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March 1, 2001, 05:45 |
Choice of element
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#1 |
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In order to develop a specific code for homogenization of a porous medium, I need to know what kind of finite elements I should use. The basic problem is a Stokes equation in 3D, and I have read that in 2D, one should use at least a triangle with 3 vertices as nodes for the pressure, and one more in the middle of the triangle for fluid speed. Is that true, and why ? And most important for me, what about a tetrahedron ?
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