Example 15: Generation of two holes in 2D mesh.

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Example 15: Generation of two holes in 2D mesh.

This example demonstrates some mesh manipulation. We start with one 4-noded quadrilateral element (of size 1 by 1). After four global refinements of the mesh, and splitting the 4-noded elements into 3-noded triangles the following mesh is obtained:

$\begin{figure}\centerline{\epsfig{file=ps/ex15mes1.ps,width=5cm}}\end{figure}$

Finally a two circular holes are taken out of the mesh, and 10 remeshing passes are applied to get more nicely shaped elements

$\begin{figure}\centerline{\epsfig{file=ps/ex15mes2.ps,width=5cm}}\end{figure}$

tochnog 2001-09-02