ + m_Op_Exc = op_ext; + m_Priority = ENG_EXT_PRIO_EXCITATION; +} + +Engine_Ext_Excitation::~Engine_Ext_Excitation() +{ + +} + +void Engine_Ext_Excitation::Apply2Voltages() +{ + //soft voltage excitation here (E-field excite) + int exc_pos; + unsigned int ny; + unsigned int pos[3]; + int numTS = m_Eng->GetNumberOfTimesteps(); + unsigned int length = m_Op_Exc->m_Exc->GetLength(); + FDTD_FLOAT* exc_volt = m_Op_Exc->m_Exc->GetVoltageSignal(); + + int p = numTS+1; + if (m_Op_Exc->m_Exc->GetSignalPeriod()>0) + p = int(m_Op_Exc->m_Exc->GetSignalPeriod()/m_Op_Exc->m_Exc->GetTimestep()); + + //switch for different engine types to access faster inline engine functions + switch (m_Eng->GetType()) + { + case Engine::BASIC: + { + for (unsigned int n=0; n<m_Op_Exc->Volt_Count; ++n) + { + exc_pos = numTS - (int)m_Op_Exc->Volt_delay[n]; + exc_pos *= (exc_pos>0); + exc_pos %= p; + exc_pos *= (exc_pos<=(int)length); + ny = m_Op_Exc->Volt_dir[n]; + pos[0]=m_Op_Exc->Volt_index[0][n]; + pos[1]=m_Op_Exc->Volt_index[1][n]; + pos[2]=m_Op_Exc->Volt_index[2][n]; + m_Eng->Engine::SetVolt(ny,pos, m_Eng->Engine::GetVolt(ny,pos) + m_Op_Exc->Volt_amp[n]*exc_volt[exc_pos]); + } + break; + } + case Engine::SSE: + { + for (unsigned int n=0; n<m_Op_Exc->Volt_Count; ++n) + { + Engine_sse* eng_sse = (Engine_sse*) m_Eng; + exc_pos = numTS - (int)m_Op_Exc->Volt_delay[n]; + exc_pos *= (exc_pos>0); + exc_pos %= p; + exc_pos *= (exc_pos<=(int)length); + ny = m_Op_Exc->Volt_dir[n]; + pos[0]=m_Op_Exc->Volt_index[0][n]; + pos[1]=m_Op_Exc->Volt_index[1][n]; + pos[2]=m_Op_Exc->Volt_index[2][n]; + eng_sse->Engine_sse::SetVolt(ny,pos, eng_sse->Engine_sse::GetVolt(ny,pos) + m_Op_Exc->Volt_amp[n]*exc_volt[exc_pos]); + } + break; + } + default: + { + for (unsigned int n=0; n<m_Op_Exc->Volt_Count; ++n) + { + exc_pos = numTS - (int)m_Op_Exc->Volt_delay[n]; + exc_pos *= (exc_pos>0); + exc_pos %= p; + exc_pos *= (exc_pos<=(int)length); + ny = m_Op_Exc->Volt_dir[n]; + pos[0]=m_Op_Exc->Volt_index[0][n]; + pos[1]=m_Op_Exc->Volt_index[1][n]; + pos[2]=m_Op_Exc->Volt_index[2][n]; + m_Eng->SetVolt(ny,pos, m_Eng->GetVolt(ny,pos) + m_Op_Exc->Volt_amp[n]*exc_volt[exc_pos]); + } + break; + } + } +} + +void Engine_Ext_Excitation::Apply2Current() +{ + //soft current excitation here (H-field excite) + + int exc_pos; + unsigned int ny; + unsigned int pos[3]; + int numTS = m_Eng->GetNumberOfTimesteps(); + unsigned int length = m_Op_Exc->m_Exc->GetLength(); + FDTD_FLOAT* exc_curr = m_Op_Exc->m_Exc->GetCurrentSignal(); + + int p = numTS+1; + if (m_Op_Exc->m_Exc->GetSignalPeriod()>0) + p = int(m_Op_Exc->m_Exc->GetSignalPeriod()/m_Op_Exc->m_Exc->GetTimestep()); + + //switch for different engine types to access faster inline engine functions + switch (m_Eng->GetType()) + { + case Engine::BASIC: + { + for (unsigned int n=0; n<m_Op_Exc->Curr_Count; ++n) + { + exc_pos = numTS - (int)m_Op_Exc->Curr_delay[n]; + exc_pos *= (exc_pos>0); + exc_pos %= p; + exc_pos *= (exc_pos<=(int)length); + ny = m_Op_Exc->Curr_dir[n]; + pos[0]=m_Op_Exc->Curr_index[0][n]; + pos[1]=m_Op_Exc->Curr_index[1][n]; + pos[2]=m_Op_Exc->Curr_index[2][n]; + m_Eng->Engine::SetCurr(ny,pos, m_Eng->Engine::GetCurr(ny,pos) + m_Op_Exc->Curr_amp[n]*exc_curr[exc_pos]); + } + break; + } + case Engine::SSE: + { + for (unsigned int n=0; n<m_Op_Exc->Curr_Count; ++n) + { + Engine_sse* eng_sse = (Engine_sse*) m_Eng; + exc_pos = numTS - (int)m_Op_Exc->Curr_delay[n]; + exc_pos *= (exc_pos>0); + exc_pos %= p; + exc_pos *= (exc_pos<=(int)length); + ny = m_Op_Exc->Curr_dir[n]; + pos[0]=m_Op_Exc->Curr_index[0][n]; + pos[1]=m_Op_Exc->Curr_index[1][n]; + pos[2]=m_Op_Exc->Curr_index[2][n]; + eng_sse->Engine_sse::SetCurr(ny,pos, eng_sse->Engine_sse::GetCurr(ny,pos) + m_Op_Exc->Curr_amp[n]*exc_curr[exc_pos]); + } + break; + } + default: + { + for (unsigned int n=0; n<m_Op_Exc->Curr_Count; ++n) + { + exc_pos = numTS - (int)m_Op_Exc->Curr_delay[n]; + exc_pos *= (exc_pos>0); + exc_pos %= p; + exc_pos *= (exc_pos<=(int)length); + ny = m_Op_Exc->Curr_dir[n]; + pos[0]=m_Op_Exc->Curr_index[0][n]; + pos[1]=m_Op_Exc->Curr_index[1][n]; + pos[2]=m_Op_Exc->Curr_index[2][n]; + m_Eng->SetCurr(ny,pos, m_Eng->GetCurr(ny,pos) + m_Op_Exc->Curr_amp[n]*exc_curr[exc_pos]); + } + break; + } + } +} |