Thorsten Liebig
commit
58f528bb0d
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@ -18,10 +18,18 @@
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#include "engine.h"
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#include "tools/array_ops.h"
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Engine::Engine(Operator* op)
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//! \brief construct an Engine instance
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//! it's the responsibility of the caller to free the returned pointer
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Engine* Engine::createEngine(const Operator* op)
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{
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Engine* e = new Engine(op);
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e->Init();
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return e;
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}
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Engine::Engine(const Operator* op)
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{
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Op = op;
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Init();
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}
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Engine::~Engine()
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@ -23,7 +23,7 @@
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class Engine
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{
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public:
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Engine(Operator* op);
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static Engine* createEngine(const Operator* op);
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virtual ~Engine();
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virtual void Init();
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@ -32,13 +32,14 @@ public:
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//!Iterate a number of timesteps
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virtual bool IterateTS(unsigned int iterTS);
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unsigned int GetNumberOfTimesteps() {return numTS;};
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virtual unsigned int GetNumberOfTimesteps() {return numTS;};
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virtual FDTD_FLOAT**** GetVoltages() {return volt;};
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virtual FDTD_FLOAT**** GetCurrents() {return curr;};
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protected:
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Operator* Op;
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Engine(const Operator* op);
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const Operator* Op;
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FDTD_FLOAT**** volt;
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FDTD_FLOAT**** curr;
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@ -0,0 +1,301 @@
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/*
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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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//#define ENABLE_DEBUG_TIME
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#ifdef ENABLE_DEBUG_TIME
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#define DEBUG_TIME(x) x;
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#else
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#define DEBUG_TIME(x) ;
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#endif
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#include "engine_multithread.h"
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#include "tools/array_ops.h"
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#include "boost/date_time/posix_time/posix_time.hpp"
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#include "boost/date_time/gregorian/gregorian.hpp"
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#include <iomanip>
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//! \brief construct an Engine_Multithread instance
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//! it's the responsibility of the caller to free the returned pointer
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Engine_Multithread* Engine_Multithread::createEngine(const Operator* op, unsigned int numThreads)
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{
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Engine_Multithread* e = new Engine_Multithread(op);
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e->setNumThreads( numThreads );
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e->Init();
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return e;
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}
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Engine_Multithread::Engine_Multithread(const Operator* op) : Engine(op)
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{
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}
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Engine_Multithread::~Engine_Multithread()
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{
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#ifdef ENABLE_DEBUG_TIME
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NS_Engine_Multithread::DBG().cout() << "Engine_Multithread::~Engine_Multithread()" << endl;
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std::map<boost::thread::id, std::vector<double> >::iterator it;
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for (it=m_timer_list.begin(); it!=m_timer_list.end(); it++) {
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NS_Engine_Multithread::DBG().cout() << "*** DEBUG Thread: " << it->first << std::endl;
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std::vector<double>::iterator it2;
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for (it2=it->second.begin(); it2<it->second.end();) {
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NS_Engine_Multithread::DBG().cout() << "after voltage update, before barrier1: " << fixed << setprecision(6) << *(it2++) << std::endl;
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NS_Engine_Multithread::DBG().cout() << "after barrier1, before barrier2: " << fixed << setprecision(6) << *(it2++) << std::endl;
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NS_Engine_Multithread::DBG().cout() << "after barrier2, before current update: " << fixed << setprecision(6) << *(it2++) << std::endl;
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NS_Engine_Multithread::DBG().cout() << "after current update, before barrier3: " << fixed << setprecision(6) << *(it2++) << std::endl;
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NS_Engine_Multithread::DBG().cout() << "after barrier3: " << fixed << setprecision(6) << *(it2++) << std::endl;
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}
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}
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#endif
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Reset();
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}
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void Engine_Multithread::setNumThreads( unsigned int numThreads )
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{
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m_numThreads = numThreads;
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}
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void Engine_Multithread::Init()
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{
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Engine::Init(); // gets cleaned up by Engine::~Engine()
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// initialize threads
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m_stopThreads = false;
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if (m_numThreads == 0)
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m_numThreads = boost::thread::hardware_concurrency();
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cout << "using " << m_numThreads << " threads" << std::endl;
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m_barrier1 = new boost::barrier(m_numThreads+1); // numThread workers + 1 excitation thread
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m_barrier2 = new boost::barrier(m_numThreads+1); // numThread workers + 1 excitation thread
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m_barrier3 = new boost::barrier(m_numThreads); // numThread workers
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m_startBarrier = new boost::barrier(m_numThreads+1); // numThread workers + 1 controller
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m_stopBarrier = new boost::barrier(m_numThreads+1); // numThread workers + 1 controller
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unsigned int linesPerThread = round((float)Op->numLines[0] / (float)m_numThreads);
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for (unsigned int n=0; n<m_numThreads; n++) {
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unsigned int start = n * linesPerThread;
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unsigned int stop = (n+1) * linesPerThread - 1;
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unsigned int stop_h = stop;
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if (n == m_numThreads-1) {
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// last thread
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stop = Op->numLines[0]-1;
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stop_h = stop-1;
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}
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//NS_Engine_Multithread::DBG().cout() << "###DEBUG## Thread " << n << ": start=" << start << " stop=" << stop << " stop_h=" << stop_h << std::endl;
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boost::thread *t = new boost::thread( NS_Engine_Multithread::thread(this,start,stop,stop_h,n) );
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m_thread_group.add_thread( t );
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}
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boost::thread *t = new boost::thread( NS_Engine_Multithread::thread_e_excitation(this) );
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m_thread_group.add_thread( t );
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}
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void Engine_Multithread::Reset()
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{
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if (!m_stopThreads) {
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// prevent multiple invocations
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// stop the threads
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//NS_Engine_Multithread::DBG().cout() << "stopping all threads" << endl;
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m_iterTS = 1;
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m_startBarrier->wait(); // start the threads
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m_stopThreads = true;
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m_stopBarrier->wait(); // wait for the threads to finish
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m_thread_group.join_all(); // wait for termination
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delete m_barrier1; m_barrier1 = 0;
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delete m_barrier2; m_barrier2 = 0;
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delete m_barrier3; m_barrier3 = 0;
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delete m_startBarrier; m_startBarrier = 0;
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delete m_stopBarrier; m_stopBarrier = 0;
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}
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Engine::Reset();
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}
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bool Engine_Multithread::IterateTS(unsigned int iterTS)
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{
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m_iterTS = iterTS;
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//cout << "bool Engine_Multithread::IterateTS(): starting threads ...";
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m_startBarrier->wait(); // start the threads
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//cout << "... threads started";
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m_stopBarrier->wait(); // wait for the threads to finish <iterTS> time steps
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return true;
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}
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//
