Based on a component mode synthesis approach, a model-order-reduction method for linear structures with arbitrary linear damping has been developed. Projection matrices are introduced to make the method applicable to systems having rigid-body freedom. To test the method, eigenvalues of a reduced-order model of a free-free beam with nonproportional damping were compared to exact eigenvalues and to eigenvalues obtained using two other model-reduction strategies. The present model-reduction strategy proved to be decidedly superior.


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    Title :

    Component mode synthesis for model order reduction of nonclassically damped systems


    Contributors:


    Publication date :

    1989-08-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English