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  1. fellowmate

    what is "Normalising mode shapes" in modal analysis?

    Hi, I thank you for your valuable replies.But I dont yet understand how to find out the true values of von-misses stresses and amplitudes? For the first mode of vibration the obtained misses-stress(max)values and amplitudes are as follows: Unity(displacement) ------ Mass Matrix option...
  2. fellowmate

    what is "Normalising mode shapes" in modal analysis?

    Hi everyone, I am trying to do the modal analysis of a 3-d cantilever in ansys in order to study the natural frequencies, the amplitudes and vonmisses stresses.I have attempted the block-Lanczo's mode extraction method and obtained the natural frequencies of the first five modes of...

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