Numerical implementation of spatial elastoplastic damage model of concrete in the framework of isogeometric analysis approach
type: Item
instance of: scholarly article
title: Numerical implementation of spatial elastoplastic damage model of concrete in the framework of isogeometric analysis approach
zbMATH Open document ID: 1400.74012
DOI: 10.1155/2016/4273024
author: Cheng Ma
author: Wei-zhen Chen
author: Jian-yuan Sun
published in: Mathematical Problems in Engineering
publication date: 2018-10-12T00:00:00Z
review text: Summary: This paper is a study of the numerical implementation of the spatial elastoplastic damage model of concrete by isogeometric analysis (IGA) method from three perspectives: the geometric modeling and the numerical formulation via IGA method, the constitutive model of concrete, and the solution algorithms for the local and global problems. The plasticity of concrete is considered on the basis of a nonassociated flow rule, where a three-parameter Barcelona yield surface and a modified Drucker-Prager plastic potential are used. The damage evolution of concrete driven by the internal variables is expressed by a piecewise function. In the study, the return-mapping algorithm and the substepping strategy are used for stress updating, and a new dissipation-based arc-length method with constraint path that considers the combined contribution of plasticity and damage to the energy dissipation is employed to trace the equilibrium path. After comparisons between simulation results and experimental data, the use of the elastoplastic damage model in the framework of IGA approach is proven to be practical in reflecting material properties of concrete.
Mathematics Subject Classification ID: 74C05
zbMATH DE Number: 6953178
describes a project that uses: ABAQUS
MaRDI profile type: Publication
full work available at URL: https://doi.org/10.1155/2016/4273024
OpenAlex ID: W2465505688
Wikidata QID: Q59131281
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description: scientific article; zbMATH DE number 6953178