Dynamic response characteristics of the protection system for a projectile-borne recorder under high impact loading

CHENG Xiangli; ZHAO Hui; JIAO Min; YE Haifu; LI Linchuan

doi:10.11883/bzycj-2018-0418

Volume 39 Issue 12

Dec. 2019

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Article Navigation > Explosion And Shock Waves > 2019 > 39(12): 125102

CHENG Xiangli, ZHAO Hui, LI Linchuan, YE Haifu. Projectile target response model for normal penetration process based on mechanical vibration theory[J]. Explosion And Shock Waves, 2019, 39(9): 093301. doi: 10.11883/bzycj-2018-0242

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CHENG Xiangli, ZHAO Hui, JIAO Min, YE Haifu, LI Linchuan. Dynamic response characteristics of the protection system for a projectile-borne recorder under high impact loading[J]. Explosion And Shock Waves, 2019, 39(12): 125102. doi: 10.11883/bzycj-2018-0418

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Dynamic response characteristics of the protection system for a projectile-borne recorder under high impact loading

doi: 10.11883/bzycj-2018-0418

Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

Received Date: 2018-10-29
Rev Recd Date: 2019-05-09
Publish Date: 2019-12-01

Abstract

Abstract

To provide an optimal direction for the protection design of a projectile-borne recorder, the dynamic response mechanism of the protection system for the projectile-borne recorder under high impact loading was revealed according to the mechanical vibration theory. On the basis of analysis for the load transfer relation, a simplified dynamic response model based on the two-degree-of-freedom spring-mass-damper system was established. To verify the credibility of the model, numerical simulation was carried out, and the parameters of the response model were identified according to the impulse response analysis and the harmonic analysis. Based on the result that the values of the theoretical calculation agreed well with those of the numerical simulation, it was concluded that the proposed model was more suitable to describe the dynamic response characteristics of the protection system under high impact loading. According to the amplitude-frequency response characteristics, the change of the dynamic response characteristics along various parameters was analyzed, which could be applied to guide the protection design of the projectile-borne recorder.
- high impact loading,
- projectile-borne recorder,
- dynamic response model,
- spring-mass-damper system,
- impulse response analysis,
- harmonic analysis

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