Computational Fluid Dynamics Lecture 20 Outflow Boundary Conditions Constant advection implementation For the Boundary point iuse the one way wave equation: nx=0uuCtx∂∂+=with a stable discretization, one sided, up wind spatial derivative. For 11nnnnnxnxnxnxuCttx+−−−∂==−∆∂∆Leap Frog is probably adequate, or even 1storder Euler, or
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