Paper Title:

3-D Micromechanics Model for Progressive Failure Analysis of Laminated Cylindrical Composite Shell

Periodical Key Engineering Materials (Volumes 297 - 300)
Main Theme Advances in Fracture and Strength
Edited by Young-Jin Kim, Dong-Ho Bae and Yun-Jae Kim
Pages 1113-1119
DOI 10.4028/www.scientific.net/KEM.297-300.1113
Citation Zheng Zhao Liang et al., 2005, Key Engineering Materials, 297-300, 1113
Online since November, 2005
Authors Zheng Zhao Liang, Chun An Tang, De Shen Zhao, Yong Bin Zhang, Tao Xu, Hou Quan Zhang
Keywords Failure Process, Laminated Material, Micromechanical Model, Numerical Simulation
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Abstract

A newly developed numerical code MFPA3D is applied to simulate the progressive damage and failure process of laminated cylindrical composite shell. Heterogeneities in meso-scale are taken into account by randomly distributing the material properties throughout the model by following a Weibull statistical distribution. The cylindrical composite shell is discretized into 3-D block elements with the fixed size and is subjected to a lateral compressive loading, applied with a constant displacement control manner. The numerical simulation results show that not only the process of crack initiation, propagation and coalescence but also the failure process can be numerically obtained in three dimensional. The MFPA3D modeling demonstrates that the code can simulate non-linear behavior of brittle materials with a simple mesoscopic constitutive law with a strength and elastic modulus reduction of the weaken elements.