Research on explosion-proof characteristics and optimization design of negative Poisson’s ratio honeycomb material

SUN Xiaowang; TAO Xiaoxiao; WANG Xianhui; LI Jinjun; WANG Lihui

doi:10.11883/bzycj-2020-0011

Volume 40 Issue 9

Sep. 2020

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SUN Xiaowang, TAO Xiaoxiao, WANG Xianhui, LI Jinjun, WANG Lihui. Research on explosion-proof characteristics and optimization design of negative Poisson’s ratio honeycomb material[J]. Explosion And Shock Waves, 2020, 40(9): 095101. doi: 10.11883/bzycj-2020-0011

Citation:

SUN Xiaowang, TAO Xiaoxiao, WANG Xianhui, LI Jinjun, WANG Lihui. Research on explosion-proof characteristics and optimization design of negative Poisson’s ratio honeycomb material[J]. Explosion And Shock Waves, 2020, 40(9): 095101. doi: 10.11883/bzycj-2020-0011

Citation:

SUN Xiaowang, TAO Xiaoxiao, WANG Xianhui, LI Jinjun, WANG Lihui. Research on explosion-proof characteristics and optimization design of negative Poisson’s ratio honeycomb material[J]. Explosion And Shock Waves, 2020, 40(9): 095101. doi: 10.11883/bzycj-2020-0011

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Research on explosion-proof characteristics and optimization design of negative Poisson’s ratio honeycomb material

doi: 10.11883/bzycj-2020-0011

1.
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China
2.
Unit 32379 of PLA, Beijing 100071, China
3.
Unit 32381 of PLA, Beijing 100071, China

Received Date: 2020-01-13
Rev Recd Date: 2020-06-05
Publish Date: 2020-09-01

Abstract

Abstract

In order to study in depth the structural response of the bottom protective component of the vehicles under blast loading and improve the blast resistant performance of the protective vehicles, a finite element model of the bottom protective component of a vehicle under blast loading was established, and the reliability of the finite element simulation was verified by the explosion impact bench test; the concave hexagonal negative Poisson’s ratio honeycomb material was used as the core layer of the protective component, the deformation mode of the negative Poisson’s ratio honeycomb material under blast loading was analyzed, and the blast resistant performance was compared with the other three protective components of the same mass. The results show that the protective component containing negative Poisson’s ratio honeycomb core has better resistance to blast loading. A mathematical model was established for multi-objective optimization problems with the cell size parameters of the honeycomb material as design variables, and the multi-objective genetic algorithm was used to obtain the optimal solution of the cell geometric parameters, which effectively reduces the maximum deflection and maximum kinetic energy of the protective component substrate.
- negative Poisson’s ratio,
- honeycomb material,
- resistance to explosion impact,
- multi-objective optimization

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References(18)

References

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