180 lines
6.8 KiB
C++
180 lines
6.8 KiB
C++
/*
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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 "ContinuousStructure.h"
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#include "tools/global.h"
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#include "Common/processing.h"
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#include "string"
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typedef struct
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{
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std::vector<unsigned int> posPath[3];
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std::vector<unsigned short> dir;
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} Grid_Path;
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//! Abstract base-class for a common operator
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class Operator_Base
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{
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public:
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virtual ~Operator_Base();
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virtual bool SetGeometryCSX(ContinuousStructure* geo);
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virtual ContinuousStructure* GetGeometryCSX() const {return CSX;}
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//! Get the timestep used by this operator
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virtual 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 =0;
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//! Get the number of timesteps satisfying the nyquist condition (may depend on the excitation)
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virtual unsigned int GetNumberOfNyquistTimesteps() const =0;
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//! Returns the number of lines as needed for post-processing etc.
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virtual unsigned int GetNumberOfLines(int ny, bool full=false) const =0;
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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 =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 =0;
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//! Get the disc line delta in \a n direction (in drawing units)
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virtual double GetDiscDelta(int n, unsigned int pos, bool dualMesh=false) const =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 =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 =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 =0;
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//! Get the area around an edge for a given direction \a n and a given mesh position \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 =0;
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//! Get the volume of an FDTD cell
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virtual double GetCellVolume(const unsigned int pos[3], bool dualMesh = false) const =0;
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//! Snap the given coordinates to mesh indices, return box dimension
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virtual bool SnapToMesh(const double* coord, unsigned int* uicoord, bool dualMesh=false, bool fullMesh=false, bool* inside=NULL) const =0;
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//! Snap a given box to the operator mesh, uiStart will be always <= uiStop
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/*!
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\param[in] start the box-start coorindate
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\param[in] stop the box-stopt coorindate
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\param[out] uiStart the snapped box-start coorindate index
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\param[out] uiStop the snapped box-stop coorindate index
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\param[in] dualMesh snap to main or dual mesh (default is main mesh)
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\param[in] SnapMethod Snapping method, 0=snap to closest line, 1/(2)=snap such that given box is inside (outside) the snapped lines
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\return returns the box dimension or -1 if box is not inside the simulation domain
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*/
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virtual int SnapBox2Mesh(const double* start, const double* stop, unsigned int* uiStart, unsigned int* uiStop, bool dualMesh=false, bool fullMesh=false, int SnapMethod=0, bool* bStartIn=NULL, bool* bStopIn=NULL) const =0;
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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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//! Set flags to store material data for post-processing
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virtual void SetMaterialStoreFlags(int type, bool val);
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//! Check storage flags and cleanup
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virtual void CleanupMaterialStorage() = 0;
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//! Get stored discrete material (if storage is enabled).
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virtual double GetDiscMaterial(int type, int ny, const unsigned int pos[3]) const = 0;
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//! Get the cell center coordinate usable for material averaging (Warning, may not be the yee cell center)
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bool GetCellCenterMaterialAvgCoord(const unsigned int pos[3], double coord[3]) const;
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//! Get the cell center coordinate usable for material averaging (Warning, may not be the yee cell center)
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virtual bool GetCellCenterMaterialAvgCoord(const int pos[3], double coord[3]) const = 0;
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virtual std::vector<CSPrimitives*> GetPrimitivesBoundBox(int posX, int posY, int posZ, CSProperties::PropertyType type=CSProperties::ANY) const = 0;
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//! Set the background material (default is vacuum)
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virtual void SetBackgroundMaterial(double epsR=0, double mueR=0, double kappa=0, double sigma=0, double density=0);
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//! Get background rel. electric permittivity
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double GetBackgroundEpsR() const {return m_BG_epsR;}
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//! Set background rel. electric permittivity
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void SetBackgroundEpsR(double val);
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//! Get background rel. magnetic permeability
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double GetBackgroundMueR() const {return m_BG_mueR;}
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//! Set background rel. magnetic permeability
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void SetBackgroundMueR(double val);
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//! Get background electric conductivity
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double GetBackgroundKappa() const {return m_BG_kappa;}
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//! Set background electric conductivity
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void SetBackgroundKappa(double val);
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//! Get background magnetic conductivity (artificial)
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double GetBackgroundSigma() const {return m_BG_sigma;}
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//! Set background magnetic conductivity (artificial)
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void SetBackgroundSigma(double val);
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//! Get background mass density
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double GetBackgroundDensity() const {return m_BG_density;}
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//! Set background mass density
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void SetBackgroundDensity(double val);
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protected:
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Operator_Base();
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ContinuousStructure* CSX;
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virtual void Init();
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//! Cleanup data and reset
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void Delete();
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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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//! bool flag array to store material data for post-processing
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bool m_StoreMaterial[4];
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//! background materials
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double m_BG_epsR;
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double m_BG_mueR;
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double m_BG_kappa;
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double m_BG_sigma;
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double m_BG_density;
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CoordinateSystem 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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