Lumped RLC parallel & series implementation (openEMS) (#121)
G. L
GitHub
parent
5f36e7f3a2
commit
ee3f2b7d80
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@ -24,6 +24,8 @@ set(SOURCES
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${CMAKE_CURRENT_SOURCE_DIR}/engine_ext_tfsf.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/operator_ext_steadystate.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/engine_ext_steadystate.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/operator_ext_lumpedRLC.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/engine_ext_lumpedRLC.cpp
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PARENT_SCOPE
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)
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@ -0,0 +1,195 @@
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/*
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* Additional
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* Copyright (C) 2023 Gadi Lahav (gadi@rfwithcare.com)
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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 "engine_ext_lumpedRLC.h"
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#include "operator_ext_lumpedRLC.h"
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#include "FDTD/engine_sse.h"
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Engine_Ext_LumpedRLC::Engine_Ext_LumpedRLC(Operator_Ext_LumpedRLC* op_ext_RLC) : Engine_Extension(op_ext_RLC)
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{
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// Local pointer of the operator.
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m_Op_Ext_RLC = op_ext_RLC;
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v_Vdn = new FDTD_FLOAT*[3];
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v_Jn = new FDTD_FLOAT*[3];
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// No additional allocations are required if there are no actual lumped elements.
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if (!(m_Op_Ext_RLC->RLC_count))
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return;
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// Initialize ADE containers for currents and voltages
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v_Il = new FDTD_FLOAT[m_Op_Ext_RLC->RLC_count];
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for (uint posIdx = 0 ; posIdx < m_Op_Ext_RLC->RLC_count ; ++posIdx)
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v_Il[posIdx] = 0.0;
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for (uint k = 0 ; k < 3 ; k++)
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{
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v_Vdn[k] = new FDTD_FLOAT[m_Op_Ext_RLC->RLC_count];
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v_Jn[k] = new FDTD_FLOAT[m_Op_Ext_RLC->RLC_count];
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for (uint posIdx = 0 ; posIdx < m_Op_Ext_RLC->RLC_count ; ++posIdx)
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{
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v_Jn[k][posIdx] = 0.0;
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v_Vdn[k][posIdx] = 0.0;;
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}
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}
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}
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Engine_Ext_LumpedRLC::~Engine_Ext_LumpedRLC()
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{
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// Only delete if values were allocated in the first place
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if (m_Op_Ext_RLC->RLC_count)
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{
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delete[] v_Il;
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for (uint k = 0 ; k < 3 ; k++)
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{
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delete[] v_Vdn[k];
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delete[] v_Jn[k];
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}
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}
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delete[] v_Vdn;
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delete[] v_Jn;
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v_Il = NULL;
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v_Vdn = NULL;
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v_Jn = NULL;
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m_Op_Ext_RLC = NULL;
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}
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void Engine_Ext_LumpedRLC::DoPreVoltageUpdates()
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{
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uint **pos = m_Op_Ext_RLC->v_RLC_pos;
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int *dir = m_Op_Ext_RLC->v_RLC_dir;
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// Iterate Vd containers
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FDTD_FLOAT *v_temp;
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v_temp = v_Vdn[2];
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v_Vdn[2] = v_Vdn[1];
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v_Vdn[1] = v_Vdn[0];
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v_Vdn[0] = v_temp;
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// In pre-process, only update the parallel inductor current:
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for (uint pIdx = 0 ; pIdx < m_Op_Ext_RLC->RLC_count ; pIdx++)
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v_Il[pIdx] += (m_Op_Ext_RLC->v_RLC_i2v[pIdx])*(m_Op_Ext_RLC->v_RLC_ilv[pIdx])*v_Vdn[1][pIdx];
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return;
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}
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void Engine_Ext_LumpedRLC::Apply2Voltages()
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{
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uint **pos = m_Op_Ext_RLC->v_RLC_pos;
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int *dir = m_Op_Ext_RLC->v_RLC_dir;
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// Iterate J containers
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FDTD_FLOAT *v_temp;
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v_temp = v_Jn[2];
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v_Jn[2] = v_Jn[1];
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v_Jn[1] = v_Jn[0];
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v_Jn[0] = v_temp;
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// Read engine calculated node voltage
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switch (m_Eng->GetType())
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{
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case Engine::BASIC:
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{
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for (uint pIdx = 0 ; pIdx < m_Op_Ext_RLC->RLC_count ; pIdx++)
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v_Vdn[0][pIdx] = m_Eng->Engine::GetVolt(dir[pIdx],pos[0][pIdx],pos[1][pIdx],pos[2][pIdx]);
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break;
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}
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case Engine::SSE:
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{
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Engine_sse* eng_sse = (Engine_sse*)m_Eng;
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for (uint pIdx = 0 ; pIdx < m_Op_Ext_RLC->RLC_count ; pIdx++)
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v_Vdn[0][pIdx] = eng_sse->Engine_sse::GetVolt(dir[pIdx],pos[0][pIdx],pos[1][pIdx],pos[2][pIdx]);
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break;
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}
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default:
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{
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for (uint pIdx = 0 ; pIdx < m_Op_Ext_RLC->RLC_count ; pIdx++)
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v_Vdn[0][pIdx] = m_Eng->GetVolt(dir[pIdx],pos[0][pIdx],pos[1][pIdx],pos[2][pIdx]);;
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break;