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// *************************************************************************************************************************
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//
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namespace NS_Engine_Multithread {
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thread::thread( Engine_Multithread* ptr, unsigned int start, unsigned int stop, unsigned int stop_h, unsigned int threadID )
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{
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m_enginePtr = ptr;
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m_start = start;
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m_stop = stop;
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m_stop_h = stop_h;
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m_threadID = threadID;
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}
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void thread::operator()()
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{
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//std::cout << "thread::operator() Parameters: " << m_start << " " << m_stop << std::endl;
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//DBG().cout() << "Thread " << m_threadID << " (" << boost::this_thread::get_id() << ") started." << endl;
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unsigned int pos[3];
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bool shift[3];
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while (!m_enginePtr->m_stopThreads) {
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// wait for start
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//DBG().cout() << "Thread " << m_threadID << " (" << boost::this_thread::get_id() << ") waiting..." << endl;
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m_enginePtr->m_startBarrier->wait();
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//cout << "Thread " << boost::this_thread::get_id() << " waiting... started." << endl;
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DEBUG_TIME( Timer timer1 );
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for (unsigned int iter=0;iter<m_enginePtr->m_iterTS;++iter)
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{
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//voltage updates
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for (pos[0]=m_start;pos[0]<=m_stop;++pos[0])
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{
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shift[0]=pos[0];
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for (pos[1]=0;pos[1]<m_enginePtr->Op->numLines[1];++pos[1])
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{
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shift[1]=pos[1];
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for (pos[2]=0;pos[2]<m_enginePtr->Op->numLines[2];++pos[2])
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{
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shift[2]=pos[2];
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//do the updates here
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//for x
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m_enginePtr->volt[0][pos[0]][pos[1]][pos[2]] *= m_enginePtr->Op->vv[0][pos[0]][pos[1]][pos[2]];
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m_enginePtr->volt[0][pos[0]][pos[1]][pos[2]] += m_enginePtr->Op->vi[0][pos[0]][pos[1]][pos[2]] * ( m_enginePtr->curr[2][pos[0]][pos[1]][pos[2]] - m_enginePtr->curr[2][pos[0]][pos[1]-shift[1]][pos[2]] - m_enginePtr->curr[1][pos[0]][pos[1]][pos[2]] + m_enginePtr->curr[1][pos[0]][pos[1]][pos[2]-shift[2]]);
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//for y
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m_enginePtr->volt[1][pos[0]][pos[1]][pos[2]] *= m_enginePtr->Op->vv[1][pos[0]][pos[1]][pos[2]];
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m_enginePtr->volt[1][pos[0]][pos[1]][pos[2]] += m_enginePtr->Op->vi[1][pos[0]][pos[1]][pos[2]] * ( m_enginePtr->curr[0][pos[0]][pos[1]][pos[2]] - m_enginePtr->curr[0][pos[0]][pos[1]][pos[2]-shift[2]] - m_enginePtr->curr[2][pos[0]][pos[1]][pos[2]] + m_enginePtr->curr[2][pos[0]-shift[0]][pos[1]][pos[2]]);
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//for x
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m_enginePtr->volt[2][pos[0]][pos[1]][pos[2]] *= m_enginePtr->Op->vv[2][pos[0]][pos[1]][pos[2]];
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m_enginePtr->volt[2][pos[0]][pos[1]][pos[2]] += m_enginePtr->Op->vi[2][pos[0]][pos[1]][pos[2]] * ( m_enginePtr->curr[1][pos[0]][pos[1]][pos[2]] - m_enginePtr->curr[1][pos[0]-shift[0]][pos[1]][pos[2]] - m_enginePtr->curr[0][pos[0]][pos[1]][pos[2]] + m_enginePtr->curr[0][pos[0]][pos[1]-shift[1]][pos[2]]);
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}
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}
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}
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// record time
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DEBUG_TIME( m_enginePtr->m_timer_list[boost::this_thread::get_id()].push_back( timer1.elapsed() ); )
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//cout << "Thread " << boost::this_thread::get_id() << " m_barrier1 waiting..." << endl;
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m_enginePtr->m_barrier1->wait();
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// record time
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DEBUG_TIME( m_enginePtr->m_timer_list[boost::this_thread::get_id()].push_back( timer1.elapsed() ); )
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// e-field excitation (thread thread_e_excitation)
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m_enginePtr->m_barrier2->wait();
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// e_excitation finished
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// record time
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DEBUG_TIME( m_enginePtr->m_timer_list[boost::this_thread::get_id()].push_back( timer1.elapsed() ); )
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//current updates
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for (pos[0]=m_start;pos[0]<=m_stop_h;++pos[0])
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{
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for (pos[1]=0;pos[1]<m_enginePtr->Op->numLines[1]-1;++pos[1])
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{
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for (pos[2]=0;pos[2]<m_enginePtr->Op->numLines[2]-1;++pos[2])
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{
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//do the updates here
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//for x
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m_enginePtr->curr[0][pos[0]][pos[1]][pos[2]] *= m_enginePtr->Op->ii[0][pos[0]][pos[1]][pos[2]];
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m_enginePtr->curr[0][pos[0]][pos[1]][pos[2]] += m_enginePtr->Op->iv[0][pos[0]][pos[1]][pos[2]] * ( m_enginePtr->volt[2][pos[0]][pos[1]][pos[2]] - m_enginePtr->volt[2][pos[0]][pos[1]+1][pos[2]] - m_enginePtr->volt[1][pos[0]][pos[1]][pos[2]] + m_enginePtr->volt[1][pos[0]][pos[1]][pos[2]+1]);
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//for y
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m_enginePtr->curr[1][pos[0]][pos[1]][pos[2]] *= m_enginePtr->Op->ii[1][pos[0]][pos[1]][pos[2]];
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m_enginePtr->curr[1][pos[0]][pos[1]][pos[2]] += m_enginePtr->Op->iv[1][pos[0]][pos[1]][pos[2]] * ( m_enginePtr->volt[0][pos[0]][pos[1]][pos[2]] - m_enginePtr->volt[0][pos[0]][pos[1]][pos[2]+1] - m_enginePtr->volt[2][pos[0]][pos[1]][pos[2]] + m_enginePtr->volt[2][pos[0]+1][pos[1]][pos[2]]);
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//for x
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m_enginePtr->curr[2][pos[0]][pos[1]][pos[2]] *= m_enginePtr->Op->ii[2][pos[0]][pos[1]][pos[2]];
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m_enginePtr->curr[2][pos[0]][pos[1]][pos[2]] += m_enginePtr->Op->iv[2][pos[0]][pos[1]][pos[2]] * ( m_enginePtr->volt[1][pos[0]][pos[1]][pos[2]] - m_enginePtr->volt[1][pos[0]+1][pos[1]][pos[2]] - m_enginePtr->volt[0][pos[0]][pos[1]][pos[2]] + m_enginePtr->volt[0][pos[0]][pos[1]+1][pos[2]]);
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}
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}
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}
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// record time
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DEBUG_TIME( m_enginePtr->m_timer_list[boost::this_thread::get_id()].push_back( timer1.elapsed() ); )
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m_enginePtr->m_barrier3->wait();
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// record time
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DEBUG_TIME( m_enginePtr->m_timer_list[boost::this_thread::get_id()].push_back( timer1.elapsed() ); )
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//soft current excitation here (H-field excite)
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if (m_threadID == 0)
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++m_enginePtr->numTS; // only the first thread increments numTS
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}
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m_enginePtr->m_stopBarrier->wait();
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}
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//DBG().cout() << "Thread " << m_threadID << " (" << boost::this_thread::get_id() << ") finished." << endl;
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}
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} // namespace
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//
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// *************************************************************************************************************************
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//
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namespace NS_Engine_Multithread {
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thread_e_excitation::thread_e_excitation( Engine_Multithread* ptr )
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{
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m_enginePtr = ptr;
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}
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void thread_e_excitation::operator()()
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{
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//std::cout << "thread_e_excitation::operator()" << std::endl;
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//DBG().cout() << "Thread e_excitation (" << boost::this_thread::get_id() << ") started." << endl;
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int exc_pos;
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const unsigned int E_Exc_Count = m_enginePtr->Op->E_Exc_Count;
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while (!m_enginePtr->m_stopThreads)
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{
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// waiting on NS_Engine_Multithread::thread
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m_enginePtr->m_barrier1->wait();
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// soft voltage excitation here (E-field excite)
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for (unsigned int n=0;n<E_Exc_Count;++n)
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{
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exc_pos = (int)m_enginePtr->numTS - (int)m_enginePtr->Op->E_Exc_delay[n];
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exc_pos*= (exc_pos>0 && exc_pos<=(int)m_enginePtr->Op->ExciteLength);
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m_enginePtr->volt[m_enginePtr->Op->E_Exc_dir[n]][m_enginePtr->Op->E_Exc_index[0][n]][m_enginePtr->Op->E_Exc_index[1][n]][m_enginePtr->Op->E_Exc_index[2][n]] += m_enginePtr->Op->E_Exc_amp[n]*m_enginePtr->Op->ExciteSignal[exc_pos];
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}
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// continue NS_Engine_Multithread::thread
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m_enginePtr->m_barrier2->wait();
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}
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//DBG().cout() << "Thread e_excitation (" << boost::this_thread::get_id() << ") finished." << endl;
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}
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} // namespace
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@ -0,0 +1,99 @@
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/*
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* Copyright (C) 2010 Sebastian Held (sebastian.held@gmx.de)
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*
|
||||
* 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/>.
