CFD lecture 20 - Computational Fluid Dynamics Lecture 20...

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Computational Fluid Dynamics Lecture 20 Outflow Boundary Conditions Constant advection implementation For the Boundary point i use the one way wave equation: n x = 0 uu C tx ∂∂ += with a stable discretization, one sided, up wind spatial derivative. For 1 1 nn n n nx nx nx nx u C tt x +  −− ==  ∆∂  Leap Frog is probably adequate, or even 1 st order Euler, or
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