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finite difference formulae for variable grid size |
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March 13, 2006, 21:54
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finite difference formulae for variable grid size
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#1 |
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Guest
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hi there....i am working on finite difference discretization of PDEs on Cartesian grid with irregular grid size (variable dx and dy). of all the reference that i have searched, only formulae for equal grid size are presented. i would really appreciate if someone could provide information on it. thanks in advance. yit fatt
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March 13, 2006, 23:38
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Re: finite difference formulae for variable grid s
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#2 |
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Guest
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L. Gamet, F. Ducros, F. Nicoud, and T. Poinsot. Compact finite difference schemes on non-uniform meshes. application to direct numerical simulationsof compressible flows. IJNM, 1999.
Hope this helps. -H |
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March 14, 2006, 03:15
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Re: finite difference formulae for variable grid s
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#3 |
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THANKS!!
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March 14, 2006, 13:01
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Re: finite difference formulae for variable grid s
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#4 |
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Guest
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You should be solving the equations using a coordinate transformation..if you don't understand what I mean by this see any good text on CFD.
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