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Comparing a finite element result with a simple hand calculation is valuable because it

  • A.Proves the model is exactly correct
  • B.Replaces the need for the finite element model
  • C.Is required by the software
  • D.Catches gross errors in units, loads or restraints

Answer: D

A hand check will not validate the fine detail, but it will reveal an answer wrong by a factor of a thousand or with the wrong sign. Order-of-magnitude agreement is the minimum standard before any detailed result is believed.

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