A Progressive Damage Model for Laminated Composites Containing Stress Concentrations
作者： Fu-Kuo Chang , Kuo-Yen Chang
DOI: 10.1177/002199838702100904
关键词: Nonlinear finite element analysis 、 Nonlinear system 、 Materials science 、 Lamination theory 、 Laminated composites 、 Stress concentration 、 Structural engineering 、 Stress (mechanics) 、 Composite material 、 Ultimate tensile strength 、 Traction (engineering)
摘要: A progressive damage model is presented for notched laminated composites subjected to tensile loading. The model is capable of assessing damage in laminates with arbitrary ply-orientations and of predicting the ultimate tensile strength of the notched laminates. The model consists of two parts, namely, the stress analysis and the failure analysis. Stresses and strains in laminates were analyzed on the basis of classical lamination theory with the consideration of material nonlinearity. Damage accumulation in laminates was evaluated by …
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