forked from moebiusband/NuSiF-Solver
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
|
|
* Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
|
|
* All rights reserved. This file is part of nusif-solver.
|
|
* Use of this source code is governed by a MIT style
|
|
* license that can be found in the LICENSE file.
|
|
*/
|
|
#ifndef __DISCRETIZATION_H_
|
|
#define __DISCRETIZATION_H_
|
|
#include "comm.h"
|
|
#include "grid.h"
|
|
#include "parameter.h"
|
|
#include<unistd.h>
|
|
|
|
enum BC { NOSLIP = 1, SLIP, OUTFLOW, PERIODIC };
|
|
|
|
enum OBJECTBOUNDARY {
|
|
FLUID = 0,
|
|
TOP,
|
|
BOTTOM,
|
|
LEFT,
|
|
RIGHT,
|
|
TOPLEFT,
|
|
BOTTOMLEFT,
|
|
TOPRIGHT,
|
|
BOTTOMRIGHT,
|
|
OBSTACLE
|
|
};
|
|
|
|
enum SHAPE { NOSHAPE = 0, RECT, CIRCLE };
|
|
|
|
typedef struct {
|
|
/* geometry and grid information */
|
|
Grid grid;
|
|
/* arrays */
|
|
double *p, *rhs;
|
|
double *f, *g;
|
|
double *u, *v;
|
|
/* parameters */
|
|
double re, tau, gamma;
|
|
double gx, gy;
|
|
/* time stepping */
|
|
double dt, te;
|
|
double dtBound;
|
|
char* problem;
|
|
|
|
double xLocal, yLocal, xOffset, yOffset, xOffsetEnd, yOffsetEnd;
|
|
|
|
|
|
int bcLeft, bcRight, bcBottom, bcTop;
|
|
/* communication */
|
|
Comm comm;
|
|
} Discretization;
|
|
|
|
extern void initDiscretiztion(Discretization*, Parameter*);
|
|
extern void computeRHS(Discretization*);
|
|
extern void normalizePressure(Discretization*);
|
|
extern void computeTimestep(Discretization*);
|
|
extern void setBoundaryConditions(Discretization*);
|
|
extern void setSpecialBoundaryCondition(Discretization*);
|
|
extern void setObjectBoundaryCondition(Discretization*);
|
|
extern void computeFG(Discretization*);
|
|
extern void adaptUV(Discretization*);
|
|
extern void writeResult(Discretization* s, double* u, double* v, double* p);
|
|
extern double sumOffset(double* , int , int , int );
|
|
extern void print(Discretization* , double* );
|
|
#endif
|