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Recent content by michaelthomas

  1. michaelthomas

    Modal analysis

    Hello cbrn, thank you for your posting. >if s = p+iq is an eigenvalue (in the complex domain), it >means that the displacement can be expressed as >x(t) = Xe^((p+iq)*t) = Xe^(pt)e^(iqt). That I understand.. >Here, X is the particular solution associated to the >initial conditions, I...
  2. michaelthomas

    Modal analysis

    Hy, I try to do a damped modal analysis but I do not understand really the results. I get complex values (and the conjugate complex) and 2 mode shapes: one for the real and one for the imaginary part. How can this interpreted ? And what is the relationship to the conjugate complex eigenvalue ...

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