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}
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}
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// Post process: Calculate node voltage with respect to the lumped RLC auxilliary quantity, J
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for (uint pIdx = 0 ; pIdx < m_Op_Ext_RLC->RLC_count ; pIdx++)
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{
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// Calculate updated node voltage, with series and parallel additions
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v_Vdn[0][pIdx] = (m_Op_Ext_RLC->v_RLC_vvd[pIdx])*(
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v_Vdn[0][pIdx] - v_Il[pIdx] // Addition for Parallel inductor
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+
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(m_Op_Ext_RLC->v_RLC_vv2[pIdx])*v_Vdn[2][pIdx] // Vd[n-2] addition
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+
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(m_Op_Ext_RLC->v_RLC_vj1[pIdx])*v_Jn[1][pIdx] // J[n-1] addition
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+
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(m_Op_Ext_RLC->v_RLC_vj2[pIdx])*v_Jn[2][pIdx]); // J[n-2] addition
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// Update J[0]
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v_Jn[0][pIdx] = (m_Op_Ext_RLC->v_RLC_ib0[pIdx])*(v_Vdn[0][pIdx] - v_Vdn[2][pIdx])
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-
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((m_Op_Ext_RLC->v_RLC_b1[pIdx])*(m_Op_Ext_RLC->v_RLC_ib0[pIdx]))*v_Jn[1][pIdx]
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-
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((m_Op_Ext_RLC->v_RLC_b2[pIdx])*(m_Op_Ext_RLC->v_RLC_ib0[pIdx]))*v_Jn[2][pIdx];
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}
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// Update node voltage
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switch (m_Eng->GetType())
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{
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case Engine::BASIC:
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{
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for (uint pIdx = 0 ; pIdx < m_Op_Ext_RLC->RLC_count ; pIdx++)
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m_Eng->Engine::SetVolt(dir[pIdx],pos[0][pIdx],pos[1][pIdx],pos[2][pIdx],v_Vdn[0][pIdx]);
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break;
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}
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case Engine::SSE:
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{
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Engine_sse* eng_sse = (Engine_sse*)m_Eng;
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for (uint pIdx = 0 ; pIdx < m_Op_Ext_RLC->RLC_count ; pIdx++)
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eng_sse->Engine_sse::SetVolt(dir[pIdx],pos[0][pIdx],pos[1][pIdx],pos[2][pIdx],v_Vdn[0][pIdx]);
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break;
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}
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default:
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{
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for (uint pIdx = 0 ; pIdx < m_Op_Ext_RLC->RLC_count ; pIdx++)
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m_Eng->SetVolt(dir[pIdx],pos[0][pIdx],pos[1][pIdx],pos[2][pIdx],v_Vdn[0][pIdx]);
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break;
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}
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}
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return;
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}
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@ -0,0 +1,54 @@
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/*
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* Copyright (C) 2023 Gadi Lahav (gadi@rfwithcare.com)
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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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#ifndef ENGINE_EXT_LUMPEDRLC_H
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#define ENGINE_EXT_LUMPEDRLC_H
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#include "engine_extension.h"
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#include "FDTD/engine.h"
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#include "FDTD/operator.h"
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class Operator_Ext_LumpedRLC;
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class Engine_Ext_LumpedRLC : public Engine_Extension
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{
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friend class Operator_Ext_LumpedRLC;
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friend class Operator;
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friend class ContinuousStructure;
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public:
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Engine_Ext_LumpedRLC(Operator_Ext_LumpedRLC *op_ext_RLC);
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virtual ~Engine_Ext_LumpedRLC();
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virtual void DoPreVoltageUpdates();
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virtual void Apply2Voltages();
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protected:
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Operator_Ext_LumpedRLC* m_Op_Ext_RLC;
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// Auxilliary containers
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// Array setup: volt_C_ADE[mesh_pos]
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FDTD_FLOAT *v_Il; // Container for current on inductor- Parallel RLC
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FDTD_FLOAT **v_Vdn; // Container for nodal vd at [n],[n-1],[n-2]
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FDTD_FLOAT **v_Jn; // Container for nodal J at [n],[n-1],[n-2]
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};
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#endif // ENGINE_EXT_LORENTZMATERIAL_H
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@ -0,0 +1,514 @@
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/*
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* Copyright (C) 2023 Gadi Lahav (gadi@rfwithcare.com)
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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 "../operator.h"
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#include "tools/array_ops.h"
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#include "tools/constants.h"
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//#include "cond_sheet_parameter.h"
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#include "tools/AdrOp.h"
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#include "operator_ext_lumpedRLC.h"
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#include "engine_ext_lumpedRLC.h"
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#include "CSPrimBox.h"
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#include "CSProperties.h"
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#include "CSPropLumpedElement.h"
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#define COPY_V2A(V,A) std::copy(V.begin(),V.end(),A)
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Operator_Ext_LumpedRLC::Operator_Ext_LumpedRLC(Operator* op) : Operator_Extension(op)
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{
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// Parallel circuit coefficients
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v_RLC_ilv = NULL;
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v_RLC_i2v = NULL;
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// Series circuit coefficients
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v_RLC_vv2 = NULL; // Coefficient for [n-2] time of Vd update in Vd equation
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v_RLC_vj1 = NULL; // Coefficient for [n-1] time of J update in Vd equation
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v_RLC_vj2 = NULL; // Coefficient for [n-2] time of J update in Vd equation
