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Pré-Publication, Document De Travail Année : 2023

An explicit dynamics framework suited to highly non-smooth interface behaviors

Résumé

Dynamic systems, and in particular mechanical structures, may be subjected to non-smooth loadings such as impacts or shocks. Moreover, their behavior may itself exhibit more or less non-smooth behaviors, as when fracture occurs. Therefore, robust simulation models are of interest to capture such behaviors. A particular focus is made herein on explicit dynamics schemes to allow efficient simulations, and non-smoothness is embedded within the discrete resolution model, so that robust simulations can be obtained, with a minimal number of numerical parameters. The applications concern non-smooth interface behaviors, are illustrated on simple test cases, and feasibility is shown on a full 3D finite element model.
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Dates et versions

hal-04146784 , version 1 (30-06-2023)
hal-04146784 , version 2 (11-07-2023)
hal-04146784 , version 3 (14-11-2023)
hal-04146784 , version 4 (05-04-2024)

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Paternité

Identifiants

  • HAL Id : hal-04146784 , version 2

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David Dureisseix, Paul Larousse, Anthony Gravouil, Jean Di Stasio. An explicit dynamics framework suited to highly non-smooth interface behaviors. 2023. ⟨hal-04146784v2⟩
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