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Recent content by 100868

  1. 100868

    Accuracy in FEA

    Thanks Greg ! My beam was 1 meter long and you are right the best result came from 10 elements. I'm a complete idiot when it comes to these things. If you could recomend a good book please do. After reading the DOC in Cosmos I was under the impression that increasing the numer of elements was...
  2. 100868

    Accuracy in FEA

    Thanks ! I was trying to model a beam 0.1 by 0.1 by 1m . What surprized me was the fact that the deflection was almost proportional with the number of elements generated and that in 5 or 6 successive tests starting with 40 elements and ending with 12000 there was no indication of convergence...
  3. 100868

    Accuracy in FEA

    Without having any knowledge of the FEA "inner workings" I've tried to model a rectangular beam with solid elements ( Thetra4 ) in Cosmos. The beam is fixed at one end and loaded at the other. To my surprize the deflection appeared to be proportional to the number of elements.Why...
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