JEBAHI, Mohamed; CHARLES, Jean Luc; DAU, Frederic; ILLOUL, Lounes; IORDANOFF, Ivan

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Computer Methods in Applied Mechanics and Engineering. 2013, vol. 255, p. 196-209

Elsevier

Résumé en anglais

The coupling between two dissimilar numerical methods presents a major challenge, especially in case of discrete-continuum coupling. The Arlequin approach provides a ﬂexible framework and presents several advantages in comparison to alternative approaches. Many studies have analyzed, in statics, the ingredi-ents of this approach in 1D conﬁgurations under several particular conditions. The present study extends the Arlequin parameter studies to incorporate a dynamic behavior using 3D models. Based on these stud-ies, a new 3D coupling method adapted for dynamic simulations is developed. This method couples two 3D codes: DEM-based code and CNEM-based code. The 3D coupling method was applied to several ref-erence dynamics tests. Good results are obtained using this method, compared with the analytical and numerical results of both DEM and CNEM.< Réduire

Mots clés en anglais

Multiscale method

Coupling method

Discrete element

Natural element

Arlequin approach

Dynamic simulation

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3D coupling approach between discrete and continuum models for dynamic simulations (DEM-CNEM)

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