2-8c: Nonlinear Finite Elements in 1-D (Updated Lagrangian - Mesh Distortion)

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Uses a 1-D quadratic element to demonstrate the problems related to mesh distortion. Specifically, it shows how distortion can make the Jacobian become zero or negative, representing the unphysical conditions of zero or negative volumes, respectively.
  1. Fertig Research Group: Multiscale Failure of Materials
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