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*/
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#ifndef ENGINE_MULTITHREAD_H
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#define ENGINE_MULTITHREAD_H
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#include "operator.h"
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#include "engine.h"
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#include <boost/thread.hpp>
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#include <boost/fusion/include/list.hpp>
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#include <boost/fusion/container/list/list_fwd.hpp>
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#include <boost/fusion/include/list_fwd.hpp>
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class Engine_Multithread;
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namespace NS_Engine_Multithread {
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class DBG { // debug
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public:
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DBG() {}
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~DBG() { std::cout << os.str();}
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std::ostringstream& cout() {return os;}
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protected:
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std::ostringstream os;
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};
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class Timer { //debug
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public:
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||||
Timer() {gettimeofday(&t1,NULL);}
|
||||
double elapsed() {gettimeofday(&t2,NULL); return (t2.tv_sec-t1.tv_sec) + (t2.tv_usec-t1.tv_usec)*1e-6;}
|
||||
protected:
|
||||
timeval t1,t2;
|
||||
};
|
||||
|
||||
class thread {
|
||||
public:
|
||||
thread( Engine_Multithread* ptr, unsigned int start, unsigned int stop, unsigned int stop_h, unsigned int threadID );
|
||||
void operator()();
|
||||
|
||||
protected:
|
||||
unsigned int m_start, m_stop, m_stop_h, m_threadID;
|
||||
Engine_Multithread *m_enginePtr;
|
||||
};
|
||||
|
||||
class thread_e_excitation {
|
||||
public:
|
||||
thread_e_excitation( Engine_Multithread* ptr);
|
||||
void operator()();
|
||||
|
||||
protected:
|
||||
Engine_Multithread *m_enginePtr;
|
||||
};
|
||||
} // namespace
|
||||
|
||||
|
||||
class Engine_Multithread : public Engine
|
||||
{
|
||||
friend class NS_Engine_Multithread::thread;
|
||||
friend class NS_Engine_Multithread::thread_e_excitation;
|
||||
public:
|
||||
static Engine_Multithread* createEngine(const Operator* op, unsigned int numThreads = 0);
|
||||
virtual ~Engine_Multithread();
|
||||
|
||||
virtual void setNumThreads( unsigned int numThreads );
|
||||
virtual void Init();
|
||||
virtual void Reset();
|
||||
|
||||
//!Iterate a number of timesteps
|
||||
virtual bool IterateTS(unsigned int iterTS);
|
||||
|
||||
protected:
|
||||
Engine_Multithread(const Operator* op);
|
||||
boost::thread_group m_thread_group;
|
||||
boost::barrier *m_barrier1, *m_barrier2, *m_barrier3, *m_startBarrier, *m_stopBarrier;
|
||||
volatile unsigned int m_iterTS;
|
||||
unsigned int m_numThreads; //!< number of worker threads
|
||||
volatile bool m_stopThreads;
|
||||
|
||||
#ifdef ENABLE_DEBUG_TIME
|
||||
std::map<boost::thread::id, std::vector<double> > m_timer_list;
|
||||
#endif
|
||||
};
|
||||
|
||||
#endif // ENGINE_MULTITHREAD_H
|
||||
|
|
@ -205,14 +205,14 @@ struct Operator::Grid_Path Operator::FindPath(double start[], double stop[])
|
|||
return path;
|
||||
}
|
||||
|
||||
double Operator::GetNumberCells()
|
||||
double Operator::GetNumberCells() const
|
||||
{
|
||||
if (numLines)
|
||||
return (numLines[0])*(numLines[1])*(numLines[2]); //it's more like number of nodes???
|
||||
return 0;
|
||||
}
|
||||
|
||||
void Operator::ShowStat()
|
||||
void Operator::ShowStat() const
|
||||
{
|
||||
unsigned int OpSize = 12*numLines[0]*numLines[1]*numLines[2]*sizeof(FDTD_FLOAT);
|
||||
unsigned int FieldSize = 6*numLines[0]*numLines[1]*numLines[2]*sizeof(FDTD_FLOAT);
|
||||
|
|
@ -248,6 +248,39 @@ unsigned int Operator::CalcGaussianPulsExcitation(double f0, double fc)
|
|||
return GetNyquistNum(f0+fc);
|
||||
}
|
||||
|
||||
unsigned int Operator::CalcDiracPulsExcitation()
|
||||
{
|
||||
if (dT==0) return 0;
|
||||
|
||||
ExciteLength = 1;
|
||||
// cerr << "Operator::CalcDiracPulsExcitation: Length of the excite signal: " << ExciteLength << " timesteps" << endl;
|
||||
delete[] ExciteSignal;
|
||||
ExciteSignal = new FDTD_FLOAT[ExciteLength+1];
|
||||
ExciteSignal[0]=0.0;
|
||||
ExciteSignal[1]=1.0;
|
||||
|
||||
// FIXME GetNyquistNum() has side-effects!
|
||||
m_nyquistTS = 1;
|
||||
|
||||
return m_nyquistTS;
|
||||
}
|
||||
|
||||
unsigned int Operator::CalcStepExcitation()
|
||||
{
|
||||
if (dT==0) return 0;
|
||||
|
||||
ExciteLength = 1;
|
||||
delete[] ExciteSignal;
|
||||
ExciteSignal = new FDTD_FLOAT[ExciteLength+1];
|
||||
ExciteSignal[0]=1.0;
|
||||
ExciteSignal[1]=1.0;
|
||||
|
||||
// FIXME GetNyquistNum() has side-effects!
|
||||
m_nyquistTS = 1;
|
||||
|
||||
return m_nyquistTS;
|
||||
}
|
||||
|
||||
unsigned int Operator::CalcSinusExcitation(double f0, int nTS)
|
||||
{
|
||||
if (dT==0) return 0;
|
||||
|
|
|
|||
|
|
@ -41,15 +41,19 @@ public:
|
|||
virtual unsigned int CalcGaussianPulsExcitation(double f0, double fc);
|
||||
//! Calculate a sinusoidal excitation with frequency f0 and a duration of nTS number of timesteps \return number of Nyquist timesteps
|
||||
virtual unsigned int CalcSinusExcitation(double f0, int nTS);
|
||||
//! Calculate a dirac impuls excitation \return number of Nyquist timesteps
|
||||
virtual unsigned int CalcDiracPulsExcitation();
|
||||
//! Calculate a step excitation \return number of Nyquist timesteps
|
||||
virtual unsigned int CalcStepExcitation();
|
||||
|
||||
virtual void ApplyElectricBC(bool* dirs); //applied by default to all boundaries
|
||||
virtual void ApplyMagneticBC(bool* dirs);
|
||||
|
||||
double GetTimestep() {return dT;};
|
||||
double GetTimestep() const {return dT;};
|
||||
unsigned int GetNyquistNum(double fmax);
|
||||
double GetNumberCells();
|
||||
double GetNumberCells() const;
|
||||
|
||||
void ShowStat();
|
||||
void ShowStat() const;
|
||||
|
||||
void DumpOperator2File(string filename);
|
||||
void DumpMaterial2File(string filename);
|
||||
|
|
|
|||
|
|
@ -31,7 +31,7 @@ public:
|
|||
|
||||
virtual void DefineStartStopCoord(double* dstart, double* dstop);
|
||||
|
||||
void SetProcessInterval(unsigned int interval) {ProcessInterval=interval;}
|
||||
void SetProcessInterval(unsigned int interval) {ProcessInterval=max((unsigned int)1,interval);}
|
||||
virtual int Process() {return GetNextInterval();}
|
||||
|
||||
//! If Disabled Process() will do nothing...
