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Simulation and experimental studies of the repaired composite laminate

✍ Scribed by Y. P. Jiang; Z. F. Yue

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
444 KB
Volume
37
Category
Article
ISSN
0933-5137

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✦ Synopsis

Firstly the compress experiment is undertaken to investigate the efficiency of repaired panels in this paper, and then modeling of the mechanical behavior of the repaired composite panel under compressive static load is conducted by using of the finite element method. The effect of geometric non-linearity on the stress-strain response is considered in the numeric analysis. Fatherly, the user material subroutine (UMAT) is integrated with the ABAQUS pack-age with the geometric non-linearity effect for studying the damage initiation and its progression in the composite structure, and quadrilateral, linear, thick shell elements (S8R) are adopted. Finally, the predicted strain distribution, damage evolution and strength of the laminate are compared with the test results.

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