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175 lines
6.3 KiB
175 lines
6.3 KiB
/**********
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Copyright 1991 Regents of the University of California. All rights reserved.
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Authors: 1987 Karti Mayaram, 1991 David Gates
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**********/
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/* Member of CIDER device simulator
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* Version: 1b1
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*/
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/*
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* One-Dimensional Element-based Simulation-Mesh Data Structures
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*/
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#ifndef ngspice_ONEMESH_H
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#define ngspice_ONEMESH_H
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#include "ngspice/material.h"
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#ifdef KLU
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#include "ngspice/klu.h"
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#endif
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typedef struct sONEelem {
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struct sONEelem *pElems[2]; /* array to store neighbor elements */
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struct sONEnode *pNodes[2]; /* array to store the element nodes */
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struct sONEedge *pEdge; /* the edge */
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double dx; /* the x length */
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double rDx; /* 1 / dx */
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int domain; /* domain to which this elem belongs */
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int elemType; /* material type of element */
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ONEmaterial *matlInfo; /* material information */
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double epsRel; /* epsilon of material rel to Semicon */
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int evalNodes[2]; /* nodes to be evaluated in elem */
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#ifdef KLU
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double *KLUleftLeftNode ;
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double *KLUleftRightNode ;
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double *KLUrightLeftNode ;
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double *KLUrightRightNode ;
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BindElementKLUforCIDER *KLUleftLeftNodeBinding ;
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BindElementKLUforCIDER *KLUleftRightNodeBinding ;
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BindElementKLUforCIDER *KLUrightLeftNodeBinding ;
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BindElementKLUforCIDER *KLUrightRightNodeBinding ;
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#endif
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} ONEelem;
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#define pLeftElem pElems[0]
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#define pRightElem pElems[1]
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#define pLeftNode pNodes[0]
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#define pRightNode pNodes[1]
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typedef struct sONEedge {
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double mun; /* electron mobility */
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double mup; /* hole mobility */
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double dPsi; /* deltaPsi */
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double jn; /* electron current */
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double jp; /* hole current */
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double jd; /* displacement current */
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double dJnDpsiP1; /* dJn/dPsi(+1) */
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double dJnDn; /* dJnx/dN */
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double dJnDnP1; /* dJn/dN(+1) */
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double dJpDpsiP1; /* dJpx/dPsi(+1) */
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double dJpDp; /* dJpx/dP */
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double dJpDpP1; /* dJpxDp(+1) */
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double dCBand; /* effective delta conduction band */
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double dVBand; /* effective delta valence band */
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int edgeState; /* pointer to state vector */
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unsigned evaluated : 1; /* flag to indicated evaluated */
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} ONEedge;
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typedef struct sONEnode {
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double x; /* x location */
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int nodeI; /* node x-index */
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int poiEqn; /* equation number for equil poisson */
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int psiEqn; /* equation number for bias poisson */
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int nEqn; /* equation number for n continuity */
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int pEqn; /* equation number for p continuity */
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int nodeType; /* type of node */
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int baseType; /* baseType n or p or none */
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double vbe; /* base emitter voltage for BJTs */
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struct sONEelem *pElems[2]; /* array of elements */
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double psi0; /* equilibrium potential */
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double psi; /* electrostatic potential */
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double nConc; /* electron conc. */
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double pConc; /* hole conc. */
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double nie; /* effective intrinsic carrier conc. */
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double eg; /* energy gap */
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double eaff; /* electron affinity; work phi for metal*/
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double tn; /* electron lifetime */
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double tp; /* hole lifetime */
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double netConc; /* net conc. */
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double totalConc; /* total conc. */
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double na; /* acceptor conc. */
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double nd; /* donor conc. */
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double qf; /* fixed charge density */
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double nPred; /* predicted electron conc. */
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double pPred; /* predicted hole conc. */
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double uNet; /* net recombination rate */
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double dUdN; /* dU / dN */
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double dUdP; /* dU / dP */
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double dNdT; /* dN / dT value */
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double dPdT; /* dN / dT value */
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int nodeState; /* pointer to the state vector */
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unsigned evaluated : 1; /* flag to indicated evaluated */
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/* sparse matrix pointers. pointers to doubles */
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double *fPsiPsiiM1;
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double *fPsiPsi;
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double *fPsiPsiiP1;
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double *fPsiN;
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double *fPsiP;
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double *fNPsiiM1;
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double *fNPsi;
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double *fNPsiiP1;
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double *fNNiM1;
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double *fNN;
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double *fNNiP1;
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double *fNPiM1;
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double *fNP;
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double *fNPiP1;
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double *fPPsiiM1;
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double *fPPsi;
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double *fPPsiiP1;
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double *fPPiM1;
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double *fPP;
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double *fPPiP1;
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double *fPNiM1;
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double *fPN;
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double *fPNiP1;
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#ifdef KLU
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BindElementKLUforCIDER *fPsiPsiiM1Binding ;
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BindElementKLUforCIDER *fPsiPsiBinding ;
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BindElementKLUforCIDER *fPsiPsiiP1Binding ;
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BindElementKLUforCIDER *fPsiNBinding ;
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BindElementKLUforCIDER *fPsiPBinding ;
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BindElementKLUforCIDER *fNPsiiM1Binding ;
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BindElementKLUforCIDER *fNPsiBinding ;
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BindElementKLUforCIDER *fNPsiiP1Binding ;
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BindElementKLUforCIDER *fNNiM1Binding ;
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BindElementKLUforCIDER *fNNBinding ;
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BindElementKLUforCIDER *fNNiP1Binding ;
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BindElementKLUforCIDER *fNPiM1Binding ;
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BindElementKLUforCIDER *fNPBinding ;
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BindElementKLUforCIDER *fNPiP1Binding ;
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BindElementKLUforCIDER *fPPsiiM1Binding ;
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BindElementKLUforCIDER *fPPsiBinding ;
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BindElementKLUforCIDER *fPPsiiP1Binding ;
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BindElementKLUforCIDER *fPPiM1Binding ;
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BindElementKLUforCIDER *fPPBinding ;
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BindElementKLUforCIDER *fPPiP1Binding ;
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BindElementKLUforCIDER *fPNiM1Binding ;
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BindElementKLUforCIDER *fPNBinding ;
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BindElementKLUforCIDER *fPNiP1Binding ;
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#endif
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} ONEnode;
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#define pLeftElem pElems[0]
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#define pRightElem pElems[1]
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#define nodePsi nodeState
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#define nodeN nodeState+1
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#define nodeP nodeState+3
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#define edgeDpsi edgeState
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#define ONEnumNodeStates 5
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#define ONEnumEdgeStates 2
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#endif
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