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v_RLC_vvd = NULL; // Coefficient to multiply all Vd in the Vd update equation
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v_RLC_ib0 = NULL; // Inverse of beta_0
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v_RLC_b1 = NULL; // beta_1
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v_RLC_b2 = NULL; // beta_2
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// Additional containers
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v_RLC_dir = NULL;
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v_RLC_pos = NULL;
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RLC_count = 0;
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}
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Operator_Ext_LumpedRLC::Operator_Ext_LumpedRLC(Operator* op, Operator_Ext_LumpedRLC* op_ext) : Operator_Extension(op,op_ext)
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{
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// Parallel circuit coefficients
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v_RLC_ilv = NULL;
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v_RLC_i2v = NULL;
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// Series circuit coefficients
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v_RLC_vv2 = NULL; // Coefficient for [n-2] time of Vd update in Vd equation
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v_RLC_vj1 = NULL; // Coefficient for [n-1] time of J update in Vd equation
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v_RLC_vj2 = NULL; // Coefficient for [n-2] time of J update in Vd equation
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v_RLC_vvd = NULL; // Coefficient to multiply all Vd in the Vd update equation
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v_RLC_ib0 = NULL; // Inverse of beta_0
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v_RLC_b1 = NULL; // beta_1
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v_RLC_b2 = NULL; // beta_2
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// Additional containers
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v_RLC_dir = NULL;
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v_RLC_pos = NULL;
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RLC_count = 0;
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}
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Operator_Ext_LumpedRLC::~Operator_Ext_LumpedRLC()
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{
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if (this->RLC_count)
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{
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// Parallel circuit coefficients
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delete[] v_RLC_ilv;
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delete[] v_RLC_i2v;
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// Series circuit coefficients
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delete[] v_RLC_vv2;
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delete[] v_RLC_vj1;
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delete[] v_RLC_vj2;
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delete[] v_RLC_vvd;
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delete[] v_RLC_ib0;
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delete[] v_RLC_b1;
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delete[] v_RLC_b2;
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// Additional containers
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delete[] v_RLC_dir;
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for (uint dIdx = 0 ; dIdx < 3 ; dIdx++)
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delete[] v_RLC_pos[dIdx];
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delete[] v_RLC_pos;
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}
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}
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Operator_Extension* Operator_Ext_LumpedRLC::Clone(Operator* op)
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{
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if (dynamic_cast<Operator_Ext_LumpedRLC*>(this)==NULL)
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return NULL;
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return new Operator_Ext_LumpedRLC(op, this);
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}
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bool Operator_Ext_LumpedRLC::BuildExtension()
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{
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double dT = m_Op->GetTimestep();
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double fMax = m_Op->GetExcitationSignal()->GetCenterFreq()
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+
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m_Op->GetExcitationSignal()->GetCutOffFreq();
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uint pos[] = {0,0,0};
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vector<CSProperties*> cs_props;
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int dir;
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CSPropLumpedElement::LEtype lumpedType;
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vector<uint> v_pos[3];
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vector<int> v_dir;
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vector<double> v_ilv;
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vector<double> v_i2v;
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vector<double> v_vv2;
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vector<double> v_vj1;
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vector<double> v_vj2;
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vector<double> v_vvd;
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vector<double> v_ib0;
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vector<double> v_b1;
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vector<double> v_b2;
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// Lumped RLC parameters
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double R, L, C;
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// clear all vectors to initialize them
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for (uint dIdx = 0 ; dIdx < 3 ; dIdx++)
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v_pos[dIdx].clear();
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v_dir.clear();
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v_ilv.clear();
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v_i2v.clear();
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v_vv2.clear();
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v_vj1.clear();
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v_vj2.clear();
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v_vvd.clear();
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v_ib0.clear();
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v_b1.clear();
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v_b2.clear();
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// Obtain from CSX (continuous structure) all the lumped RLC properties
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// Properties are material properties, not the objects themselves
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cs_props = m_Op->CSX->GetPropertyByType(CSProperties::LUMPED_ELEMENT);
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// Iterate through various properties. In theory, there should be a property set per-
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// primitive, as each lumped element should have it's own unique properties.
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for(size_t n = 0 ; n < cs_props.size() ; ++n)
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{
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// Cast current property to lumped RLC property continuous structure properties
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CSPropLumpedElement* cs_RLC_props = dynamic_cast<CSPropLumpedElement*>(cs_props.at(n));
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if (cs_RLC_props==NULL)
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return false; //sanity check: this should never happen!
