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Communication dans un congrès Année : 2013

Application of the Bending-Gradient theory to a beam lattice

Résumé

The Bending-Gradient theory for thick plates is the extension to heterogeneous plates of Reissner-Mindlin theory originally designed for homogeneous plates. The Bending-Gradient theory was extended to in-plane periodic structures made of connected beams (space frames) which can be considered macroscopically as a plate in [1]. Its application to a square beam lattice reveals that classical Reissner-Mindlin theory cannot properly model such microstructures. Comparisons with exact solutions show that only the Bending-Gradient theory captures second order effects in both deflection and local stress fields.
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Dates et versions

hal-01717097, version 1 (25-02-2018)

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Domaine public

Identifiants

  • HAL Id : hal-01717097 , version 1

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Arthur Lebée, Karam Sab. Application of the Bending-Gradient theory to a beam lattice. 11e colloque national en calcul des structures, CSMA, May 2013, Giens, France. ⟨hal-01717097⟩
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Dernière date de mise à jour le 26/06/2024
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