|
||||
|
|
|
|||
|
|
@ -0,0 +1,152 @@
|
|||
function pass = Coax
|
||||
|
||||
physical_constants;
|
||||
|
||||
|
||||
ENABLE_PLOTS = 1;
|
||||
CLEANUP = 0; % if enabled and result is PASS, remove simulation folder
|
||||
STOP_IF_FAILED = 1; % if enabled and result is FAILED, stop with error
|
||||
|
||||
% LIMITS
|
||||
upper_error = 0.036; % max +3.6%
|
||||
lower_error = 0; % max -0.0%
|
||||
|
||||
% structure
|
||||
abs_length = 250;
|
||||
length = 1000;
|
||||
coax_rad_i = 100;
|
||||
coax_rad_ai = 230;
|
||||
coax_rad_aa = 240;
|
||||
mesh_res = [5 5 5];
|
||||
f_start = 0;
|
||||
f_stop = 1e9;
|
||||
|
||||
Sim_Path = 'tmp';
|
||||
Sim_CSX = 'coax.xml';
|
||||
|
||||
[status,message,messageid]=mkdir(Sim_Path);
|
||||
|
||||
%setup FDTD parameter
|
||||
FDTD = InitFDTD(5e5,1e-6);
|
||||
FDTD = SetGaussExcite(FDTD,(f_stop-f_start)/2,(f_stop-f_start)/2);
|
||||
BC = [1 1 1 1 1 1] * 0;
|
||||
FDTD = SetBoundaryCond(FDTD,BC);
|
||||
|
||||
%setup CSXCAD geometry
|
||||
CSX = InitCSX();
|
||||
mesh.x = -2.5*mesh_res(1)-coax_rad_aa : mesh_res(1) : coax_rad_aa+2.5*mesh_res(1);
|
||||
mesh.y = mesh.x;
|
||||
mesh.z = 0 : mesh_res(3) : length;
|
||||
CSX = DefineRectGrid(CSX, 1e-3,mesh);
|
||||
|
||||
%create copper
|
||||
CSX = AddMetal(CSX,'PEC');
|
||||
|
||||
%%%fake pml
|
||||
finalKappa = 0.3/abs_length^4;
|
||||
finalSigma = finalKappa*MUE0/EPS0;
|
||||
CSX = AddMaterial(CSX,'pml');
|
||||
CSX = SetMaterialProperty(CSX,'pml','Kappa',finalKappa);
|
||||
CSX = SetMaterialProperty(CSX,'pml','Sigma',finalSigma);
|
||||
CSX = SetMaterialWeight(CSX,'pml','Kappa',['pow(abs(z)-' num2str(length-abs_length) ',4)']);
|
||||
CSX = SetMaterialWeight(CSX,'pml','Sigma',['pow(abs(z)-' num2str(length-abs_length) ',4)']);
|
||||
|
||||
%%% coax
|
||||
start = [0, 0 , 0];stop = [0, 0 , length];
|
||||
CSX = AddCylinder(CSX,'PEC',0 ,start,stop,coax_rad_i); % inner conductor
|
||||
CSX = AddCylindricalShell(CSX,'PEC',0 ,start,stop,0.5*(coax_rad_aa+coax_rad_ai),(coax_rad_aa-coax_rad_ai)); % outer conductor
|
||||
|
||||
%%% add PML
|
||||
start(3) = length-abs_length;
|
||||
CSX = AddCylindricalShell(CSX,'pml',0 ,start,stop,0.5*(coax_rad_i+coax_rad_ai),(coax_rad_ai-coax_rad_i));
|
||||
start(3) = 0; stop(3)=mesh_res(1)/2;
|
||||
CSX = AddExcitation(CSX,'excite',0,[1 1 0]);
|
||||
weight{1} = '(x)/(x*x+y*y)';
|
||||
weight{2} = 'y/pow(rho,2)';
|
||||
weight{3} = 0;
|
||||
CSX = SetExcitationWeight(CSX, 'excite', weight );
|
||||
CSX = AddCylindricalShell(CSX,'excite',0 ,start,stop,0.5*(coax_rad_i+coax_rad_ai),(coax_rad_ai-coax_rad_i));
|
||||
|
||||
%dump
|
||||
CSX = AddDump(CSX,'Et_',0,2);
|
||||
start = [mesh.x(1) , 0 , mesh.z(1)];
|
||||
stop = [mesh.x(end) , 0 , mesh.z(end)];
|
||||
CSX = AddBox(CSX,'Et_',0 , start,stop);
|
||||
|
||||
CSX = AddDump(CSX,'Ht_',1,2);
|
||||
CSX = AddBox(CSX,'Ht_',0,start,stop);
|
||||
|
||||
%voltage calc
|
||||
CSX = AddProbe(CSX,'ut1',0);
|
||||
start = [ coax_rad_i 0 length/2 ];stop = [ coax_rad_ai 0 length/2 ];
|
||||
CSX = AddBox(CSX,'ut1', 0 ,start,stop);
|
||||
|
||||
%current calc
|
||||
CSX = AddProbe(CSX,'it1',1);
|
||||
mid = 0.5*(coax_rad_i+coax_rad_ai);
|
||||
start = [ -mid -mid length/2 ];stop = [ mid mid length/2 ];
|
||||
CSX = AddBox(CSX,'it1', 0 ,start,stop);
|
||||
|
||||
%Write openEMS compatible xml-file
|
||||
WriteOpenEMS([Sim_Path '/' Sim_CSX],FDTD,CSX);
|
||||
|
||||
%cd to working dir and run openEMS
|
||||
savePath = pwd();
|
||||
cd(Sim_Path); %cd to working dir
|
||||
invoke_openEMS( Sim_CSX );
|
||||
UI = ReadUI( {'ut1','it1'} );
|
||||
cd(savePath);
|
||||
|
||||
|
||||
|
||||
%
|
||||
% analysis
|
||||
%
|
||||
|
||||
f = UI.FD{2}.f;
|
||||
u = UI.FD{1}.val;
|
||||
i = UI.FD{2}.val;
|
||||
|
||||
f_idx_start = interp1( f, 1:numel(f), f_start, 'nearest' );
|
||||
f_idx_stop = interp1( f, 1:numel(f), f_stop, 'nearest' );
|
||||
f = f(f_idx_start:f_idx_stop);
|
||||
u = u(f_idx_start:f_idx_stop);
|
||||
i = i(f_idx_start:f_idx_stop);
|
||||
|
||||
Z = abs(u./i);
|
||||
|
||||
% analytic formular for characteristic impedance
|
||||
Z0 = sqrt(MUE0/EPS0) * log(coax_rad_ai/coax_rad_i) / (2*pi);
|
||||
upper_limit = Z0 * (1+upper_error);
|
||||
lower_limit = Z0 * (1-lower_error);
|
||||
|
||||
if ENABLE_PLOTS
|
||||
upper = upper_limit * ones(1,size(Z,2));
|
||||
lower = lower_limit * ones(1,size(Z,2));
|
||||
Z0_plot = Z0 * ones(1,size(Z,2));
|
||||
figure
|
||||
plot(f/1e9,[Z;upper;lower])
|
||||
hold on
|
||||
plot(f/1e9,Z0_plot,'m-.','LineWidth',2)
|
||||
hold off
|
||||
xlabel('Frequency (GHz)')
|
||||
ylabel('Impedance (Ohm)')
|
||||
legend( {'sim', 'upper limit', 'lower limit', 'theoretical'} );
|
||||
end
|
||||
|
||||
pass = check_limits( Z, upper_limit, lower_limit );
|
||||
if pass
|
||||
disp( 'combinedtests/Coax.m (characteristic impedance): pass' );
|
||||
else
|
||||
disp( 'combinedtests/Coax.m (characteristic impedance): * FAILED *' );
|
||||
end
|
||||
|
||||
|
||||
|
||||
|
||||
if pass && CLEANUP
|
||||
rmdir( [Sim_Path '/' Sim_CSX], 's' );
|
||||
end
|
||||
if ~pass && STOP_IF_FAILED
|