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// Store direction and type
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dir = cs_RLC_props->GetDirection();
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lumpedType = cs_RLC_props->GetLEtype();
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// if (lumpedType == LEtype::INVALID
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if (lumpedType == CSPropLumpedElement::INVALID)
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{
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cerr << "Operator_Ext_LumpedRLC::BuildExtension(): Warning: RLCtype is invalid! considering as parallel. "
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<< " ID: " << cs_RLC_props->GetID() << " @ Property: " << cs_RLC_props->GetName() << endl;
|
||||
lumpedType = CSPropLumpedElement::PARALLEL;
|
||||
}
|
||||
|
||||
// Extract R, L and C from property class
|
||||
C = cs_RLC_props->GetCapacity();
|
||||
if (C < 0)
|
||||
C = NAN;
|
||||
R = cs_RLC_props->GetResistance();
|
||||
if (R < 0)
|
||||
R = NAN;
|
||||
L = cs_RLC_props->GetInductance();
|
||||
if (L < 0)
|
||||
L = NAN;
|
||||
|
||||
// Check that this is a lumped RLC
|
||||
if (!(this->IsLElumpedRLC(cs_RLC_props)))
|
||||
continue;
|
||||
|
||||
if ((dir < 0) || (dir > 2))
|
||||
{
|
||||
cerr << "Operator_Ext_LumpedRLC::Calc_LumpedElements(): Warning: Lumped Element direction is invalid! skipping. "
|
||||
<< " ID: " << cs_RLC_props->GetID() << " @ Property: " << cs_RLC_props->GetName() << endl;
|
||||
continue;
|
||||
}
|
||||
|
||||
// Initialize other two direction containers
|
||||
int dir_p1 = (dir + 1) % 3;
|
||||
int dir_p2 = (dir + 2) % 3;
|
||||
|
||||
// Now iterate through primitive(s). I still think there should be only one per-
|
||||
// material definition, but maybe I'm wrong...
|
||||
vector<CSPrimitives*> cs_RLC_prims = cs_RLC_props->GetAllPrimitives();
|
||||
|
||||
for (size_t boxIdx = 0 ; boxIdx < cs_RLC_prims.size() ; ++boxIdx)
|
||||
{
|
||||
CSPrimBox* cBox = dynamic_cast<CSPrimBox*>(cs_RLC_prims.at(boxIdx));
|
||||
|
||||
if (cBox)
|
||||
{
|
||||
|
||||
// Get box start and stop positions
|
||||
unsigned int uiStart[3],
|
||||
uiStop[3];
|
||||
|
||||
|
||||
// snap to the native coordinate system
|
||||
int Snap_Dimension =
|
||||
m_Op->SnapBox2Mesh(
|
||||
cBox->GetStartCoord()->GetCoords(m_Op->m_MeshType), // Start Coord
|
||||
cBox->GetStopCoord()->GetCoords(m_Op->m_MeshType), // Stop Coord
|
||||
uiStart, // Start Index
|
||||
uiStop, // Stop Index
|
||||
false, // Dual (doublet) Grid?
|
||||
true); // Full mesh?
|
||||
|
||||
// Verify that snapped dimension is correct
|
||||
if (Snap_Dimension<=0)
|
||||
{
|
||||
if (Snap_Dimension>=-1)
|
||||
cerr << "Operator_Ext_LumpedRLC::BuildExtension(): Warning: Lumped RLC snapping failed! Dimension is: " << Snap_Dimension << " skipping. "
|
||||
<< " ID: " << cs_RLC_prims.at(boxIdx)->GetID() << " @ Property: " << cs_RLC_props->GetName() << endl;
|
||||
// Snap_Dimension == -2 means outside the simulation domain --> no special warning, but box probably marked as unused!
|
||||
continue;
|
||||
}
|
||||
|
||||
// Verify that in the direction of the current propagation, the size isn't zero.
|
||||
if (uiStart[dir]==uiStop[dir])
|
||||
{
|
||||
cerr << "Operator_Ext_LumpedRLC::BuildExtension(): Warning: Lumped RLC with zero (snapped) length is invalid! skipping. "
|
||||
<< " ID: " << cs_RLC_prims.at(boxIdx)->GetID() << " @ Property: " << cs_RLC_props->GetName() << endl;
|
||||
continue;
|
||||
}
|
||||
|
||||
// Calculate number of cells per-direction
|
||||
unsigned int Ncells_0 = uiStop[dir] - uiStart[dir],
|
||||
Ncells_1 = uiStop[dir_p1] - uiStart[dir_p1] + 1,
|
||||
Ncells_2 = uiStop[dir_p2] - uiStart[dir_p2] + 1;
|
||||
|
||||
// All cells in directions 1 and 2 are considered parallel connection
|
||||
unsigned int Npar = Ncells_1*Ncells_2;
|
||||
|
||||
// Separate elements such that individual elements can be calculated.
|
||||
double dL = L*Npar/Ncells_0,
|
||||
dR = R*Npar/Ncells_0,
|
||||
dG = (1/R)*Ncells_0/Npar,
|
||||
dC = C*Ncells_0/Npar;
|
||||
|
||||
double ib0 = 2.0*dT*dC/(4.0*dL*dC + 2.0*dT*dR*dC + dT*dT),
|
||||
b1 = (dT*dT - 4.0*dL*dC)/(dT*dC),
|
||||
b2 = (4.0*dL*dC - 2.0*dT*dR*dC + dT*dT)/(2.0*dT*dC);
|
||||
|
||||
// Special case: If this is a parallel resonant circuit, and there is no
|
||||
// parallel resistor, use zero conductivity. May be risky when low-loss
|
||||
// simulations are involved
|
||||
if (lumpedType == CSPropLumpedElement::PARALLEL)
|
||||
if (R == 0.0)
|
||||
dG = 0.0;
|
||||
|
||||
int iPos = 0;
|
||||
|
||||
double Zmin,Zcd_min;
|
||||
|
||||
// In the various positions, update the capacitors and "inverse" resistors
|
||||
for (pos[dir] = uiStart[dir] ; pos[dir] < uiStop[dir] ; ++pos[dir])
|
||||
{
|
||||
for (pos[dir_p1] = uiStart[dir_p1] ; pos[dir_p1] <= uiStop[dir_p1] ; ++pos[dir_p1])
|
||||
{
|
||||
for (pos[dir_p2] = uiStart[dir_p2] ; pos[dir_p2] <= uiStop[dir_p2] ; ++pos[dir_p2])
|
||||
{
|
||||
iPos = m_Op->MainOp->SetPos(pos[0],pos[1],pos[2]);
|
||||
|
||||
|
||||
// Separate to two different cases. Parallel and series
|
||||
switch (lumpedType)
|
||||
{
|
||||
case CSPropLumpedElement::PARALLEL:
|
||||
// Update capacitor either way.
