94 lines
3.7 KiB
C
94 lines
3.7 KiB
C
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/*
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* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@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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#ifndef OPERATOR_BASE_H
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#define OPERATOR_BASE_H
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#include "tools/global.h"
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#include "FDTD/processing.h"
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#include "string"
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class Operator_Base
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{
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public:
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//! Get the timestep used by this operator
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double GetTimestep() const {return dT;};
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//! Get the number of cells or nodes defined by this operator
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virtual double GetNumberCells() const {return 0;}
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//! Get the number of timesteps satisfying the nyquist condition (may depend on the excitation)
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unsigned int GetNumberOfNyquistTimesteps() const {return 0;}
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//! Returns the number of lines as needed for post-processing etc. (for the engine, use GetOriginalNumLines())
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virtual unsigned int GetNumberOfLines(int ny) const {return numLines[ny];}
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//! Get the name for the given direction: 0 -> x, 1 -> y, 2 -> z
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virtual std::string GetDirName(int ny) const;
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//! Get the grid drawing unit in m
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virtual double GetGridDelta() const {return 0;}
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//! Get the mesh delta times the grid delta for a 3D position (unit is meter)
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virtual double GetMeshDelta(int n, const unsigned int* pos, bool dualMesh=false) const {UNUSED(n);UNUSED(pos);UNUSED(dualMesh);return 0.0;}
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//! Get the disc line in \a n direction (in drawing units)
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virtual double GetDiscLine(int n, unsigned int pos, bool dualMesh=false) const {UNUSED(n);UNUSED(pos);UNUSED(dualMesh);return 0.0;}
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//! Get the node width for a given direction \a n and a given mesh position \a pos
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virtual double GetNodeWidth(int ny, const unsigned int pos[3], bool dualMesh = false) const {UNUSED(ny);UNUSED(pos);UNUSED(dualMesh);return 0.0;}
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//! Get the node area for a given direction \a n and a given mesh position \a pos
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virtual double GetNodeArea(int ny, const unsigned int pos[3], bool dualMesh = false) const {UNUSED(ny);UNUSED(pos);UNUSED(dualMesh);return 0.0;}
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//! Get the length of an FDTD edge (unit is meter).
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virtual double GetEdgeLength(int ny, const unsigned int pos[3], bool dualMesh = false) const {UNUSED(ny);UNUSED(pos);UNUSED(dualMesh);return 0.0;}
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//! Get the area around an edge for a given direction \a n and a given mesh posisition \a pos
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/*!
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This will return the area around an edge with a given direction, measured at the middle of the edge.
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In a cartesian mesh this is equal to the NodeArea, may be different in other coordinate systems.
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*/
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virtual double GetEdgeArea(int ny, const unsigned int pos[3], bool dualMesh = false) const {UNUSED(ny);UNUSED(pos);UNUSED(dualMesh);return 0.0;}
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//! Snap the given coodinates to mesh indices
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virtual bool SnapToMesh(double* coord, unsigned int* uicoord, bool lower=false, bool* inside=NULL) {UNUSED(coord);UNUSED(uicoord);UNUSED(lower);UNUSED(inside);return false;};
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//! Set the boundary conditions
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virtual void SetBoundaryCondition(int* BCs) {for (int n=0;n<6;++n) m_BC[n]=BCs[n];}
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protected:
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Operator_Base();
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virtual ~Operator_Base();
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virtual void Init();
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virtual void Reset();
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//! boundary conditions
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int m_BC[6];
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//! The operator timestep
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double dT;
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Processing::MeshType m_MeshType;
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unsigned int numLines[3];
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double* discLines[3];
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double gridDelta;
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};
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#endif // OPERATOR_BASE_H
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