Influence of shape structure for floating shock platform on transverse shock spectrum

WANG Zhikai; WANG Yinan; SUN Beisheng; YAO Xiongliang; YANG Nana

doi:10.11883/bzycj-2018-0214

Volume 39 Issue 10

Oct. 2019

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WANG Zhikai, WANG Yinan, SUN Beisheng, YAO Xiongliang, YANG Nana. Influence of shape structure for floating shock platform on transverse shock spectrum[J]. Explosion And Shock Waves, 2019, 39(10): 103901. doi: 10.11883/bzycj-2018-0214

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Influence of shape structure for floating shock platform on transverse shock spectrum

doi: 10.11883/bzycj-2018-0214

Marine Engineering College, Harbin Engineering University, Harbin 150001, Heilongjiang, China

Received Date: 2018-06-19
Rev Recd Date: 2019-04-15

Available Online: 2019-09-25

Publish Date: 2019-10-01

Abstract

Abstract

Based on the acoustic coupling method in ABAQUS software, this paper adopts the equipment and platform integration analysis method on the study of medium floating shock platform. Discusses the impact of platform shape structure on platform shock environment, and proposes the design scheme to increase the transverse shock spectrum of the platform. First, the preliminary design of the shape structure is carried out to analyze its influence on the platform shock spectrum, and find the key factors which determine the influence degree. Then, optimize the structure to increase the shock spectrum of the platform. The calculation shows that the vertical shock spectrum of the platform is not significantly affected by the addition of baffle structure below the external platform, but the transverse shock spectrum will be improved. Due to the influence of shock wave diffraction and resistance, installing the vertical baffle at the bottom of the side can’t obviously increase the transverse shock spectral. The streamlined baffle at the bottom can effectively increase the receiving capacity of the platform on the explosive load.And at the same time, it can also reduce the influence of resistance as far as possible, so as to significantly increase the transverse shock spectrum of the platform.
- underwater explosion,
- floating shock platform,
- shock environment,
- shock spectrum

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References

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