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...
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 ...