Study on shear stability of composite stiffened panels based on digital image correlation method

Junchao Yang; Xiangming Chen; Zhe Wang

doi:10.1117/12.2645434

30 August 2022 Study on shear stability of composite stiffened panels based on digital image correlation method

Junchao Yang, Xiangming Chen, Zhe Wang

Proceedings Volume 12309, International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2022); 123092S (2022) https://doi.org/10.1117/12.2645434
Event: International Conference on Advanced Manufacturing Technology and Manufacturing System (ICAMTMS 2022), 2022, Shijiazhuang, China

Abstract

Based on digital image correlation method (DIC), the shear stability of two configurations of composite stiffened plates was experimentally studied. The test results show that the buckling load and failure load of I-stiffened panels are 158.2 kN and 282.1 kN respectively, and the main failure models are the debonding of the truss skin interface and skin folding; the buckling load and failure load of M-stiffened panels are 181.9 kN and 292.3 kN respectively, and the main failure modes are consistent with that of T-stiffened panels. Then, a progressive damage failure model of stiffened panels was established to simulate the buckling and post-buckling behaviour. The results show that the buckling mode, buckling load, failure load and failure mode are consistent with the experimental results.

Citation Download Citation

Junchao Yang, Xiangming Chen, and Zhe Wang "Study on shear stability of composite stiffened panels based on digital image correlation method", Proc. SPIE 12309, International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2022), 123092S (30 August 2022); https://doi.org/10.1117/12.2645434

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