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Structure for unit vectors...!!!

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Old   April 26, 2008, 23:52
Default Structure for unit vectors...!!!
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Good morning everybody...I am a PG student writing a code for 2D Euler Equations using cell-vertex control vol. formulation and am facing some problems: 1) Calculating and storing the unit normals- as they should be either all outward/inward pointing, and 2) Implementing far field boundary conditions with all the Riemann Invariants.

Can anyone please guide me ? Any sort of help will be appreciated.
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