The default convergence criteria are 0.001 for all three of these. One can clearly see that the total energy of the system is converged to within 10-9 Hartree already with SCF=(Conver=5) and that each increase in the convergence criterion is accompanied by an increase in the number of SCF cycles. For larger and for less well behaved systems the consequences of changing the convergence criterion are usually much more pronounced. Overall strategies for solving the issue are … Divergence and Convergence for Simulation Results For some background, I'm using ABAQUS to model seismic isolation bearings to determine stability/critical behavior at various displacement levels. General Guidelines for Good Convergence in CFD - NAFEMS 4 Followers. For this you then need to do a mesh refinement study. the ansys workbench and the future of simulation. Mesh Convergence Are there large residuals in a localised area of the flow, which may be inhibiting convergence? Convergence Criteria Usually, the convergence criteria of the adaptive mesh refinement are checked more than once (see Checks in the Convergence criteria frame.) Refinement Threshold (0 to 1) is a value between 0 and 1 that determines the number of elements with maximum errors to consider for refinement.

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