|
||||
if (dC > 0)
|
||||
m_Op->EC_C[dir][iPos] = dC;
|
||||
else
|
||||
// This case takes the "natural" capacitor into account.
|
||||
dC = m_Op->EC_C[dir][iPos];
|
||||
|
||||
v_i2v.push_back((dT/dC)/(1.0 + dT*dG/(2.0*dC)));
|
||||
|
||||
// Update conductivity
|
||||
if (R >= 0)
|
||||
m_Op->EC_G[dir][iPos] = dG;
|
||||
|
||||
// Update coefficients with respect to the parallel inductance
|
||||
if (L > 0)
|
||||
v_ilv.push_back(dT/dL);
|
||||
else
|
||||
v_ilv.push_back(0.0);
|
||||
|
||||
// Take into account the case that the "natural" capacitor is too small
|
||||
// with respect to the inductor or the resistor, and add a warning.
|
||||
if (dC == 0)
|
||||
{
|
||||
double Cd = m_Op->EC_C[dir][iPos];
|
||||
Zmin = max(dR,2*PI*fMax*dL);
|
||||
Zcd_min = 1.0/(2.0*PI*fMax*Cd);
|
||||
|
||||
// Check if the "parasitic" capcitance is not small enough
|
||||
if (Zcd_min < LUMPED_RLC_Z_FACT*Zmin)
|
||||
{
|
||||
Cd = 1.0/(2*PI*fMax*Zmin*LUMPED_RLC_Z_FACT);
|
||||
m_Op->EC_C[dir][iPos] = Cd;
|
||||
}
|
||||
}
|
||||
|
||||
v_vv2.push_back(0.0);
|
||||
v_vj1.push_back(0.0);
|
||||
v_vj2.push_back(0.0);
|
||||
v_vvd.push_back(1.0);
|
||||
v_ib0.push_back(0.0);
|
||||
v_b1.push_back(0.0);
|
||||
v_b2.push_back(0.0);
|
||||
|
||||
// Update with discrete component values of
|
||||
m_Op->Calc_ECOperatorPos(dir,pos);
|
||||
|
||||
v_dir.push_back(dir);
|
||||
|
||||
break;
|
||||
|
||||
case CSPropLumpedElement::SERIES:
|
||||
m_Op->EC_G[dir][iPos] = 0.0;
|
||||
|
||||
// is a series inductor, modeled separately.
|
||||
FDTD_FLOAT Cd = m_Op->EC_C[dir][iPos];
|
||||
|
||||
// Calculate minimum impedance, at maximum frequency
|
||||
Zmin = sqrt(pow(dR,2) + pow(2*PI*fMax*dL - 1.0/(dC*2*PI*fMax),2));
|
||||
Zcd_min = 1.0/(2.0*PI*fMax*Cd);
|
||||
|
||||
// Check if the "parasitic" capcitance is not small enough
|
||||
if (Zcd_min < LUMPED_RLC_Z_FACT*Zmin)
|
||||
{
|
||||
Cd = 1.0/(2*PI*fMax*Zmin*LUMPED_RLC_Z_FACT);
|
||||
m_Op->EC_C[dir][iPos] = Cd;
|
||||
}
|
||||
|
||||
// No contribution from parallel inductor
|
||||
v_ilv.push_back(0.0);
|
||||
v_i2v.push_back(0.0);
|
||||
|
||||
// Contributions from series resistor and inductor
|
||||
v_vv2.push_back(0.5*dT*ib0/Cd);
|
||||
v_vj1.push_back(0.5*dT*(b1*ib0 - 1.0)/Cd);
|
||||
v_vj2.push_back(0.5*dT*b2*ib0/Cd);
|
||||
v_vvd.push_back(1.0/(1.0 + 0.5*dT*ib0/Cd));
|
||||
v_ib0.push_back(ib0);
|
||||
v_b1.push_back(b1);
|
||||
v_b2.push_back(b2);
|
||||
|
||||
m_Op->Calc_ECOperatorPos(dir,pos);
|
||||
|
||||
v_dir.push_back(dir);
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
// Store position and direction
|
||||
for (uint dIdx = 0 ; dIdx < 3 ; ++dIdx)
|
||||
v_pos[dIdx].push_back(pos[dIdx]);
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Build metallic caps
|
||||
if (cs_RLC_props->GetCaps())
|
||||
for (pos[dir_p1] = uiStart[dir_p1] ; pos[dir_p1] <= uiStop[dir_p1] ; ++pos[dir_p1])
|
||||
{
|
||||
for (pos[dir_p2] = uiStart[dir_p2] ; pos[dir_p2] <= uiStop[dir_p2] ; ++pos[dir_p2])
|
||||
{
|
||||
pos[dir]=uiStart[dir];
|
||||
if (pos[dir_p1]<uiStop[dir_p1])
|
||||
{
|
||||
m_Op->SetVV(dir_p1,pos[0],pos[1],pos[2], 0 );
|
||||
m_Op->SetVI(dir_p1,pos[0],pos[1],pos[2], 0 );
