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#Under-Relaxation

~7 min read

Changing One Relaxation Factor Moved the Converged Solution — Where Rhie–Chow Face Velocities Remember Under-Relaxation

·7 min read

In SIMPLE, cutting α_u from 0.7 to 0.3 changes the converged velocity. Standard Rhie–Chow keeps α_u on the damping term; Majumdar's face store removes it.