av_mue.c 2.06 KB
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/*-----------------------------------------------------------------------------------------
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 * Copyright (C) 2016  For the list of authors, see file AUTHORS.
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 *
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 * This file is part of IFOS.
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 * 
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 * IFOS 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
 * the Free Software Foundation, version 2.0 of the License only.
 * 
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 * IFOS is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
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 * along with IFOS. See file COPYING and/or <http://www.gnu.org/licenses/gpl-2.0.html>.
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-----------------------------------------------------------------------------------------*/


#include "fd.h"

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void av_mue(float ** u, float ** uipjp,float ** rho){
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    extern int NX, NY, PARAMETERIZATION;
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    int i, j;
    float u1, u2, u3, u4;
    
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    if(PARAMETERIZATION==3){
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        for (j=1;j<=NY;j++){
            for (i=1;i<=NX;i++){
                
                uipjp[j][i]=4.0/((1.0/u[j][i])+(1.0/u[j][i+1])+(1.0/u[j+1][i])+(1.0/u[j+1][i+1]));
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                if((u[j][i]==0.0)||(u[j][i+1]==0.0)||(u[j+1][i]==0.0)||(u[j+1][i+1]==0.0)){
                    uipjp[j][i]=0.0;
                }
                
                
            }
        }
        
    }
    
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    if(PARAMETERIZATION==1){
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        for (j=1;j<=NY;j++){
            for (i=1;i<=NX;i++){
                
	            u1 = rho[j][i] * u[j][i] * u[j][i];
                u2 = rho[j][i+1] * u[j][i+1] * u[j][i+1];
                u3 = rho[j+1][i] * u[j+1][i] * u[j+1][i];
                u4 = rho[j+1][i+1] * u[j+1][i+1] * u[j+1][i+1];
                
                uipjp[j][i]=4.0/((1.0/u1)+(1.0/u2)+(1.0/u3)+(1.0/u4));
                if((u1==0.0)||(u2==0.0)||(u3==0.0)||(u4==0.0)){
                    uipjp[j][i]=0.0;
                }
                
            }
        }
        
    }
    
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}