|
||||
++(m_Op->m_Nr_PEC[dir_p1]);
|
||||
}
|
||||
|
||||
if (pos[dir_p2]<uiStop[dir_p2])
|
||||
{
|
||||
m_Op->SetVV(dir_p2,pos[0],pos[1],pos[2], 0 );
|
||||
m_Op->SetVI(dir_p2,pos[0],pos[1],pos[2], 0 );
|
||||
++(m_Op->m_Nr_PEC[dir_p2]);
|
||||
}
|
||||
|
||||
pos[dir]=uiStop[dir];
|
||||
if (pos[dir_p1]<uiStop[dir_p1])
|
||||
{
|
||||
m_Op->SetVV(dir_p1,pos[0],pos[1],pos[2], 0 );
|
||||
m_Op->SetVI(dir_p1,pos[0],pos[1],pos[2], 0 );
|
||||
++(m_Op->m_Nr_PEC[dir_p1]);
|
||||
}
|
||||
|
||||
if (pos[dir_p2]<uiStop[dir_p2])
|
||||
{
|
||||
m_Op->SetVV(dir_p2,pos[0],pos[1],pos[2], 0 );
|
||||
m_Op->SetVI(dir_p2,pos[0],pos[1],pos[2], 0 );
|
||||
++(m_Op->m_Nr_PEC[dir_p2]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Mark as used
|
||||
cBox->SetPrimitiveUsed(true);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
// Start data storage
|
||||
RLC_count = v_dir.size();
|
||||
|
||||
// values
|
||||
if (RLC_count)
|
||||
{
|
||||
// Allocate space to all variables
|
||||
v_RLC_dir = new int[RLC_count];
|
||||
|
||||
// Parallel circuit coefficients
|
||||
v_RLC_ilv = new FDTD_FLOAT[RLC_count];
|
||||
v_RLC_i2v = new FDTD_FLOAT[RLC_count];
|
||||
|
||||
// Series circuit coefficients
|
||||
v_RLC_vv2 = new FDTD_FLOAT[RLC_count];
|
||||
v_RLC_vj1 = new FDTD_FLOAT[RLC_count];
|
||||
v_RLC_vj2 = new FDTD_FLOAT[RLC_count];
|
||||
v_RLC_vvd = new FDTD_FLOAT[RLC_count];
|
||||
v_RLC_ib0 = new FDTD_FLOAT[RLC_count];
|
||||
v_RLC_b1 = new FDTD_FLOAT[RLC_count];
|
||||
v_RLC_b2 = new FDTD_FLOAT[RLC_count];
|
||||
|
||||
v_RLC_pos = new uint*[3];
|
||||
for (uint dIdx = 0 ; dIdx < 3 ; ++dIdx)
|
||||
v_RLC_pos[dIdx] = new uint[RLC_count];
|
||||
|
||||
// Copy all vectors to arrays
|
||||
COPY_V2A(v_dir, v_RLC_dir);
|
||||
|
||||
COPY_V2A(v_ilv, v_RLC_ilv);
|
||||
COPY_V2A(v_i2v, v_RLC_i2v);
|
||||
|
||||
COPY_V2A(v_vv2,v_RLC_vv2);
|
||||
COPY_V2A(v_vj1,v_RLC_vj1);
|
||||
COPY_V2A(v_vj2,v_RLC_vj2);
|
||||
COPY_V2A(v_vvd,v_RLC_vvd);
|
||||
COPY_V2A(v_ib0,v_RLC_ib0);
|
||||
COPY_V2A(v_b1,v_RLC_b1);
|
||||
COPY_V2A(v_b2,v_RLC_b2);
|
||||
|
||||
for (uint dIdx = 0 ; dIdx < 3 ; ++dIdx)
|
||||
COPY_V2A(v_pos[dIdx],v_RLC_pos[dIdx]);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
Engine_Extension* Operator_Ext_LumpedRLC::CreateEngineExtention()
|
||||
{
|
||||
Engine_Ext_LumpedRLC* eng_ext_RLC = new Engine_Ext_LumpedRLC(this);
|
||||
return eng_ext_RLC;
|
||||
}
|
||||
|
||||
void Operator_Ext_LumpedRLC::ShowStat(ostream &ostr) const
|
||||
{
|
||||
Operator_Extension::ShowStat(ostr);
|
||||
string On_Off[2] = {"Off", "On"};
|
||||
|
||||
ostr << "Active cells\t\t: " << RLC_count << endl;
|
||||
}
|
||||
|
||||
bool Operator_Ext_LumpedRLC::IsLElumpedRLC(const CSPropLumpedElement* const p_prop)
|
||||
{
|
||||
CSPropLumpedElement::LEtype lumpedType = p_prop->GetLEtype();
|
||||
|
||||
double L = p_prop->GetInductance();
|
||||
|
||||
bool isParallelRLC = (lumpedType == CSPropLumpedElement::PARALLEL) && (L > 0.0);
|
||||
bool isSeriesRLC = lumpedType == CSPropLumpedElement::SERIES;
|
||||
|
||||
// This needs to be something that isn't a parallel RC circuit to add data to this extension.
