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// Copyright (C) 2008 Solveig Bruvoll and Anders Logg.
// Licensed under the GNU LGPL Version 2.1.
//
// First added: 2008-05-02
// Last changed: 2008-05-28
//
// This demo demonstrates how to move the vertex coordinates
// of a boundary mesh and then updating the interior vertex
// coordinates of the original mesh by suitably interpolating
// the vertex coordinates (useful for implementation of ALE
// methods).
#include <dolfin.h>
using namespace dolfin;
int main()
{
// Create mesh
UnitSquare mesh(20, 20);
// Create boundary mesh
BoundaryMesh boundary(mesh);
// Move vertices in boundary
for (VertexIterator v(boundary); !v.end(); ++v)
{
real* x = v->x();
x[0] *= 3.0;
x[1] += 0.1*sin(5.0*x[0]);
}
// Move mesh
mesh.move(boundary);
// Plot mesh
plot(mesh);
return 0;
}
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