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  1. rastogisk

    Find shear strength from tensile strength

    The maximum-shear-stress theory of yielding predict the yield strength in shear to be: Ssy = 0.5 Sy The distortion-energy theory of yielding predicts the yield strength in shear to be: Ssy = 0.577 Sy (this rounds off to be 0.6 Sy) Ssy = 0.5 Sy is generally used for design purposes...
  2. rastogisk

    Stress Linearization in Pro/Mechanica

    I am performing an axi-symmetric analysis of a pressure vessel with structural discontinuity. The only program available to me is Pro/Mechanica. I have made a run and had performed sanity checks by comparing Mechanica results for axial stress, hoop stress, and radial displacement far away from...
  3. rastogisk

    Finite Element Model Loading (please post your opinion)

    My answer is that the analysis must reproduce the real application. If the real application uses front load you should analyze as front loaded on the other hand if the real application uses back load then you should analyze it as back loaded. Even if the two cases produce similar results, it...
  4. rastogisk

    RIGID BODY

    One way you can do that by assigning a value of young's modulus (E) for that volume order or two magnitudes higher than the other materials in your structure. Say if you have structure made of steel (E=29E6 psi), then define the E=10E10 psi for that volume which you do not want to be deformed...

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