Understanding Accuracy and Discretization Error in an FEA Model

The often-ignored topic of mesh discretization error is examined to identify a simple set of rules that the average user can enlist to determine solution accuracy. The sources of discretization error are explained, tools to quantify it are introduced and an example is given. The purpose is to bring an understanding of these issues and usable tools to the common user who is not proficient in the mathematical basis of FEA.
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