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On the use of combined finite/discrete element method for impacted concrete structures

Abstract : A combined finite/discrete element method is proposed for the prediction of reinforced concrete structure response under severe dynamic loads as impacts due to natural or anthropic hazards. A bridging subdomain is used, the Hamiltonian is chosen as a linear combination of discrete and continuum Hamiltonians. Discrete Element displacements and rotations are linking to Finite Element displacements by means of Lagrange multipliers. The discontinuities of discretization introduce spurious reflection; numerical methods are proposed to attenuate it.
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https://hal.univ-grenoble-alpes.fr/hal-02010837
Contributor : Laurent Daudeville Connect in order to contact the contributor
Submitted on : Thursday, February 7, 2019 - 2:55:16 PM
Last modification on : Wednesday, October 20, 2021 - 12:50:12 AM

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E. Frangin, Philippe Maurice Marin, L. Daudeville. On the use of combined finite/discrete element method for impacted concrete structures. Journal de Physique IV Proceedings, EDP Sciences, 2006, 134, pp.461-466. ⟨10.1051/jp4:2006134071⟩. ⟨hal-02010837⟩

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