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Conference Papers Year : 2014

Cosserat elastoplastic finite elements for masonry structures


A Finite Elements formulation previously developed for Cosserat elastic plates, has been extended herein to the elastoplastic framework. Material non-linearities are taken into account through the implementation of a backward-Euler closest-point-projection algorithm, for which the definition of non-smooth yield loci and non-associated plastic potentials and evolution laws is made possible. An existing homogenized elastic constitutive model and a set of yield criteria for the out-of-plane behaviour of block-masonry are implemented in the code and their validity is discussed based on the comparison with Discrete Elements simulations. The comparison is carried out in both the static and the dynamic regime.
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hal-01114447 , version 1 (09-02-2015)



Michele Godio, Ioannis Stefanou, Karam Sab, Jean Sulem. Cosserat elastoplastic finite elements for masonry structures. Mechanics of Masonry Structures Strengthened with Composite Materials, Sep 2014, Ravenna, Italy. pp.131 - 138, ⟨10.4028/⟩. ⟨hal-01114447⟩
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