summaryrefslogtreecommitdiff
path: root/openEMS/Common/processcurrent.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'openEMS/Common/processcurrent.cpp')
-rw-r--r--openEMS/Common/processcurrent.cpp168
1 files changed, 168 insertions, 0 deletions
diff --git a/openEMS/Common/processcurrent.cpp b/openEMS/Common/processcurrent.cpp
new file mode 100644
index 0000000..8c35bf0
--- /dev/null
+++ b/openEMS/Common/processcurrent.cpp
@@ -0,0 +1,168 @@
+/*
+* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de)
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "tools/global.h"
+#include "processcurrent.h"
+#include "FDTD/engine_interface_fdtd.h"
+#include <iomanip>
+
+ProcessCurrent::ProcessCurrent(Engine_Interface_Base* eng_if) : ProcessIntegral(eng_if)
+{
+ m_SnapMethod=1;
+}
+
+ProcessCurrent::~ProcessCurrent()
+{
+}
+
+string ProcessCurrent::GetIntegralName(int row) const
+{
+ if (row==0)
+ return "current";
+ return "unknown";
+}
+
+void ProcessCurrent::DefineStartStopCoord(double* dstart, double* dstop)
+{
+ ProcessIntegral::DefineStartStopCoord(dstart, dstop);
+
+ if ((m_normDir<0) || (m_normDir>2))
+ {
+ if (m_Dimension!=2)
+ {
+ cerr << "ProcessCurrent::DefineStartStopCoord(): Warning Current Integration Box \"" << m_filename << "\" is not a surface (found dimension: " << m_Dimension << ") nor has it set a valid normal direction! --> disabled" << endl;
+ SetEnable(false);
+ return;
+ }
+
+ for (int n=0; n<3; ++n)
+ {
+ if (stop[n] == start[n])
+ m_normDir = n;
+ }
+ }
+ else
+ {
+ //expand dimension to 2 if possible
+ m_Dimension = 0;
+ for (int n=0; n<3; ++n)
+ {
+ if (n==m_normDir)
+ continue;
+ if (dstart[n]==dstop[n])
+ {
+ if ((Op->GetDiscLine( n, start[n], true ) > dstart[n]) && (start[n]>0))
+ --start[n];
+ if ((Op->GetDiscLine( n, start[n], true ) < dstart[n]) && (stop[n]<Op->GetNumberOfLines(n)-1))
+ ++stop[n];
+ }
+ if (stop[n] > start[n])
+ ++m_Dimension;
+ }
+ }
+
+ if (start[m_normDir]!=stop[m_normDir])
+ {
+ cerr << "ProcessCurrent::DefineStartStopCoord(): Warning Current Integration Box \"" << m_filename << "\" has an expansion in normal direction! --> disabled" << endl;
+ SetEnable(false);
+ return;
+ }
+
+ if ((m_normDir<0) || (m_normDir>2))
+ {
+ cerr << "ProcessCurrent::DefineStartStopCoord(): Warning Current Integration Box \"" << m_filename << "\" has an invalid normal direction --> disabled" << endl;
+ SetEnable(false);
+ return;
+ }
+}
+
+double ProcessCurrent::CalcIntegral()
+{
+ FDTD_FLOAT current=0;
+
+ Engine_Interface_FDTD* EI_FDTD = dynamic_cast<Engine_Interface_FDTD*>(m_Eng_Interface);
+
+ if (EI_FDTD)
+ {
+ const Engine* Eng = EI_FDTD->GetFDTDEngine();
+
+
+ switch (m_normDir)
+ {
+ case 0:
+ //y-current
+ if (m_stop_inside[0] && m_start_inside[2])
+ for (unsigned int i=start[1]+1; i<=stop[1]; ++i)
+ current+=Eng->GetCurr(1,stop[0],i,start[2]);
+ //z-current
+ if (m_stop_inside[0] && m_stop_inside[1])
+ for (unsigned int i=start[2]+1; i<=stop[2]; ++i)
+ current+=Eng->GetCurr(2,stop[0],stop[1],i);
+ //y-current
+ if (m_start_inside[0] && m_stop_inside[2])
+ for (unsigned int i=start[1]+1; i<=stop[1]; ++i)
+ current-=Eng->GetCurr(1,start[0],i,stop[2]);
+ //z-current
+ if (m_start_inside[0] && m_start_inside[1])
+ for (unsigned int i=start[2]+1; i<=stop[2]; ++i)
+ current-=Eng->GetCurr(2,start[0],start[1],i);
+ break;
+ case 1:
+ //z-current
+ if (m_start_inside[0] && m_start_inside[1])
+ for (unsigned int i=start[2]+1; i<=stop[2]; ++i)
+ current+=Eng->GetCurr(2,start[0],start[1],i);
+ //x-current
+ if (m_stop_inside[1] && m_stop_inside[2])
+ for (unsigned int i=start[0]+1; i<=stop[0]; ++i)
+ current+=Eng->GetCurr(0,i,stop[1],stop[2]);
+ //z-current
+ if (m_stop_inside[0] && m_stop_inside[1])
+ for (unsigned int i=start[2]+1; i<=stop[2]; ++i)
+ current-=Eng->GetCurr(2,stop[0],stop[1],i);
+ //x-current
+ if (m_start_inside[1] && m_start_inside[2])
+ for (unsigned int i=start[0]+1; i<=stop[0]; ++i)
+ current-=Eng->GetCurr(0,i,start[1],start[2]);
+ break;
+ case 2:
+ //x-current
+ if (m_start_inside[1] && m_start_inside[2])
+ for (unsigned int i=start[0]+1; i<=stop[0]; ++i)
+ current+=Eng->GetCurr(0,i,start[1],start[2]);
+ //y-current
+ if (m_stop_inside[0] && m_start_inside[2])
+ for (unsigned int i=start[1]+1; i<=stop[1]; ++i)
+ current+=Eng->GetCurr(1,stop[0],i,start[2]);
+ //x-current
+ if (m_stop_inside[1] && m_stop_inside[2])
+ for (unsigned int i=start[0]+1; i<=stop[0]; ++i)
+ current-=Eng->GetCurr(0,i,stop[1],stop[2]);
+ //y-current
+ if (m_start_inside[0] && m_stop_inside[2])
+ for (unsigned int i=start[1]+1; i<=stop[1]; ++i)
+ current-=Eng->GetCurr(1,start[0],i,stop[2]);
+ break;
+ default:
+ //this cannot happen...
+ return 0.0;
+ break;
+ }
+ }
+
+ return current;
+}