钢板夹钢管组合板抗低速冲击性能的优化研究

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振动与冲击 ›› 2017, Vol. 36 ›› Issue (1) : 194-200.

论文

张建亮，夏志成，周竞洋，孔新立，袁小军

作者信息 +

Optimization analysis for low velocity impact resistance performance of steel tube sandwich panels

ZHANG Jianliang, XIA Zhicheng, ZHOU Jingyang, KONG Xinli, YUAN Xiaojun

Author information +

文章历史 +

摘要

试验共设计了三块钢板夹钢管组合板，分别为净距90mm的三钢管组合板(G3)、净距30mm的四钢管组合板(G4)与净距0mm的五钢管组合板(G5)；研究了组合板在落锤冲击作用下的抗冲击性能及破坏情况。利用有限元软件对试验组合板及不同厚度钢板、钢管的组合板进行模拟，分析钢管(钢板)位置、钢板厚度、钢管壁厚对组合板抗冲击性能的影响。提出单位增加质量贡献比γ来衡量组合板抗冲击性能优化的程度。结果表明：钢管分布连续的组合板抗冲击性能最好；在组合板变形不太大的情况下，钢板在抗冲击过程中起主要吸能作用；只增加中钢管壁厚能更快地提高组合板抗冲击性能，但材料利用率降低；只增加上钢板厚度能提高组合板边钢管抗冲击过程的参与度，增强组合板的整体性，并提高材料利用率。

Abstract

To study anti-impact properties and destruction of steel tube-core sandwich panels under dropping impact load, in tests three steel tube sandwich panels were designed. The number of steel tubes of the steel tube sandwich panels was 3, 4 and 5, respectively. Respectively, they were named G3, G4 and G5. For three panels, the distances between tubes were 90 mm, 30 mm and 0 mm, respectively. The sandwich panels with different thicknesses of face-sheets and tube walls were studied with ANSYS/DYNA. For anti-impact properties, the influence factors discussed included position of tubes, thickness of face-sheets and tube walls. In addition, the contribution ratio of unit added weight γ was put forward to measure the optimization level of sandwich panels anti-impact property. The results showed that the sandwich panel with continuously distributed steel tubes has the best anti-impact properties; face-sheets play a major role in energy absorption when the deformation of the sandwich panel is small; the anti-impact property of the sandwich panel can be enhanced significantly by merely adding the thickness of the middle steel tubes, but the material utilization rate decreases; merely adding the thickness of the front face sheet can improve the participation level of the side steel tubes, the integrity and the material utilization ratio of sandwich panels.

导出引用

张建亮，夏志成，周竞洋，孔新立，袁小军. 钢板夹钢管组合板抗低速冲击性能的优化研究[J]. 振动与冲击, 2017, 36(1): 194-200

ZHANG Jianliang, XIA Zhicheng, ZHOU Jingyang, KONG Xinli, YUAN Xiaojun. Optimization analysis for low velocity impact resistance performance of steel tube sandwich panels[J]. Journal of Vibration and Shock, 2017, 36(1): 194-200

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