||||
error 'test failed';
|
||||
end
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
#
|
||||
# These scripts test the full simulator (not single features)
|
||||
#
|
||||
|
|
@ -0,0 +1,212 @@
|
|||
function pass = cavity
|
||||
|
||||
physical_constants;
|
||||
|
||||
|
||||
ENABLE_PLOTS = 1;
|
||||
CLEANUP = 0; % if enabled and result is PASS, remove simulation folder
|
||||
STOP_IF_FAILED = 1; % if enabled and result is FAILED, stop with error
|
||||
|
||||
% LIMITS - inside
|
||||
lower_rel_limit = 1.3e-3; % -0.13%
|
||||
upper_rel_limit = 1.3e-3; % +0.13%
|
||||
lower_rel_limit_TM = 2.5e-3; % -0.25%
|
||||
upper_rel_limit_TM = 0; % +0%
|
||||
min_rel_amplitude = 0.6; % 60%
|
||||
min_rel_amplitude_TM = 0.27; % 27%
|
||||
|
||||
% LIMITS - outside
|
||||
outer_rel_limit = 0.02;
|
||||
max_rel_amplitude = 0.17;
|
||||
|
||||
|
||||
% structure
|
||||
a = 5e-2;
|
||||
b = 2e-2;
|
||||
d = 6e-2;
|
||||
if ~((b<a) && (a<d))
|
||||
error 'correct the dimensions of the cavity'
|
||||
end
|
||||
|
||||
f_start = 1e9;
|
||||
f_stop = 10e9;
|
||||
|
||||
Sim_Path = 'tmp';
|
||||
Sim_CSX = 'cavity.xml';
|
||||
|
||||
[status,message,messageid]=mkdir(Sim_Path);
|
||||
|
||||
%setup FDTD parameter
|
||||
FDTD = InitFDTD( 10000,1e-6 );
|
||||
FDTD = SetGaussExcite(FDTD,(f_stop-f_start)/2,(f_stop-f_start)/2);
|
||||
BC = [0 0 0 0 0 0]; % PEC boundaries
|
||||
FDTD = SetBoundaryCond(FDTD,BC);
|
||||
|
||||
%setup CSXCAD geometry
|
||||
CSX = InitCSX();
|
||||
grid_res = 2e-3;
|
||||
mesh.x = 0:grid_res:a; %linspace(0,a,25);
|
||||
mesh.y = 0:grid_res:b; %linspace(0,b,25);
|
||||
mesh.z = 0:grid_res:d; %linspace(0,d,25);
|
||||
CSX = DefineRectGrid(CSX, 1,mesh);
|
||||
|
||||
% excitation
|
||||
CSX = AddExcitation(CSX,'excite1',0,[1 1 1]);
|
||||
p(1,1) = mesh.x(floor(end*2/3));
|
||||
p(2,1) = mesh.y(floor(end*2/3));
|
||||
p(3,1) = mesh.z(floor(end*2/3));
|
||||
p(1,2) = mesh.x(floor(end*2/3)+1);
|
||||
p(2,2) = mesh.y(floor(end*2/3)+1);
|
||||
p(3,2) = mesh.z(floor(end*2/3)+1);
|
||||
CSX = AddCurve( CSX, 'excite1', 0, p );
|
||||
|
||||
%dump
|
||||
% CSX = AddDump(CSX,'Et_',0,2);
|
||||
% pos1 = [mesh.x(1) mesh.y(1) mesh.z(1)];
|
||||
% pos2 = [mesh.x(end) mesh.y(end) mesh.z(end)];
|
||||
% CSX = AddBox(CSX,'Et_',0 , pos1,pos2);
|
||||
|
||||
% %dump
|
||||
% CSX = AddDump(CSX,'Et2_',0,2);
|
||||
% pos1 = [mesh.x(1) mesh.y(1) mesh.z(1)];
|
||||
% pos2 = [mesh.x(end) mesh.y(1) mesh.z(end)];
|
||||
% CSX = AddBox(CSX,'Et2_',0 , pos1,pos2);
|
||||
%
|
||||
% %dump
|
||||
% CSX = AddDump(CSX,'Et3_',0,2);
|
||||
% pos1 = [mesh.x(1) mesh.y(end-1) mesh.z(1)];
|
||||
% pos2 = [mesh.x(end) mesh.y(end-1) mesh.z(end)];
|
||||
% CSX = AddBox(CSX,'Et3_',0 , pos1,pos2);
|
||||
|
||||
%voltage calc
|
||||
CSX = AddProbe(CSX,'ut1x',0);
|
||||
pos1 = [mesh.x(floor(end/4)) mesh.y(floor(end/2)) mesh.z(floor(end/5))];
|
||||
pos2 = [mesh.x(floor(end/4)+1) mesh.y(floor(end/2)) mesh.z(floor(end/5))];
|
||||
CSX = AddBox(CSX,'ut1x', 0 ,pos1,pos2);
|
||||
|
||||
CSX = AddProbe(CSX,'ut1y',0);
|
||||
pos1 = [mesh.x(floor(end/4)) mesh.y(floor(end/2)) mesh.z(floor(end/5))];
|
||||
pos2 = [mesh.x(floor(end/4)) mesh.y(floor(end/2)+1) mesh.z(floor(end/5))];
|
||||
CSX = AddBox(CSX,'ut1y', 0 ,pos1,pos2);
|
||||
|
||||
CSX = AddProbe(CSX,'ut1z',0);
|
||||
pos1 = [mesh.x(floor(end/2)) mesh.y(floor(end/2)) mesh.z(floor(end/5))];
|
||||
pos2 = [mesh.x(floor(end/2)) mesh.y(floor(end/2)) mesh.z(floor(end/5)+1)];
|
||||
CSX = AddBox(CSX,'ut1z', 0 ,pos1,pos2);
|
||||
|
||||
%Write openEMS compatible xml-file
|
||||
WriteOpenEMS([Sim_Path '/' Sim_CSX],FDTD,CSX);
|
||||
|
||||
%cd to working dir and run openEMS
|
||||
savePath = pwd();
|
||||
cd(Sim_Path); %cd to working dir
|
||||
invoke_openEMS( Sim_CSX );
|
||||
UI = ReadUI( {'ut1x', 'ut1y', 'ut1z'} );
|
||||
cd(savePath);
|
||||
|
||||
|
||||
|
||||
%
|
||||
% analysis
|
||||
%
|
||||
|
||||
% remove excitation from time series
|
||||
t_start = 7e-10; % FIXME to be calculated
|
||||
t_idx_start = interp1( UI.TD{1}.t, 1:numel(UI.TD{1}.t), t_start, 'nearest' );
|
||||
for n=1:numel(UI.TD)
|
||||
UI.TD{n}.t = UI.TD{n}.t(t_idx_start:end);
|
||||
UI.TD{n}.val = UI.TD{n}.val(t_idx_start:end);
|
||||
[UI.FD{n}.f,UI.FD{n}.val] = FFT_time2freq( UI.TD{n}.t, UI.TD{n}.val );
|
||||
end
|
||||
|
||||
|
||||
f = UI.FD{1}.f;
|
||||
ux = UI.FD{1}.val;
|
||||
uy = UI.FD{2}.val;
|
||||
uz = UI.FD{3}.val;
|
||||
|
||||
f_idx_start = interp1( f, 1:numel(f), f_start, 'nearest' );
|
||||
f_idx_stop = interp1( f, 1:numel(f), f_stop, 'nearest' );
|
||||
f = f(f_idx_start:f_idx_stop);
|
||||
ux = ux(f_idx_start:f_idx_stop);
|
||||
uy = uy(f_idx_start:f_idx_stop);
|
||||
uz = uz(f_idx_start:f_idx_stop);
|
||||
|
||||
% analytic formula for resonant wavenumber
|
||||
k = @(m,n,l) sqrt( (m*pi/a)^2 + (n*pi/b)^2 + (l*pi/d)^2 );
|
||||
f_TE101 = c0/(2*pi) * k(1,0,1);
|
||||
f_TE102 = c0/(2*pi) * k(1,0,2);
|
||||
f_TE201 = c0/(2*pi) * k(2,0,1);
|
||||
f_TE202 = c0/(2*pi) * k(2,0,2);
|
||||
f_TM110 = c0/(2*pi) * k(1,1,0);
|
||||
f_TM111 = c0/(2*pi) * k(1,1,1);
|
||||
|
||||
