CAE: The presence of mesh size and singularities
Singularities tend to occur in areas where the corner radius is zero or very small on the model!
In CAE, it is said that the finer the mesh size, the higher the analysis accuracy. However, depending on the boundary conditions and model shape, a mesh that is too fine can sometimes actually decrease analysis accuracy. This is known as the existence of "singularities." These are likely to occur in areas where the corner radius is zero or very small. If the stress continues to increase as the mesh size is reduced, it is advisable to suspect this "singularity." Therefore, instead of judging based on the maximum stress at the location with a zero corner radius, it is better to evaluate the stress at a slightly offset location. Additionally, if possible, it is recommended to add a sufficiently large corner radius at the zero corner radius locations and conduct a re-analysis. *For more details, please refer to the related links or feel free to contact us.*
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