Multibody codes are efficient tools to simulate nonlinear dynamic behaviour of rigid and flexible multibody systems undergoing large overall motions overlaid by small elastic deformation. This paper gives an overview of common approaches for the equations of motion of flexible body models and presents a general way to prepare the required data including geometric stiffening terms. In particularly, for the nodal approach the data are derived using standard results of a finite element analysis of the body. The computation of coefficient matrices describing the equations of motion is done outside the finite element code by matrix manipulations only. The data are stored in a standardized object-oriented structure. Consequently, the data set is independent of the formulation of the multibody system code.
Flexible bodies in multibody system codes
Vehicle System Dynamics ; 30 , 3-4 ; 237-256
1998
20 Seiten, 24 Quellen
Article (Journal)
English
Flexible Bodies in Multibody System Codes
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