Question

a) Describe the difference between mesh convergence and force convergence.

FEA

Answer 1

Mesh Convergence :

• It determines the number of elements in the model to ensure the results of the analysis are not changing.
• System response will converge to a repeatable solution.
• Sufficiently refined Mesh are to be used for better results.
• The convergence is linear in nature.

Force Convergence :

• The results obtained are less accurate and proper as compared to the Mesh Convergence.
• It is being used to do the analysis of the break away moments.
• The materials used here in the convergence need not be refined or of better quality, manageable materials are accepted here.
• The convergence is non linear in nature.

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