Simplified Method for Predicting Overall Thermomechanical Properties of Cracked Composite Laminates
Source abstract
Abstract
Predictive method of overall thermomechanical properties of symmetric composite laminates with matrix cracks in multiple plies is presented. A general 2 n -ply symmetric cracked laminate is divided into n - 1 cracked sublaminates. Each sublaminate containing obliquely-crossed matrix cracks is analyzed using a two-dimensional shear-lag model and its effective in-plane properties are calculated. Application of lamination theory to the n - 1 sublaminates with effective properties results in estimation of overall properties of the cracked laminate. Effectiveness of this simplified method is verified by comparing with available FE results. Finally, this article shows the applicability of this predictive method to energy release rate analysis associated with matrix cracking.
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Research context
OpenAlex topics: Mechanical Behavior of Composites · Composite Structure Analysis and Optimization · Fatigue and fracture mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Aeronautics and Astronautics, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656 Japan,
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