Numerical Simulation of Penetration Effect of the Rhombic Fragment on Square Honeycomb Sandwich Plate

Tao Wang; Wen Li Yu; San Qiang Dong; Yun Liang Gao

doi:10.4028/www.scientific.net/AMR.466-467.347

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Numerical Simulation of Penetration Effect of the Rhombic Fragment on Square Honeycomb Sandwich Plate

Abstract:

In this paper, the penetration effect of a rhombic fragment penetrating sandwich in an oblique incidence with 30º impact angle at the velocity of 300 m•s^-1, 350 m•s^-1, 400 m•s^-1, 450 m•s^-1, 500 m•s^-1 and 600 m•s^-1 is simulated by LS-DYNA. The dynamic response and the damage patterns of sandwich plate and the movement rules of the rhombic fragment are acquired. The ratio of energy loss and the maximum resultant acceleration of the rhombic fragment are compared with that of the spherical respectively.