File: test.ff

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// -*- c++ -*-

//  This file is part of ff3d - http://www.freefem.org/ff3d
//  Copyright (C) 2003  Laboratoire J.-L. Lions UPMC Paris

//  This program 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; either version 2, or (at your option)
//  any later version.

//  This program 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 this program; if not, write to the Free Software Foundation,
//  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

//  $Id: test.ff,v 1.2 2004/09/01 21:22:58 delpinux Exp $

//  We solve for the temperature gradient between two
// objects.

vector n = (16,16,16);
vector a = (-2,-2,-2);
vector b = (3,2,2);

scene S = pov("test.pov");
mesh M = structured(n,a,b);
domain O = domain(S,inside(<1,0,0>) and inside(<0,1,0>));

solve(u) in O by M{

    pde(u)
	-div(grad(u)) = 0;
    u = 1 on <1,0,0>;
    dnu(u) = 0 on <0,1,0>;
    u = 0 on M;
};

save(medit,"test",u,M);

// Also saves mesh, just for debugging purposes
save(medit,"test",M);