wavefield_update_v.c 1.31 KB
Newer Older
tilman.metz's avatar
tilman.metz committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
/*---------------------------------------------------------------------------------
 * Copyright (C) 2015 For the list of authors, see file AUTHORS.
 *
 * This file is part of SOFI2D.
 *
 * SOFI2D is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 2.0 of the License only.
 *
 * SOFI2D is distributed in the hope that it will be useful,
 * 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
 * along with SOFI2D. See file COPYING and/or
  * <http://www.gnu.org/licenses/gpl-2.0.html>.
---------------------------------------------------------------------------------*/

/* $Id: wavefield_update_v.c 819 2015-04-17 11:07:06Z tmetz $ */

/*Update Function of the particle velocity Wavefields */


#include "fd.h"


void wavefield_update_v ( int i, int j,float   sxx_x, float  sxy_x,float sxy_y,float  syy_y, float **vx,
                          float **vy, float ** rip, float ** rjp )
{
	float  dtdh;
	extern float DT,DH;
	dtdh = DT/DH;
	vx[j][i] += ( sxx_x+sxy_y ) *dtdh*rip[j][i];
	vy[j][i] += ( sxy_x+syy_y ) *dtdh*rjp[j][i];

}