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From: <jcch@ma...>  20051026 10:19:24

I am starting to implement a DGFEM discretization of the Euler equations for 3D turbomachine calculations. Since I want to use a thirdorder RungeKutta time discretization, I have a local mass matrix that I need to invert just once. My first question is how do I store 5 block matrices in each element? The access to these matrices should be fast! Another problem arising in turbomachine computations is the periodic boundaries, since I want to compute just one blade. Supposing that I have 36 blades in a turbomachine, for one of the blades I have two periodic surfaces that differ by a rotation of 2*pi/36. Does anyone have good ideias how to implement it? Thanks in advance. 