4/3/2023 0 Comments Dynamic mesh fluent manualCorner Refinement 1 subnode automatically identifies all sharp-enough angles internal to no-slip walls and prescribes an even finer mesh along such edges (in this case, it finds most of the sharp edges on the car, except for the one connecting the roof and the slant).Size 1 subnode is active on all no-slip walls and prescribes a somewhat finer mesh there.Size subnode contains a set of mesh size parameters that depend on the property settings and the bounding box of the geometry.The physics-controlled meshing sequence for the Ahmed body model, which we also used in the previous blog post, looks like this: This controls the size scale of the elements.Walls, for example, can induce finer meshes and boundary layer meshes.A turbulence model with automatic wall treatment, for example, gives finer mesh than a laminar flow model.Such a sequence depends on the following aspects: In this follow-up blog post, learn about physics-controlled meshing, adaptive mesh refinement, and how to use a variety of meshing tools in the COMSOL Multiphysics® software for your fluid flow simulations.Īfter setting up the flow conditions for a fluid flow model, COMSOL Multiphysics enables us to invoke physics-controlled meshing sequences. We have already discussed the factors that make a high-quality mesh and how to prepare a CFD model geometry for meshing.
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