Dynamic Response and Damage of Composite Shell Under Impact
作者： Chongdu Cho , Guiping Zhao
DOI: 10.1007/BF03184570
关键词:
摘要: The dynamic response and damage of laminated composite cylindrical shell subjected to impact load is numerically investigated using the finite element method. A nine-node isoparametric quadrilateral based on Sander's theory developed, in which transverse shear deformation considered. semi-empirical contact law that accounts for permanent indentation incorporated into program evaluate force. Newmark time ingegration algorithm used solving dependent equations impactor. Tsai-Wu failure criterion estimate shell. Numerical results, including force history, interlaminate zone, indices are presented. Effects curvature, velocity mass impactor behaviors discussed.
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