f_TE = [f_TE101 f_TE102 f_TE201 f_TE202];
|
||||
f_TM = [f_TM110 f_TM111];
|
||||
|
||||
% calculate frequency limits
|
||||
temp = [f_start f_TE f_stop];
|
||||
f_outer1 = [];
|
||||
f_outer2 = [];
|
||||
for n=1:numel(temp)-1
|
||||
f_outer1 = [f_outer1 temp(n) .* (1+outer_rel_limit)];
|
||||
f_outer2 = [f_outer2 temp(n+1) .* (1-outer_rel_limit)];
|
||||
end
|
||||
|
||||
temp = [f_start f_TM f_stop];
|
||||
f_outer1_TM = [];
|
||||
f_outer2_TM = [];
|
||||
for n=1:numel(temp)-1
|
||||
f_outer1_TM = [f_outer1_TM temp(n) .* (1+outer_rel_limit)];
|
||||
f_outer2_TM = [f_outer2_TM temp(n+1) .* (1-outer_rel_limit)];
|
||||
end
|
||||
|
||||
|
||||
if ENABLE_PLOTS
|
||||
figure
|
||||
plot(f/1e9,abs(uy))
|
||||
max1 = max(abs(uy));
|
||||
hold on
|
||||
plot( repmat(f_TE,2,1)/1e9, repmat([0; max1],1,numel(f_TE)), 'm-.', 'LineWidth', 2 )
|
||||
plot( (repmat(f_TE,2,1) .* repmat(1-lower_rel_limit,2,numel(f_TE)))/1e9, repmat([0; max1],1,numel(f_TE)), 'r-', 'LineWidth', 1 )
|
||||
plot( (repmat(f_TE,2,1) .* repmat(1+upper_rel_limit,2,numel(f_TE)))/1e9, repmat([0; max1],1,numel(f_TE)), 'r-', 'LineWidth', 1 )
|
||||
plot( (repmat(f_TE,2,1) .* repmat([1-outer_rel_limit;1+outer_rel_limit],1,numel(f_TE)))/1e9, repmat(max1*min_rel_amplitude,2,numel(f_TE)), 'r-', 'LineWidth', 1 ) % freq limits
|
||||
plot( [f_outer1;f_outer2]/1e9, repmat(max1*max_rel_amplitude,2,numel(f_outer1)), 'g-', 'LineWidth', 1 ) % amplitude limits
|
||||
xlabel('Frequency (GHz)')
|
||||
legend( {'u_y','theoretical'} )
|
||||
title( 'TE-modes' )
|
||||
|
||||
figure
|
||||
plot(f/1e9,abs(uz))
|
||||
max1 = max(abs(uz));
|
||||
hold on
|
||||
plot( repmat(f_TM,2,1)/1e9, repmat([0; max1],1,numel(f_TM)), 'm-.', 'LineWidth', 2 )
|
||||
plot( (repmat(f_TM,2,1) .* repmat(1-lower_rel_limit_TM,2,numel(f_TM)))/1e9, repmat([0; max1],1,numel(f_TM)), 'r-', 'LineWidth', 1 )
|
||||
plot( (repmat(f_TM,2,1) .* repmat(1+upper_rel_limit_TM,2,numel(f_TM)))/1e9, repmat([0; max1],1,numel(f_TM)), 'r-', 'LineWidth', 1 )
|
||||
plot( (repmat(f_TM,2,1) .* repmat([1-lower_rel_limit_TM;1+upper_rel_limit_TM],1,numel(f_TM)))/1e9, repmat(max1*min_rel_amplitude_TM,2,numel(f_TM)), 'r-', 'LineWidth', 1 ) % freq limits
|
||||
plot( [f_outer1_TM;f_outer2_TM]/1e9, repmat(max1*max_rel_amplitude,2,numel(f_outer1_TM)), 'g-', 'LineWidth', 1 ) % amplitude limits
|
||||
xlabel('Frequency (GHz)')
|
||||
legend( {'u_z','theoretical'} )
|
||||
title( 'TM-modes' )
|
||||
end
|
||||
|
||||
pass1 = check_frequency( f, abs(uy), f_TE*(1+upper_rel_limit), f_TE*(1-lower_rel_limit), min_rel_amplitude, 'inside' );
|
||||
pass2 = check_frequency( f, abs(uz), f_TM*(1+upper_rel_limit_TM), f_TM*(1-lower_rel_limit_TM), min_rel_amplitude_TM, 'inside' );
|
||||
pass3 = check_frequency( f, abs(uy), f_outer2, f_outer1, max_rel_amplitude, 'outside' );
|
||||
pass4 = check_frequency( f, abs(uz), f_outer2_TM, f_outer1_TM, max_rel_amplitude, 'outside' );
|
||||
pass = pass1 && pass2 && pass3 && pass4;
|
||||
if pass
|
||||
disp( 'combinedtests/cavity.m (resonance frequency): pass' );
|
||||
else
|
||||
disp( 'combinedtests/cavity.m (resonance frequency): * FAILED *' );
|
||||
end
|
||||
|
||||
|
||||
|
||||
|
||||
if pass && CLEANUP
|
||||
rmdir( [Sim_Path '/' Sim_CSX], 's' );
|
||||
end
|
||||
if ~pass && STOP_IF_FAILED
|
||||
error 'test failed';
|
||||
end
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
function pass = check_frequency( f, val, f_upper, f_lower, rel_amplitude, type )
|
||||
|
||||
pass = true;
|
||||
max1 = max(val);
|
||||
|
||||
if numel(f_upper) ~= numel(f_lower)
|
||||
error 'inconsistant vectors'
|
||||
end
|
||||
|
||||
for n=1:numel(f_upper)
|
||||
f1 = f_lower(n);
|
||||
f2 = f_upper(n);
|
||||
f1_idx = interp1( f, 1:numel(f), f1, 'nearest' );
|
||||
% if f(f1_idx) < f1, f1_idx = f1_idx + 1; end
|
||||
f2_idx = interp1( f, 1:numel(f), f2, 'nearest' );
|
||||
% if f(f2_idx) > f2, f2_idx = f2_idx - 1; end
|
||||
|
||||
if strcmp( type, 'inside' )
|
||||
if max( val(f1_idx:f2_idx) ) < max1 * rel_amplitude
|
||||
pass = false;
|
||||
return
|
||||
end
|
||||
elseif strcmp( type, 'outside' )
|
||||
if max( val(f1_idx:f2_idx) ) > max1 * rel_amplitude
|
||||
pass = false;
|
||||
return
|
||||
end
|
||||
else
|
||||
error 'unsupported operation'
|
||||
end
|
||||
end
|
||||
|
|
@ -0,0 +1,22 @@
|
|||
function pass = check_limits( Z, upper_limit, lower_limit )
|
||||
|
||||
% make row vector
|
||||
if size(Z,1) ~= 1
|
||||
Z = Z.';
|
||||
end
|
||||
|
||||
if numel(upper_limit) == 1
|
||||
upper_limit = upper_limit * ones(1,size(Z,2));
|
||||
end
|
||||
if numel(lower_limit) == 1
|
||||
lower_limit = lower_limit * ones(1,size(Z,2));
|
||||
end
|
||||
|
||||
|
||||
pass = 1;
|
||||
if any( Z > upper_limit )
|
||||
pass = 0;
|
||||
end
|
||||
if any( Z < lower_limit )
|
||||
pass = 0;
|
||||
end
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
function invoke_openEMS( opts )
|
||||
|
||||
if nargin < 1
|
||||
opts = '';
|
||||
end
|
||||
% openEMS_opts = [openEMS_opts ' --disable-dumps'];
|
||||
% openEMS_opts = [openEMS_opts ' --debug-material'];
