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Progressive Failure Analysis of Laminates with Embedded Wrinkle Defects Based on an Elastoplastic Damage Model

Published:

March 4, 2021

Author:

Zhi Hua Ning, Guan Liang Huo, Ren Huai Liu, Wei Lin Wu and Jia Ming Xie

Abstract:

Out-of-plane wrinkling has a significant influence on the mechanical performance of composite laminates. Numerical simulations were conducted to investigate the progressive failure behavior of fiber-reinforced composite laminates with out-of-plane wrinkle defects subjected to axial compression. To describe the material degradation, a three-dimensional elastoplastic damage model with four damage modes (i.e., fiber tensile failure, matrix failure, fiber kinking/splitting, and delamination) was developed based on the LaRC05 criterion. To improve the computational efficiency in searching for the fracture angle in the matrix failure analysis, a high-efficiency and robust modified algorithm that combines the golden section search method with an inverse interpolation based on an existing study is proposed....

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Company Information:

Jinan University

Jinan University is a public research university based in Tianhe District, Guangzhou city, Guangdong province, China. It is one of the oldest universities established in China, tracing back to the Qing dynasty.

Guangzhou, Guangdong Province, China

School

  • Phone +86 (20) 872 05 925

Jinan University website

Company Postings:

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