Abstract
This chapter presents a damage model and numerical method for predicting the dynamic progressive failure properties of composite laminates under low-velocity impact. The main work is to compare the effects of Hashin, Chang-Chang, and Puck criteria on the dynamic impact responses of composites. The impact modeling platform is established by ABAQUS-PYTHON scripting language and numerical technique for the elastic damage model with three failure criteria is developed by explicit material module ABAQUS-VUMAT. The delamination is simulated by the bilinear cohesive model. The load-force, load-displacement curves, and energy dissipation mechanisms for fiber, matrix, and delamination interface of composites using explicit FEA are studied.
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