|
||||
|
||||
filename = mfilename('fullpath');
|
||||
dir = fileparts( filename );
|
||||
openEMS_Path = [dir '/../../'];
|
||||
|
||||
command = [openEMS_Path 'openEMS.sh ' opts];
|
||||
disp(command);
|
||||
system(command);
|
||||
|
|
@ -0,0 +1,8 @@
|
|||
%
|
||||
% physical constants
|
||||
%
|
||||
|
||||
% Bronstein 3rd ed., 1997, pp. 945-946
|
||||
c0 = 299792458; % m/s
|
||||
MUE0 = 4e-7*pi; % N/A^2
|
||||
EPS0 = 1/(MUE0*c0^2); % F/m
|
||||
|
|
@ -1,4 +1,8 @@
|
|||
function FDTD = SetBoundaryCond(FDTD,BC)
|
||||
% FDTD = SetBoundaryCond(FDTD,BC)
|
||||
%
|
||||
% BC = [xmin xmax ymin ymax zmin zmax];
|
||||
% ?min/?max: 0=PEC 1=PMC
|
||||
|
||||
FDTD.BoundaryCond.ATTRIBUTE.xmin=BC(1);
|
||||
FDTD.BoundaryCond.ATTRIBUTE.xmax=BC(2);
|
||||
|
|
|
|||
15
openEMS.pro
15
openEMS.pro
|
|
@ -1,7 +1,7 @@
|
|||
# -------------------------------------------------
|
||||
# Project created by QtCreator 2010-02-26T22:34:51
|
||||
# -------------------------------------------------
|
||||
QT -= gui
|
||||
QT -= gui core
|
||||
TARGET = openEMS
|
||||
CONFIG += console
|
||||
CONFIG -= app_bundle
|
||||
|
|
@ -14,11 +14,11 @@ LIBS += -L../CSXCAD \
|
|||
-L../fparser \
|
||||
-lfparser \
|
||||
-L../tinyxml \
|
||||
-ltinyxml
|
||||
-ltinyxml \
|
||||
-lboost_thread
|
||||
QMAKE_LFLAGS += \'-Wl,-rpath,\$$ORIGIN/../CSXCAD\'
|
||||
QMAKE_LFLAGS += \'-Wl,-rpath,\$$ORIGIN/../fparser\'
|
||||
QMAKE_LFLAGS += \'-Wl,-rpath,\$$ORIGIN/../tinyxml\'
|
||||
|
||||
SOURCES += main.cpp \
|
||||
tools/ErrorMsg.cpp \
|
||||
tools/AdrOp.cpp \
|
||||
|
|
@ -31,7 +31,8 @@ SOURCES += main.cpp \
|
|||
FDTD/processfields_td.cpp \
|
||||
FDTD/processcurrent.cpp \
|
||||
examples/FDTD_examples.cpp \
|
||||
openems.cpp
|
||||
openems.cpp \
|
||||
FDTD/engine_multithread.cpp
|
||||
HEADERS += tools/ErrorMsg.h \
|
||||
tools/AdrOp.h \
|
||||
tools/constants.h \
|
||||
|
|
@ -44,4 +45,8 @@ HEADERS += tools/ErrorMsg.h \
|
|||
FDTD/processfields_td.h \
|
||||
FDTD/processcurrent.h \
|
||||
examples/FDTD_examples.h \
|
||||
openems.h
|
||||
openems.h \
|
||||
FDTD/engine_multithread.h
|
||||
|
||||
QMAKE_CXXFLAGS_RELEASE = -O2 -g -march=native
|
||||
QMAKE_CXXFLAGS_DEBUG = -O0 -g -march=native
|
||||
|
|
|
|||
84
openems.cpp
84
openems.cpp
|
|
@ -20,6 +20,7 @@
|
|||
#include "tools/array_ops.h"
|
||||
#include "FDTD/operator.h"
|
||||
#include "FDTD/engine.h"
|
||||
#include "FDTD/engine_multithread.h"
|
||||
#include "FDTD/processvoltage.h"
|
||||
#include "FDTD/processcurrent.h"
|
||||
#include "FDTD/processfields_td.h"
|
||||
|
|
@ -32,8 +33,8 @@
|
|||
|
||||
double CalcDiffTime(timeval t1, timeval t2)
|
||||
{
|
||||
double s_diff = difftime(t1.tv_sec,t2.tv_sec);
|
||||
s_diff += ((double)t1.tv_usec-(double)t2.tv_usec)*1e-6;
|
||||
double s_diff = t1.tv_sec - t2.tv_sec;
|
||||
s_diff += (t1.tv_usec-t2.tv_usec)*1e-6;
|
||||
return s_diff;
|
||||
}
|
||||
|
||||
|
|
@ -46,27 +47,22 @@ openEMS::openEMS()
|
|||
DebugMat = false;
|
||||
DebugOp = false;
|
||||
endCrit = 1e-6;
|
||||
|
||||
m_engine = EngineType_Standard;
|
||||
m_engine_numThreads = 0;
|
||||
}
|
||||
|
||||
openEMS::~openEMS()
|
||||
{
|
||||
delete FDTD_Eng;
|
||||
FDTD_Eng=NULL;
|
||||
delete PA;
|
||||
PA=NULL;
|
||||
delete FDTD_Op;
|
||||
FDTD_Op=NULL;
|
||||
Reset();
|
||||
}
|
||||
|
||||
void openEMS::Reset()
|
||||
{
|
||||
delete FDTD_Op;
|
||||
FDTD_Op=NULL;
|
||||
delete FDTD_Eng;
|
||||
FDTD_Eng=NULL;
|
||||
if (PA) PA->DeleteAll();
|
||||
delete PA;
|
||||
PA=NULL;
|
||||
delete PA; PA=0;
|
||||
delete FDTD_Eng; FDTD_Eng=0;
|
||||
delete FDTD_Op; FDTD_Op=0;
|
||||
}
|
||||
|
||||
//! \brief processes a command line argument
|
||||
|
|
@ -95,6 +91,18 @@ bool openEMS::parseCommandLineArgument( const char *argv )
|
|||
DebugOperator();
|
||||
return true;
|
||||
}
|
||||
else if (strcmp(argv,"--engine=multithreaded")==0)
|
||||
{
|
||||
cout << "openEMS - enabled multithreading" << endl;
|
||||
m_engine = EngineType_Multithreaded;
|
||||
return true;
|
||||
}
|
||||
else if (strncmp(argv,"--numThreads=",13)==0)
|
||||
{
|
||||
m_engine_numThreads = atoi(argv+13);
|
||||
cout << "openEMS - fixed number of threads: " << m_engine_numThreads << endl;
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
|
@ -158,6 +166,11 @@ int openEMS::SetupFDTD(const char* file)
|
|||
Excite->QueryDoubleAttribute("f0",&f0);
|
||||
fc = 0;
|
||||
}
|
||||
else if (Excit_Type==2)
|
||||
{
|
||||
Excite->QueryDoubleAttribute("f0",&f0);
|
||||
fc = 0;
|
||||
}
|
||||
|
||||
TiXmlElement* BC = FDTD_Opts->FirstChildElement("BoundaryCond");
|
||||
if (BC==NULL)
|
||||
|
|
@ -210,6 +223,24 @@ int openEMS::SetupFDTD(const char* file)
|
|||
exit(2);
|
||||
}
|
||||
}
|
||||
else if (Excit_Type==2)
|
||||
{
|
||||
Nyquist = FDTD_Op->CalcDiracPulsExcitation();
|
||||
if (!Nyquist)
|
||||
{
|
||||
cerr << "openEMS: excitation setup failed!!" << endl;
|
||||
exit(2);
|
||||
}
|
||||
}
|
||||
else if (Excit_Type==3)
|
||||
{
|
||||
Nyquist = FDTD_Op->CalcStepExcitation();
|
||||
if (!Nyquist)
|
||||
{
|
||||
