Optimization design for priming parameters of two-point explosion based on gray theory

Gu Qiang; Zhang Shi-hao; An Xiao-hong; Zhang Ya

doi:10.11883/1001-1455(2015)03-0359-07

Volume 35 Issue 3

Jun. 2015

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Gu Qiang, Zhang Shi-hao, An Xiao-hong, Zhang Ya. Optimization design for priming parameters of two-point explosion based on gray theory[J]. Explosion And Shock Waves, 2015, 35(3): 359-365. doi: 10.11883/1001-1455(2015)03-0359-07

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Optimization design for priming parameters of two-point explosion based on gray theory

doi: 10.11883/1001-1455(2015)03-0359-07

College of Mechatronic Engineering, North University of China, Taiyuan 030051, Shanxi, China

Received Date: 2014-02-19
Rev Recd Date: 2014-05-17
Publish Date: 2015-05-25

Abstract

Abstract

Aimed at the selection problem of priming parameters of two-point explosion in concrete, a method for optimizing the parameters was proposed based on the gray theory.The experimental program was developed by the orthogonal experimental design technique, static explosion experiments were simulated by the software AUTODYN under different priming parameters.The gray relational degree and the gray incidence coefficient between the priming parameters and crater diameter as well as crater depth were calculated.The optimization of the priming parameters was done based on the single-objective function and the multi-objective function, and the additional production experiments were completed.The results show that the crater diameter increases 4%-42%, the left crater depth increases(0-29)%and the right crater depth increases(0-32)%by means of the optimized parameters, the damage effect of two-point explosion in concrete is improved than before.
- mechanics of explosion,
- gray theory,
- relational degree,
- concrete,
- orthogonal experiment,
- optimization

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