Response analysis of shipboard equipment under test on floating shock platform

Wang Jun; Yao Xiong-liang; Guo Jun

doi:10.11883/1001-1455(2015)06-0832-07

Volume 35 Issue 6

Nov. 2015

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Wang Jun, Yao Xiong-liang, Guo Jun. Response analysis of shipboard equipment under test on floating shock platform[J]. Explosion And Shock Waves, 2015, 35(6): 832-838. doi: 10.11883/1001-1455(2015)06-0832-07

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Response analysis of shipboard equipment under test on floating shock platform

doi: 10.11883/1001-1455(2015)06-0832-07

Wang Jun^{1, 2},
Yao Xiong-liang¹,
Guo Jun^{1
,
,}

1.
College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, Heilongjiang, China
2.
The 719 Research Institute of CSIC, Wuhan 430064, Hubei, China

Received Date: 2014-04-29
Rev Recd Date: 2014-06-16
Publish Date: 2015-12-10

Abstract

Abstract

For the study of the mechanism of shipboard equipment on floating shock platform with installation of deck simulator fixture, the numerical simulation and theoretical analysis were carried out through building the finite element model and the mechanical model of the entire system. According to the vertical lowpass filtering characteristics of the deck structure from the hull, the function of the deck simulator fixture which can reduce the impact of high-frequency percussion and meet the requirements of equipment mounting frequency was put forward. The examining system of ship board equipment under test on floating shock platform was simplified to a damping forced vibration model of the three-axis system. The response of the shipboard equipment in different shock environments was calculated by Laplace transform. The results show that the numerical simulation is consistent with the theoretical calculation. The response of the equipment under test increases rapidly to maximum and then decays with time, and the vibration frequency transforms from high to low frequency. The damping effect should be considered when analyzing the long-term response of the examining system of the equipment under test on floating shock platform.
- mechanics of explosion,
- equipment response,
- FEM,
- floating shock platform,
- deck simulator fixture

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References

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