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  1. kth42

    Balanced and Symmetric Layups with PW Fabric

    Do you need an even number of plies to achieve a balanced and symmetric laminate with plain weave fabric? Assuming plain weave fabric, would [0F/45F/0F] be considered unbalanced and unsymmetric?
  2. kth42

    Bond Shear Allowable vs. Shear Stress Limits

    Hello All, In Nastran what is the difference between the Bond Shear Allowable in the property card vs the Shear Limit Stress in the material card? I did a quick search of the forum, but didn't find anything. Thanks in advance for your help. Kris
  3. kth42

    Recoving Composite Ply Stress After a DDAM Analysis

    Hello. I am trying to recover composite ply stresses after a DDAM run. DDAM does not support (or at least I don't think it does)laminate property cards, so my results are outputed as Shell stress. Does anyone know of a way that I can convert these shell stresses back to laminate stresses so I...

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