|
||||
return isParallelRLC || isSeriesRLC;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,88 @@
|
|||
/*
|
||||
* Copyright (C) 2023 Gadi Lahav (gadi@rfwithcare.com)
|
||||
*
|
||||
* 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/>.
|
||||
*/
|
||||
|
||||
#ifndef OPERATOR_EXT_LUMPEDRLC_H_
|
||||
#define OPERATOR_EXT_LUMPEDRLC_H_
|
||||
|
||||
#include "vector"
|
||||
|
||||
#include "FDTD/operator.h"
|
||||
#include "operator_extension.h"
|
||||
#include "operator_ext_cylinder.h"
|
||||
|
||||
#include "engine_ext_lumpedRLC.h"
|
||||
|
||||
#define LUMPED_RLC_Z_FACT 20.0
|
||||
|
||||
class Operator_Ext_LumpedRLC : public Operator_Extension
|
||||
{
|
||||
friend class Engine_Ext_LumpedRLC;
|
||||
public:
|
||||
Operator_Ext_LumpedRLC(Operator* op);
|
||||
|
||||
virtual ~Operator_Ext_LumpedRLC();
|
||||
|
||||
virtual Operator_Extension* Clone(Operator* op);
|
||||
|
||||
virtual bool BuildExtension();
|
||||
|
||||
virtual Engine_Extension* CreateEngineExtention();
|
||||
|
||||
virtual bool IsCylinderCoordsSave(bool closedAlpha, bool R0_included) const {UNUSED(closedAlpha); UNUSED(R0_included); return true;}
|
||||
virtual bool IsCylindricalMultiGridSave(bool child) const {UNUSED(child); return true;}
|
||||
virtual bool IsMPISave() const {return true;}
|
||||
|
||||
virtual string GetExtensionName() const {return string("Series\\Parallel Lumped RLC load");}
|
||||
|
||||
virtual void ShowStat(ostream &ostr) const;
|
||||
|
||||
virtual bool IsLElumpedRLC(const CSPropLumpedElement* const p_prop);
|
||||
|
||||
protected:
|
||||
//! Copy constructor
|
||||
Operator_Ext_LumpedRLC(Operator* op, Operator_Ext_LumpedRLC* op_ext);
|
||||
|
||||
// ADE update coefficients, array setup: coeff[mesh_pos_index]
|
||||
|
||||
// Parallel circuit coefficients
|
||||
FDTD_FLOAT *v_RLC_ilv;
|
||||
FDTD_FLOAT *v_RLC_i2v;
|
||||
|
||||
// Series circuit coefficients
|
||||
FDTD_FLOAT *v_RLC_vv2; // Coefficient for [n-2] time of Vd update in Vd equation
|
||||
FDTD_FLOAT *v_RLC_vj1; // Coefficient for [n-1] time of J update in Vd equation
|
||||
FDTD_FLOAT *v_RLC_vj2; // Coefficient for [n-2] time of J update in Vd equation
|
||||
FDTD_FLOAT *v_RLC_vvd; // Coefficient to multiply all Vd in the Vd update equation
|
||||
FDTD_FLOAT *v_RLC_ib0; // Inverse of beta_0
|
||||
FDTD_FLOAT *v_RLC_b1; // beta_1
|
||||
FDTD_FLOAT *v_RLC_b2; // beta_2
|
||||
|
||||
// Additional containers
|
||||
int *v_RLC_dir;
|
||||
uint **v_RLC_pos;
|
||||
|
||||
// Vector length indicator
|
||||
uint RLC_count;
|
||||
|
||||
|
||||
|
||||
|
||||
};
|
||||
|
||||
|
||||
|
||||
#endif /* OPERATOR_EXT_LUMPEDRLC_H_ */
|
||||
|
|
@ -379,7 +379,6 @@ int Operator::SnapLine2Mesh(const double* start, const double* stop, unsigned in
|
|||
return ret;
|
||||
}
|
||||
|
||||
|
||||
Grid_Path Operator::FindPath(double start[], double stop[])
|
||||
{
|
||||
Grid_Path path;
|
||||
|
|
@ -1536,11 +1535,15 @@ bool Operator::Calc_EffMatPos(int ny, const unsigned int* pos, double* EffMat, v
|
|||
bool Operator::Calc_LumpedElements()
|
||||
{
|
||||
vector<CSProperties*> props = CSX->GetPropertyByType(CSProperties::LUMPED_ELEMENT);
|
||||
|
||||
for (size_t i=0;i<props.size();++i)
|
||||
{
|
||||
|
||||
CSPropLumpedElement* PLE = dynamic_cast<CSPropLumpedElement*>(props.at(i));
|
||||
|
||||
if (PLE==NULL)
|
||||
return false; //sanity check: this should never happen!
|
||||
|
||||
vector<CSPrimitives*> prims = PLE->GetAllPrimitives();
|
||||
for (size_t bn=0;bn<prims.size();++bn)
|
||||
{
|
||||
|
|
@ -1555,6 +1558,11 @@ bool Operator::Calc_LumpedElements()
|
|||
if (R<0)
|
||||
R = NAN;
|
||||
|
||||
// If this is not a parallel RC, skip this.
