Overpressure reconstruction of shock wave based on generalized inverse theory

Guo Ya-li; Han Yan; Wang Li-ming

doi:10.11883/1001-1455(2014)06-0764-05

Volume 34 Issue 6

Dec. 2014

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Guo Ya-li, Han Yan, Wang Li-ming. Overpressure reconstruction of shock wave based on generalized inverse theory[J]. Explosion And Shock Waves, 2014, 34(6): 764-768. doi: 10.11883/1001-1455(2014)06-0764-05

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Guo Ya-li, Han Yan, Wang Li-ming. Overpressure reconstruction of shock wave based on generalized inverse theory[J]. Explosion And Shock Waves, 2014, 34(6): 764-768. doi: 10.11883/1001-1455(2014)06-0764-05

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Overpressure reconstruction of shock wave based on generalized inverse theory

doi: 10.11883/1001-1455(2014)06-0764-05

National Key Laboratory of Electronic Test Technology, North University of China, Taiyuan 030051, Shanxi, China

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Corresponding author: Guo Ya-li, guoyali@nuc.edu.cn
Received Date: 2013-05-02
Rev Recd Date: 2013-10-31
Publish Date: 2014-11-25

Abstract

Abstract

Aiming at the shortcoming that the measurement of part points can not acquire the propagation process of shock wave overall and the limitations of the empirical formulae for overpressure, this paper utilizes the weighted generalized inversion to inverse the velocity field of shock wave, acquires the overpressure distribution according to the relationship of peak overpressure and velocity.The inversion results are preferable to the empirical results by experimental confirmation in limitative area.
- mechanics of explosion,
- overpressure reconstruction,
- weighted generalized inversion,
- shock wave,
- computed tomography

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