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Seriously sick pre-conditioner.
Posted 23.12.2023, 03:15 GMT-5 Computational Fluid Dynamics (CFD), Optimization, Studies & Solvers Version 6.2 1 Reply
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While performing 3D fluid topology optimization, an error occurred: "Solution not found. At velocity u, pressure p. Severe pathological preconditioner. The returned solution does not converge. Not all parameter steps were returned." How should this error's be solved? What does the severe pathological preconditioner stand for?