Reliability analysis and design optimization of a shear pin constrained by mechanical boundaries

WANG Ruobing; ZHAO Zhijun; XIAO Heye; CHEN Jiawen; JIANG Xiaolei

doi:10.11883/bzycj-2018-0146

Volume 39 Issue 7

Jul. 2019

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WANG Ruobing, ZHAO Zhijun, XIAO Heye, CHEN Jiawen, JIANG Xiaolei. Reliability analysis and design optimization of a shear pin constrained by mechanical boundaries[J]. Explosion And Shock Waves, 2019, 39(7): 075101. doi: 10.11883/bzycj-2018-0146

Citation:

WANG Ruobing, ZHAO Zhijun, XIAO Heye, CHEN Jiawen, JIANG Xiaolei. Reliability analysis and design optimization of a shear pin constrained by mechanical boundaries[J]. Explosion And Shock Waves, 2019, 39(7): 075101. doi: 10.11883/bzycj-2018-0146

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Reliability analysis and design optimization of a shear pin constrained by mechanical boundaries

doi: 10.11883/bzycj-2018-0146

Xi’an Modern Control Technology Research Institute, Xi’an 710065, Shaanxi, China

Received Date: 2018-04-27
Rev Recd Date: 2018-08-09

Available Online: 2019-06-25

Publish Date: 2019-07-01

Abstract

Abstract

The shear pin is a key component of an explosive-actuated device. It must be cut by explosive force and guarantee regular work under mechanical environment in reliability analysis. The mechanical model of the shear pin constrained by the mechanical boundary is built based on the polynomial chaos expansion (PCE) method. Then, the sequential optimization and reliability assessment (SORA) method is adopted to promote a reliability-based design optimization (RBDO) for the shear pin. An explosive-actuated device is selected as an application example of reliability analysis and design, which is based on the idea proposed in this paper. Through the parametric sensitivity analysis of the shear pin, the relationship between designing parameters and mechanical environments is revealed and the effective factors on its reliability are obtained. At last, the explosive-actuated device is manufactured with optimal parameters and works normally under mechanical environment. It is proved that the promoted idea is accurate and useful for the reliability design and optimization of the shear pin under mechanical environments.
- reliability analysis,
- reliability-based design optimization,
- polynomial chaos expansion,
- sequential optimization,
- shear pin

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References(22)

References

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