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3D macroelement approach for nonlinear FE analysis of URM components subjected to in-plane and out-of-plane cyclic loading
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3D MACROELEMENT APPROACH FOR NONLINEAR FE ANALYSIS OF URM COMPONENTS SUBJECTED TO IN-PLANE AND OUT-OF-PLANE CYCLIC LOADING ENGSTRUCT_2020.pdf | Accepted version | 2.1 MB | Adobe PDF | View/Open |
Title: | 3D macroelement approach for nonlinear FE analysis of URM components subjected to in-plane and out-of-plane cyclic loading |
Authors: | Minga, E Macorini, L Izzuddin, B Calio, I |
Item Type: | Journal Article |
Abstract: | The paper presents a novel 3D macroelement approach for efficient and accurate nonlinear analysis of unreinforced masonry components subjected to in-plane and out-of-plane cyclic loading. A macroscopic description for masonry is employed, where macroelements, consisting of deformable blocks interacting through cohesive interfaces, are used to represent large portions of masonry walls, enhancing computational efficiency. Enriched kinematic characteristics are adopted for the homogeneous blocks, where in-plane shear and out-of-plane bending modes are described by two independent Lagrangian parameters. Moreover, a detailed material model for the nonlinear interfaces connecting adjacent elements enables an accurate representation of complex failure modes and cracking patterns in masonry walls. As a result, the proposed FE strategy can be employed for accurate response predictions of large masonry structures subjected to cyclic loading conditions. The accuracy of the macroelement approach is validated through comparisons against results of experimental tests of solid and perforated masonry walls under in-plane and out-of-plane loading. |
Issue Date: | 1-Oct-2020 |
Date of Acceptance: | 8-Jun-2020 |
URI: | http://hdl.handle.net/10044/1/80895 |
DOI: | 10.1016/j.engstruct.2020.110951 |
ISSN: | 0141-0296 |
Publisher: | Elsevier |
Start Page: | 1 |
End Page: | 22 |
Journal / Book Title: | Engineering Structures |
Volume: | 220 |
Copyright Statement: | © 2020 Elsevier Ltd. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence http://creativecommons.org/licenses/by-nc-nd/4.0/ |
Keywords: | 0905 Civil Engineering 0912 Materials Engineering 0915 Interdisciplinary Engineering Civil Engineering |
Publication Status: | Published online |
Online Publication Date: | 2020-07-08 |
Appears in Collections: | Civil and Environmental Engineering |