/usr/share/doc/freefem3d/examples/hydrostatic.ff is in freefem3d 1.0pre10-3.4.
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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 38 39 40 41 | // -*- 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: hydrostatic.ff,v 1.3 2005/10/16 13:38:36 delpinux Exp $
vector n = (20,20,20);
vector a = (-3,-2,-2);
vector b = (3,2,2);
scene S = pov("hydrostatic.pov");
mesh M = structured(n,a,b);
domain Omega = domain(S,outside(<1,0,0>));
solve(H) in Omega by M
{
pde(H)
-div(grad(H)) = 0;
dnu(H) = 0 on <1,0,0>;
H = x*y+20 on M;
};
M = tetrahedrize(Omega,M); // visulization mesh
save(medit,"hydrostatic",M);
save(medit,"hydrostatic",H,M);
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