Evolution of a dynamic model for flexible multibody systems
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SubjectLinearization; Component mode synthesis; Equivalent rigid-link system; Flexible multibody system; Dynamic model
In this paper the evolution of a dynamic model for flexible multibody systems is presented. This model is based on an equivalent rigid-link system (ERLS) and, in the first formulation, has been exploited together with a FEM approach for the modeling of planar flexible-link mechanisms. Subsequently, the model has been linearized in order to be applied for control purposes and then it has been extended to the three-dimensional case. In the last years, a modal approach has been developed and the ERLS concept has been applied in order to formulate the dynamics of spatial flexible mechanisms with a component mode synthesis (CMS) technique.
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Comparison of Model Order Reduction Techniques for Flexible Multibody Dynamics using an Equivalent Rigid-Link System Approach Vidoni R; Scalera L; Gasparetto A; Giovagnoni M (Nakladatelstvi CVUT, 2017)In this paper we present a comparison of different model order reduction techniques for flexible multibody dynamics. In particular, we adopt a formulation based on a Equivalent Rigid-Link System (ERLS). This approach is ...
Belotti R; Caneva G; Palomba I; Richiedei D; Trevisani A (Institute of Physics Publishing, 2016)The dynamic response of flexible-link multibody systems (FLMSs) can be predicted through nonlinear models based on finite elements, to describe the coupling between rigid- body and elastic behaviour. Their accuracy should ...
Palomba I; Richiedei D; Trevisani A (Springer International Publishing, 2017)In this paper a novel strategy is presented to perform the reduction at system level of flexible-link multibody models based on the equivalent rigid-link system modeling approach. Such a strategy is aimed at obtaining ...