Energy Preserving Time Integration for Constrained Multibody Systems |
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| Authors: | Lens Elisabet V. Cardona Alberto Géradin Michel |
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| Affiliation: | (1) Centro Internacional de Métodos Computacionales en Ingeniería, CIMEC-INTEC, Conicet-Universidad Nacional del Litoral, Güemes 3450, 3000 Santa Fe, Argentina;(2) JRC – IPSC, Ispra, Italy and University of Liège, Belgium |
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| Abstract: | This paper describes an energy preserving integration method for thedynamic analysis of nonlinear multibody systems in the presence ofnonlinear constraints. The aspects of finite rotation incrementation,discrete energy conservation and the most common constraint types areexamined in detail. The application is made to several rigid bodyexamples, including an intermittent contact problem. |
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| Keywords: | time integration DAE systems energy preservation |
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