/usr/include/dolfin/ale/ALE.h is in libdolfin-dev 2017.2.0.post0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | // Copyright (C) 2008-2009 Solveig Bruvoll and Anders Logg
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// Modified by Jan Blechta 2013
//
// First added: 2008-05-02
// Last changed: 2013-03-06
#ifndef __ALE_H
#define __ALE_H
#include <memory>
#include "MeshDisplacement.h"
namespace dolfin
{
class Mesh;
class BoundaryMesh;
class GenericFunction;
/// This class provides functionality useful for implementation of
/// ALE (Arbitrary Lagrangian-Eulerian) methods, in particular
/// moving the boundary vertices of a mesh and then interpolating
/// the new coordinates for the interior vertices accordingly.
class ALE
{
public:
/// Move coordinates of mesh according to new boundary coordinates.
/// Works only for affine meshes.
///
/// @param mesh (_Mesh_)
/// The affine mesh to move.
/// @param new_boundary (_BoundaryMesh_)
/// An affine mesh containing just the boundary cells.
///
/// @return MeshDisplacement
/// Displacement encapsulated in Expression subclass
/// MeshDisplacement.
static std::shared_ptr<MeshDisplacement>
move(std::shared_ptr<Mesh> mesh, const BoundaryMesh& new_boundary);
/// Move coordinates of mesh according to adjacent mesh with
/// common global vertices. Works only for affine meshes.
//
/// @param mesh0 (_Mesh_)
/// The affine mesh to move.
/// @param mesh1 (_Mesh_)
/// The affine mesh to be fit.
///
/// @return MeshDisplacement
/// Displacement encapsulated in Expression subclass
static std::shared_ptr<MeshDisplacement> move(std::shared_ptr<Mesh> mesh0,
const Mesh& mesh1);
/// Move coordinates of mesh according to displacement function.
/// This works only for affine meshes.
///
/// NOTE: This cannot be implemented for higher-order geometries
/// as there is no way of constructing function space for
/// position unless supplied as an argument.
///
/// @param mesh (_Mesh_)
/// The affine mesh to move.
/// @param displacement (_GenericFunction_)
/// A vectorial generic function.
static void move(Mesh& mesh, const GenericFunction& displacement);
/// Move coordinates of mesh according to displacement function.
///
/// @param mesh (_Mesh_)
/// The mesh to move.
/// @param displacement (_Function_)
/// A vectorial Lagrange function of matching degree.
static void move(Mesh& mesh, const Function& displacement);
};
}
#endif
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