Scale dependent continuum approaches for discontinuous assemblies: 'Explicit' and 'implicit' non-local models

被引:33
作者
Tuna, Meral [1 ]
Trovalusci, Patrizia [2 ]
机构
[1] Istanbul Tech Univ, Fac Mech Engn, Istanbul, Turkey
[2] Sapienza Univ Rome, Dept Struct & Geotech Engn, Via A Gramsci 53, I-00197 Rome, Italy
关键词
Cosserat; Eringen; Non-local; Finite element method; Localised loads; MICROPOLAR CONTINUA; EQUIVALENT; ELASTICITY; DEFORMATION; VIBRATION; COSSERAT; GRADIENT; MASONRY; MEDIA;
D O I
10.1016/j.mechrescom.2019.103461
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
The aim of the present work is to investigate the mechanical behaviour of orthotropic masonry subjected to localised loads in the context of both 'implicit'/'weak' and 'explicit' rstrong' non-local continuum models. To look for possible correspondences and differences, the solutions of Cosserat (micropolar) and integral form of Eringen models, obtained by employing finite element method, are compared. The resulting displacement and stress fields highlight the diffusive character of micropolar model, and the capability of Eringen model in avoiding stress singularities. (C) 2019 Elsevier Ltd. All rights reserved.
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页数:6
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