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A FE-Meshless Multiscale Approach for Masonry Materials

TitoloA FE-Meshless Multiscale Approach for Masonry Materials
Tipo di pubblicazionePresentazione a Congresso
Anno di Pubblicazione2015
AutoriSpada, A., Giambanco G., and Ribolla E.L.M.
Conference NameProcedia Engineering
Parole chiaveBoundary value problems, Computational homogenization, Elastoplasticity, Fracture, Interfaces (materials), Localization, Macroscopic localization, Masonry, Masonry materials, Meshless, Multi-scale approaches, Spectrum Analysis, Stiffness matrix, Tangent stiffness matrix, Zero-thickness interfaces
Abstract

A FE-Meshless multiscale computational strategy for the analysis of running bond masonry is presented. The Meshless Method (MM) is adopted to solve the boundary value problem (BVP) at the mesoscopic level. The representative unit cell is composed by the aggregate and the surrounding joints, the former assumed to behave elastically while the latter are simulated as non-associated elastic-plastic zero-thickness interfaces with a softening response. Macroscopic localization of plastic bands is obtained performing a spectral analysis of the tangent stiffness matrix. Localized plastic bands are embedded into the quadrature points area of the macroscopic finite elements. © 2015 The Authors. Published by Elsevier Ltd.

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84946053354&doi=10.1016%2fj.proeng.2015.06.244&partnerID=40&md5=3cfc343d0eaaa7daa2c6c577381df184
DOI10.1016/j.proeng.2015.06.244
Citation KeySpada2015364