Impact performance of a glass fiber reinforced&nbsp;plastic ship with ice floes based on the nonlinear FEM

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Journal of Vibration and Shock ›› 2018, Vol. 37 ›› Issue (14) : 262-268.

Impact performance of a glass fiber reinforced plastic ship with ice floes based on the nonlinear FEM

HU Wenjin¹, NI Baoyu¹, BAI Xiaolong¹, LI Zhipeng¹, YU Changli²

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Abstract

By virtue of the finite element software ANSYS, the models of a glass fiber reinforced plastic ship and ice floes were built and the collision parameters and material properties were set up in advance. The dynamic collision between ship and ice was analyzed by the nonlinear finite element method with resorting to the LSDYNA. The influences of two impact factors were discussed: the first was the layer angle of glass fiber reinforced plastics, namely ［-45/45/-45/45/-45］and ［90/0/90/0/90］, and the second was the impact velocity. For the two layer angles, the dynamic response process of the collision between ship and ice was simulated and stress curves at the collision point and energy curves of the ship and ice floe were analyzed. On the other hand, the stress curves on the ship planking and the stress contour distributed on the ice floe were calculated under different velocity collision and the influence of the collision velocity on the collision process was investigated.

Key words

Glass fiber reinforced plastics / ship-ice collision / laying process / dynamic analysis / ANSYS/LS-DYNA

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HU Wenjin1, NI Baoyu1, BAI Xiaolong1, LI Zhipeng1, YU Changli2. Impact performance of a glass fiber reinforced plastic ship with ice floes based on the nonlinear FEM[J]. Journal of Vibration and Shock, 2018, 37(14): 262-268

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