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How extract Systemmatrix, Inputvector, Outputvector ?

How extract Systemmatrix, Inputvector, Outputvector ?

How extract Systemmatrix, Inputvector, Outputvector ?

(OP)
Hi,
I want to make a dynamic Analyse of a rotating (cam)shaft in Ansys. My target is to implement this shaft in a Multibody system program. For this, I need the Systemmatrix, the Inputvector and the Outputvector. Ansys is calculating with this formula:

M = Mass Matrix
B = Damping Matrix
C = Stiffness Matrix
F is the Input Vector (which I need)
and X the Output vector.
Is it possible to extract the full Systemmatrix or do I have to calculate it myself (Matlab) with M,B,C ?
Formula for the Systemmatrix is:
A=[0 , I ; -(M^-1)*C  -(M^-1)*B]
If the direct extraction is not possible, how can I extract the other matrices M,B,C and of course X and F? Someone knows the code or a solution for my problem?

Matthias
 

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