|
||||
if (!(this->IsLEparRC(PLE)))
|
||||
continue;
|
||||
|
||||
|
||||
if ((std::isnan(R)) && (std::isnan(C)))
|
||||
{
|
||||
cerr << "Operator::Calc_LumpedElements(): Warning: Lumped Element R or C not specified! skipping. "
|
||||
|
|
@ -1703,6 +1711,18 @@ bool Operator::Calc_LumpedElements()
|
|||
return true;
|
||||
}
|
||||
|
||||
bool Operator::IsLEparRC(const CSPropLumpedElement* const p_prop)
|
||||
{
|
||||
CSPropLumpedElement::LEtype lumpedType = p_prop->GetLEtype();
|
||||
|
||||
double L = p_prop->GetInductance();
|
||||
|
||||
bool IsParallelRC = (lumpedType == CSPropLumpedElement::PARALLEL) && !(L > 0.0);
|
||||
|
||||
// This needs to be something that isn't a parallel RC circuit to add data to this extension.
|
||||
return IsParallelRC;
|
||||
}
|
||||
|
||||
void Operator::Init_EC()
|
||||
{
|
||||
for (int n=0; n<3; ++n)
|
||||
|
|
|
|||
|
|
@ -33,12 +33,16 @@ class Operator : public Operator_Base
|
|||
{
|
||||
friend class Engine;
|
||||
friend class Engine_Interface_FDTD;
|
||||
friend class Operator_Ext_LorentzMaterial; //we need to find a way around this... friend class Operator_Extension only would be nice
|
||||
friend class Operator_Ext_ConductingSheet; //we need to find a way around this... friend class Operator_Extension only would be nice
|
||||
friend class Operator_Ext_LorentzMaterial; // We need to find a way around this... friend class Operator_Extension only would be nice
|
||||
friend class Operator_Ext_ConductingSheet; // We need to find a way around this... friend class Operator_Extension only would be nice
|
||||
friend class Operator_Ext_PML_SF_Plane;
|
||||
friend class Operator_Ext_Excitation;
|
||||
friend class Operator_Ext_UPML;
|
||||
friend class Operator_Ext_Cylinder;
|
||||
friend class Operator_Ext_LumpedRLC; // Gadi: I now know why the two previous remarks are here.
|
||||
|
||||
// So apparaently I have to use functionality from operator
|
||||
// in my "lumpedRLC" class. This is ugly...
|
||||
public:
|
||||
enum DebugFlags {None=0,debugMaterial=1,debugOperator=2,debugPEC=4};
|
||||
|
||||
|
|
@ -244,6 +248,9 @@ protected:
|
|||
//! Calculate and setup lumped elements
|
||||
virtual bool Calc_LumpedElements();
|
||||
|
||||
//! Condition to determine if this is a lumped RC, to invoke Calc_LumpedElements
|
||||
virtual bool IsLEparRC(const CSPropLumpedElement* const p_prop);
|
||||
|
||||
//! Store the size of the applied boundary conditions
|
||||
int m_BC_Size[6];
|
||||
|
||||
|
|
|
|||
|
|
@ -30,6 +30,7 @@
|
|||
#include "FDTD/extensions/operator_ext_mur_abc.h"
|
||||
#include "FDTD/extensions/operator_ext_upml.h"
|
||||
#include "FDTD/extensions/operator_ext_lorentzmaterial.h"
|
||||
#include "FDTD/extensions/operator_ext_lumpedRLC.h"
|
||||
#include "FDTD/extensions/operator_ext_conductingsheet.h"
|
||||
#include "FDTD/extensions/operator_ext_steadystate.h"
|
||||
#include "FDTD/extensions/engine_ext_steadystate.h"
|
||||
|
|
@ -292,7 +293,7 @@ void openEMS::WelcomeScreen()
|
|||
#endif
|
||||
|
||||
cout << " ---------------------------------------------------------------------- " << endl;
|
||||
cout << " | openEMS " << bits << " -- version " GIT_VERSION << endl;
|
||||
cout << " | openEMS " << bits << " -- version " << GIT_VERSION << endl;
|
||||
cout << " | (C) 2010-2023 Thorsten Liebig <thorsten.liebig@gmx.de> GPL license" << endl;
|
||||
cout << " ---------------------------------------------------------------------- " << endl;
|
||||
cout << openEMS::GetExtLibsInfo("\t") << endl;
|
||||
|
|
@ -995,6 +996,9 @@ int openEMS::SetupFDTD()
|
|||
FDTD_Op->AddExtension(new Operator_Ext_LorentzMaterial(FDTD_Op));
|
||||
if (m_CSX->GetQtyPropertyType(CSProperties::CONDUCTINGSHEET)>0)
|
||||
FDTD_Op->AddExtension(new Operator_Ext_ConductingSheet(FDTD_Op, m_Exc->GetMaxFreq()));
|
||||
if (m_CSX->GetQtyPropertyType(CSProperties::LUMPED_ELEMENT)>0)
|
||||
FDTD_Op->AddExtension(new Operator_Ext_LumpedRLC(FDTD_Op));
|
||||
|
||||
|
||||
//check all properties to request material storage during operator creation...
|
||||
SetupMaterialStorages();
|
||||
|
|
|
|||
Loading…
Reference in New Issue