forked from moebiusband/NuSiF-Solver
87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
/*
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* Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
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* All rights reserved. This file is part of nusif-solver.
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* Use of this source code is governed by a MIT style
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* license that can be found in the LICENSE file.
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*/
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#ifndef __DISCRETIZATION_H_
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#define __DISCRETIZATION_H_
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#include "grid.h"
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#include "parameter.h"
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enum OBJECTBOUNDARY {
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FLUID = 0,
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/* Front Corners */
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FRONTTOPLEFTCORNER,
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FRONTTOPRIGHTCORNER,
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FRONTBOTTOMLEFTCORNER,
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FRONTBOTTOMRIGHTCORNER,
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/* Back Corners */
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BACKTOPLEFTCORNER,
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BACKTOPRIGHTCORNER,
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BACKBOTTOMLEFTCORNER,
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BACKBOTTOMRIGHTCORNER,
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/* Faces */
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FRONTFACE,
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BACKFACE,
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LEFTFACE,
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RIGHTFACE,
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TOPFACE,
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BOTTOMFACE,
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/* Front Lines remaining after Corners and Faces */
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FRONTLEFTLINE,
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FRONTRIGHTLINE,
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FRONTTOPLINE,
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FRONTBOTTOMLINE,
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/* Bottom Lines remaining after Corners and Faces */
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BACKLEFTLINE,
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BACKRIGHTLINE,
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BACKTOPLINE,
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BACKBOTTOMLINE,
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/* Mid Lines remaining after Corners and Faces */
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MIDTOPLEFTLINE,
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MIDTOPRIGHTLINE,
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MIDBOTTOMLEFTLINE,
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MIDBOTTOMRIGHTLINE,
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/* Local where its an object but not a boundary */
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OBSTACLE,
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/*Ghost cells boundary */
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OUTSIDEBOUNDARY
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};
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enum BC { NOSLIP = 1, SLIP, OUTFLOW, PERIODIC };
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enum SHAPE { NOSHAPE = 0, RECT, CIRCLE };
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typedef struct {
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/* geometry and grid information */
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Grid grid;
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/* arrays */
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double *p, *rhs;
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double *f, *g, *h;
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double *u, *v, *w;
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double* s;
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/* parameters */
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double eps, omega;
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double re, tau, gamma;
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double gx, gy, gz;
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/* time stepping */
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double dt, te;
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double dtBound;
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char* problem;
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int bcLeft, bcRight, bcBottom, bcTop, bcFront, bcBack;
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} Discretization;
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extern void initDiscretization(Discretization*, Parameter*);
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extern void computeRHS(Discretization*);
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extern void normalizePressure(Discretization*);
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extern void computeTimestep(Discretization*);
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extern void setBoundaryConditions(Discretization*);
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extern void setObjectBoundaryCondition(Discretization*);
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extern void setSpecialBoundaryCondition(Discretization*);
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extern void computeFG(Discretization*);
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extern void adaptUV(Discretization*);
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#endif
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