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Search of contact in dynamic finite element code: Presentation of an analytical method

Abstract : The purpose of this communication is to develop a method of analytic contact search applied to a finite element code and to present the first numerical results. This method is based on the construction of geometrical entities being sufficiently continuous to get rid off the facetisation problems due to the spatial discretisation of the studied structure by finite elements. These geometrical entities are built up using the mathematical notion of spline applied to some nodes of the mesh. The search of contact is then realised with these entities, and then the obtained results are projected on the initial mesh. Our method, developed in the particular context of contact studies between casing and blades of turbojet engine, has been implemented in two finite element codes of different nature: Samcef (implicit formulation) and Plexus (explicit formulation), and then tested on some configurations.
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Submitted on : Thursday, May 5, 2022 - 3:33:25 PM
Last modification on : Saturday, November 26, 2022 - 5:14:06 PM
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Étienne Arnoult, Bernard Peseux, Jérôme Bonini. Search of contact in dynamic finite element code: Presentation of an analytical method. IDMME'2000, 2000, Montréal, Canada. ⟨10.1007/978-94-015-9966-5_53⟩. ⟨hal-01008861⟩



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