Schéma dissipatif HHT d’intégration temporelle pour un modèle de poutre en grandes rotations
Keywords:
dynamics, time integration, dissipative HHT schemeAbstract
In this work we present au extension of HHT dissipative numerical integration scheme for the dynamics of structures undergoing large rotations. The problem used to illustrate the proposed modification pertains to so-called ’geometrically exact’ three-dimensional beam theory. Among different possibilities to parameterize the finite rotations, we choose a material representation of the rotation vector, which simplified the construction of time-integration schemes. We also present the essential details of the finite element implementation.
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