forked from moebiusband/NuSiF-Solver
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
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* Copyright (C) 2022 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 __SOLVER_H_
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#define __SOLVER_H_
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#include "parameter.h"
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#include <mpi.h>
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#define NDIMS 2
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enum BC { NOSLIP = 1, SLIP, OUTFLOW, PERIODIC };
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typedef struct {
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/* geometry and grid information */
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double dx, dy;
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int imax, jmax;
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double xlength, ylength;
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/* arrays */
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double *p, *rhs;
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double *f, *g;
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double *u, *v;
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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;
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/* time stepping */
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int itermax;
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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;
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/* mpi */
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int rank;
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int size;
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MPI_Comm comm;
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MPI_Datatype bufferTypes[NDIMS * 2];
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MPI_Aint sdispls[NDIMS * 2], rdispls[NDIMS * 2];
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int iNeighbours[NDIMS], jNeighbours[NDIMS];
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int coords[NDIMS], dims[NDIMS];
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int imaxLocal, jmaxLocal;
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} Solver;
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void initSolver(Solver*, Parameter*);
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void computeRHS(Solver*);
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int solve(Solver*);
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void computeTimestep(Solver*);
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void setBoundaryConditions(Solver*);
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void setSpecialBoundaryCondition(Solver*);
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void computeFG(Solver*);
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void adaptUV(Solver*);
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void collectResult(Solver*);
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void writeResult(Solver*, double*, double*, double*);
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void debugExchange(Solver*);
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void print(Solver*, double*);
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#endif
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