cerr << "openEMS: excitation setup failed!!" << endl;
|
||||
exit(2);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
cerr << "openEMS: Excitation type is unknown" << endl;
|
||||
|
|
@ -234,7 +265,15 @@ int openEMS::SetupFDTD(const char* file)
|
|||
cout << "Creation time for operator: " << difftime(OpDoneTime,startTime) << " s" << endl;
|
||||
|
||||
//create FDTD engine
|
||||
FDTD_Eng = new Engine(FDTD_Op);
|
||||
switch (m_engine) {
|
||||
case EngineType_Multithreaded:
|
||||
FDTD_Eng = Engine_Multithread::createEngine(FDTD_Op,m_engine_numThreads);
|
||||
break;
|
||||
default:
|
||||
FDTD_Eng = Engine::createEngine(FDTD_Op);
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
time_t currTime = time(NULL);
|
||||
|
||||
|
|
@ -317,17 +356,20 @@ void openEMS::RunFDTD()
|
|||
{
|
||||
cout << "Running FDTD engine... this may take a while... grab a cup of coffee?!?" << endl;
|
||||
|
||||
timeval currTime;
|
||||
gettimeofday(&currTime,NULL);
|
||||
timeval startTime = currTime;
|
||||
timeval prevTime= currTime;
|
||||
ProcessFields ProcField(FDTD_Op,FDTD_Eng);
|
||||
double maxE=0,currE=0;
|
||||
double change=1;
|
||||
int prevTS=0,currTS=0;
|
||||
double speed = (double)FDTD_Op->GetNumberCells()/1e6;
|
||||
double speed = FDTD_Op->GetNumberCells()/1e6;
|
||||
double t_diff;
|
||||
|
||||
timeval currTime;
|
||||
gettimeofday(&currTime,NULL);
|
||||
timeval startTime = currTime;
|
||||
timeval prevTime= currTime;
|
||||
|
||||
//*************** simulate ************//
|
||||
|
||||
int step=PA->Process();
|
||||
if ((step<0) || (step>(int)NrTS)) step=NrTS;
|
||||
while ((FDTD_Eng->GetNumberOfTimesteps()<NrTS) && (change>endCrit))
|
||||
|
|
@ -347,7 +389,7 @@ void openEMS::RunFDTD()
|
|||
if (currE>maxE)
|
||||
maxE=currE;
|
||||
cout << "[@" << setw(8) << (int)CalcDiffTime(currTime,startTime) << "s] Timestep: " << setw(12) << currTS << " (" << setw(6) << setprecision(2) << std::fixed << (double)currTS/(double)NrTS*100.0 << "%)" ;
|
||||
cout << " with currently " << setw(6) << setprecision(1) << std::fixed << speed*(double)(currTS-prevTS)/t_diff << " MCells/s" ;
|
||||
cout << " with currently " << setw(6) << setprecision(1) << std::fixed << speed*(currTS-prevTS)/t_diff << " MCells/s" ;
|
||||
if (maxE)
|
||||
change = currE/maxE;
|
||||
cout << " --- Energy: ~" << setw(6) << setprecision(2) << std::scientific << currE << " (decrement: " << setw(6) << setprecision(2) << std::fixed << fabs(10.0*log10(change)) << "dB)" << endl;
|
||||
|
|
|
|||
|
|
@ -52,6 +52,10 @@ protected:
|
|||
Operator* FDTD_Op;
|
||||
Engine* FDTD_Eng;
|
||||
ProcessingArray* PA;
|
||||
|
||||
enum EngineType {EngineType_Standard,EngineType_Multithreaded};
|
||||
EngineType m_engine;
|
||||
unsigned int m_engine_numThreads;
|
||||
};
|
||||
|
||||
#endif // OPENEMS_H
|
||||
|
|
|
|||
|
|
@ -18,7 +18,7 @@
|
|||
#include "array_ops.h"
|
||||
#include <ostream>
|
||||
|
||||
FDTD_FLOAT*** Create3DArray(unsigned int* numLines)
|
||||
FDTD_FLOAT*** Create3DArray(const unsigned int* numLines)
|
||||
{
|
||||
FDTD_FLOAT*** array=NULL;
|
||||
unsigned int pos[3];
|
||||
|
|
@ -38,7 +38,7 @@ FDTD_FLOAT*** Create3DArray(unsigned int* numLines)
|
|||
return array;
|
||||
}
|
||||
|
||||
void Delete3DArray(FDTD_FLOAT*** array, unsigned int* numLines)
|
||||
void Delete3DArray(FDTD_FLOAT*** array, const unsigned int* numLines)
|
||||
{
|
||||
if (array==NULL) return;
|
||||
unsigned int pos[3];
|
||||
|
|
@ -53,7 +53,7 @@ void Delete3DArray(FDTD_FLOAT*** array, unsigned int* numLines)
|
|||
delete[] array;
|
||||
}
|
||||
|
||||
FDTD_FLOAT**** Create_N_3DArray(unsigned int* numLines)
|
||||
FDTD_FLOAT**** Create_N_3DArray(const unsigned int* numLines)
|
||||
{
|
||||
FDTD_FLOAT**** array=NULL;
|
||||
array = new FDTD_FLOAT***[3];
|
||||
|
|
@ -64,7 +64,7 @@ FDTD_FLOAT**** Create_N_3DArray(unsigned int* numLines)
|
|||
return array;
|
||||
}
|
||||
|
||||
void Delete_N_3DArray(FDTD_FLOAT**** array, unsigned int* numLines)
|
||||
void Delete_N_3DArray(FDTD_FLOAT**** array, const unsigned int* numLines)
|
||||
{
|
||||
if (array==NULL) return;
|
||||
unsigned int pos[3];
|
||||
|
|
|
|||
|
|
@ -20,12 +20,12 @@
|
|||
|
||||
#include "../FDTD/operator.h"
|
||||
|
||||
FDTD_FLOAT*** Create3DArray(unsigned int* numLines);
|
||||
void Delete3DArray(FDTD_FLOAT*** array, unsigned int* numLines);
|
||||
FDTD_FLOAT*** Create3DArray(const unsigned int* numLines);
|
||||
void Delete3DArray(FDTD_FLOAT*** array, const unsigned int* numLines);
|
||||
|
||||
FDTD_FLOAT**** Create_N_3DArray(unsigned int* numLines);
|
||||
void Delete_N_3DArray(FDTD_FLOAT**** array, unsigned int* numLines);
|
||||
FDTD_FLOAT**** Create_N_3DArray(const unsigned int* numLines);
|
||||
void Delete_N_3DArray(FDTD_FLOAT**** array, const unsigned int* numLines);
|
||||
|
||||
void Dump_N_3DArray2File(ostream &file, FDTD_FLOAT**** array, unsigned int* numLines);
|
||||
void Dump_N_3DArray2File(ostream &file, FDTD_FLOAT**** array, const unsigned int* numLines);
|
||||
|
||||
#endif // ARRAY_OPS_H
|
||||
|
|
|
|||
Loading…
Reference in New Issue