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-rw-r--r--openEMS/FDTD/extensions/engine_ext_cylinder.cpp101
1 files changed, 101 insertions, 0 deletions
diff --git a/openEMS/FDTD/extensions/engine_ext_cylinder.cpp b/openEMS/FDTD/extensions/engine_ext_cylinder.cpp
new file mode 100644
index 0000000..e240f1b
--- /dev/null
+++ b/openEMS/FDTD/extensions/engine_ext_cylinder.cpp
@@ -0,0 +1,101 @@
+/*
+* 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 "FDTD/engine.h"
+#include "engine_ext_cylinder.h"
+#include "operator_ext_cylinder.h"
+#include "FDTD/engine_sse.h"
+
+Engine_Ext_Cylinder::Engine_Ext_Cylinder(Operator_Ext_Cylinder* op_ext) : Engine_Extension(op_ext)
+{
+ cyl_Op = op_ext;
+ m_Eng_SSE = NULL;
+
+ CC_closedAlpha = op_ext->CC_closedAlpha;
+ CC_R0_included = op_ext->CC_R0_included;
+
+ for (int n=0; n<3; ++n)
+ numLines[n] = op_ext->m_Op->GetNumberOfLines(n,true);
+
+ //this cylindrical extension should be executed first?
+ m_Priority = ENG_EXT_PRIO_CYLINDER;
+}
+
+void Engine_Ext_Cylinder::SetEngine(Engine* eng)
+{
+ Engine_Extension::SetEngine(eng);
+ m_Eng_SSE = dynamic_cast<Engine_sse*>(m_Eng);
+}
+
+void Engine_Ext_Cylinder::DoPostVoltageUpdates()
+{
+ if (CC_closedAlpha==false) return;
+
+ if (CC_R0_included)
+ {
+ unsigned int pos[3];
+ pos[0] = 0;
+ FDTD_FLOAT volt=0;
+ for (pos[2]=0; pos[2]<numLines[2]; ++pos[2])
+ {
+ volt =m_Eng_SSE->Engine_sse::GetVolt(2,0,0,pos[2])*cyl_Op->vv_R0[pos[2]];
+ for (pos[1]=0; pos[1]<numLines[1]-1; ++pos[1])
+ volt +=cyl_Op->vi_R0[pos[2]] * m_Eng_SSE->Engine_sse::GetCurr(1,0,pos[1],pos[2]);
+ m_Eng_SSE->Engine_sse::SetVolt(2,0,0,pos[2], volt);
+ }
+
+ for (pos[1]=0; pos[1]<numLines[1]; ++pos[1])
+ {
+ for (pos[2]=0; pos[2]<numLines[2]; ++pos[2])
+ {
+ m_Eng_SSE->Engine_sse::SetVolt(1,0,pos[1],pos[2], 0); //no voltage in alpha-direction at r=0
+ m_Eng_SSE->Engine_sse::SetVolt(2,0,pos[1],pos[2], m_Eng_SSE->Engine_sse::GetVolt(2,0,0,pos[2]) );
+ }
+ }
+ }
+
+ //close alpha
+ unsigned int pos[3];
+ // copy tangential voltages from last alpha-plane to first
+ unsigned int last_A_Line = numLines[1]-2;
+ for (pos[0]=0; pos[0]<numLines[0]; ++pos[0])
+ {
+ for (pos[2]=0; pos[2]<numLines[2]; ++pos[2])
+ {
+ m_Eng_SSE->Engine_sse::SetVolt(0,pos[0],0,pos[2], m_Eng_SSE->Engine_sse::GetVolt(0,pos[0],last_A_Line,pos[2]) );
+ m_Eng_SSE->Engine_sse::SetVolt(2,pos[0],0,pos[2], m_Eng_SSE->Engine_sse::GetVolt(2,pos[0],last_A_Line,pos[2]) );
+ }
+ }
+}
+
+void Engine_Ext_Cylinder::DoPostCurrentUpdates()
+{
+ if (CC_closedAlpha==false) return;
+
+ //close alpha
+ unsigned int pos[3];
+ // copy tangential currents from first alpha-plane to last
+ for (pos[0]=0; pos[0]<numLines[0]-1; ++pos[0])
+ {
+ unsigned int last_A_Line = numLines[1]-2;
+ for (pos[2]=0; pos[2]<numLines[2]-1; ++pos[2])
+ {
+ m_Eng_SSE->Engine_sse::SetCurr(0,pos[0],last_A_Line,pos[2], m_Eng_SSE->Engine_sse::GetCurr(0,pos[0],0,pos[2]) );
+ m_Eng_SSE->Engine_sse::SetCurr(2,pos[0],last_A_Line,pos[2], m_Eng_SSE->Engine_sse::GetCurr(2,pos[0],0,pos[2]) );
+ }
+ }
+}