Analysis and Experiment of Compressive Residual Strength of Composite Laminates with Holes

Abstract:

Experiment and Finite element analysis were used to study the strengths of composite laminates with and without holes. Finite element progressive damage analysis with Tsai-Wu criteria was applied to calculate the compressive residual strength of composite laminate. Abaqus and its user subroutine USDFLD were used for the finite element analysis. Tsai-Wu criteria as the failure criteria was realized in USDFLD as a Fortran program segment, and the stiffness degradation for the damaged elements was also realized by USDFLD. Analytic results gotten by progressive damage method were very close to the experimental results.

• Periodical: Advanced Materials Research (Volume 936)
• Pages: 43-52
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.936.43
• Online since: June 2014
• Authors: Xiang Hong Kong*, Zhi Jin Wang
• Keywords: Composite Laminates, Compressive Residual Strength, Finite Element, Progressive Damage Analysis, Stiffness Degradation

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