Implementing SIMPLE algorithm in matlab for solving averaged Navier stokes equation

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Chandrasiri
Chandrasiri 2013-2-24
I'm going to solve navier stokes equation in matlab using the SIMPLE algorithm. The equation is in 2D and derived by averaging in z direction for a parallel plate flow. My code always diverges and end up with very huge velocities and pressures. Since NS equations are averaged in z direction, the height between parallel plates apear in the equation and it is very small. (1e-5 m) If anyone knows some details or available somewhere to read in debugging diverging matlab codes for SIMPLE or CFD applications please let me know.

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