Abstract

To study the failure mechanism of tubular X-joint under lateral impact force, the nonlinear finite element method is adopted to simulate theoretical analysis model of tubular X-joint. Before analysis, the precision of finite element analysis (FEA) model is verified based on experimental data firstly. On the base of analyzing mechanism for tubular X-joint under lateral impact loading, the development law of deformation and stress is clarified, and energy transform pattern and the varying rules of impact force-deformation curve is analyzed.

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