Multiscale failure modeling of concrete: Micromechanical modeling, discontinuous homogenization and parallel computations

被引：118

作者：

Vinh Phu Nguyen ^{[1
]}

Stroeven, Martijn ^{[1
]}

Sluys, Lambertus Johannes ^{[1
]}

机构：

[1] Delft Univ Technol, Fac Civil Engn & Geosci, NL-2600 GA Delft, Netherlands

来源：

COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING | 2012年 / 201卷

关键词：

Representative volume element (RVE); Concrete; Softening; Multiscale; Homogenization; Crack; FINITE-ELEMENT-METHOD; CEMENT-BASED MATERIALS; DAMAGE; SIMULATION; HYDRATION; CONDUCTION; 2-SCALE; SHELLS; FE2;

D O I：

10.1016/j.cma.2011.09.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A multiscale failure model for concrete materials is proposed. At the microscale, the mechanical behavior of hardening cement paste is studied by a numerical framework that combines a cement hydration code and a finite element program. Macroscopic failure of the material is represented by cohesive cracks of which behavior is determined during the simulation based on nested finite element computations realized on microscopic samples. To accelerate the performance of heavy multiscale computations, a parallel implementation is presented. Numerical examples are given to demonstrate the capabilities of the proposed framework. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：139 / 156

页数：18

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