Mathematical modeling and noise-proof estimation of shock wave pulse parameters based on the results of an experiment in underwater explosions
- Authors: Zoteev V.E.1, Ganigin S.Y.1, Demoretsky D.A.1, Nenashev M.V.1, Gubinskiy A.V.1
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Affiliations:
- Samara State Technical University
- Issue: Vol 25, No 1 (2021)
- Pages: 127-162
- Section: Mathematical Modeling, Numerical Methods and Software Complexes
- URL: https://journals.eco-vector.com/1991-8615/article/view/61886
- DOI: https://doi.org/10.14498/vsgtu1849
- ID: 61886
Cite item
Full Text
Abstract
The article deals with the construction of a mathematical model of the underwater shock wave pulse based on the results of the experiment and numerical and analytical scientific research. The results of the development and comparative analysis of various numerical methods for nonlinear estimation of the parameters of this model are presented. A numerical method is proposed for estimating the pulse energy of a shock wave based on the experimental results in the form of an overpressure waveform both over an infinite period of time and at a given pulse duration. The results of testing the developed numerical methods for mathematical modeling of the underwater shock wave pulse when processing the results of the experiment at the explosion of model charge are presented. The reliability and efficiency of the computational algorithms and numerical methods of nonlinear estimation presented in this paper is confirmed by the results of numerical and analytical studies and mathematical models constructed on the basis of experimental data.
About the authors
Vladimir E. Zoteev
Samara State Technical University
Author for correspondence.
Email: zoteev-ve@mail.ru
ORCID iD: 0000-0001-7114-4894
SPIN-code: 8547-1223
Scopus Author ID: 16456013300
ResearcherId: D-8245-2014
http://www.mathnet.ru/rus/person38585
Dr. Tech. Sci.; Professor; Dept. of Applied Mathematics and Computer Science
244, Molodogvardeyskaya st., Samara, 443100, Russian FederationSergey Yu. Ganigin
Samara State Technical University
Email: ganigin.s.yu@yandex.ru
ORCID iD: 0000-0001-5778-6516
SPIN-code: 5725-6961
Scopus Author ID: 56674530800
http://www.mathnet.ru/rus/person38985
Dr. Phys. & Math. Sci., Professor; Dept. of Solid Chemical Technology
244, Molodogvardeyskaya st., Samara, 443100, Russian FederationDmitry A. Demoretsky
Samara State Technical University
Email: dda74@inbox.ru
ORCID iD: 0000-0002-4523-1465
SPIN-code: 2195-1432
Scopus Author ID: 57190848519
http://www.mathnet.ru/rus/person38903
Dr. Phys. & Math. Sci., Professor; Head of Department; Dept. of Solid Chemical Technology
244, Molodogvardeyskaya st., Samara, 443100, Russian FederationMaksim V. Nenashev
Samara State Technical University
Email: nenashev.mv@samgtu.ru
ORCID iD: 0000-0003-3918-5340
Scopus Author ID: 56462953900
http://www.mathnet.ru/rus/person38904
Dr. Tech. Sci., Professor; First Vice-Rector — Vice-Rector for Research
244, Molodogvardeyskaya st., Samara, 443100, Russian FederationAleksey V. Gubinskiy
Samara State Technical University
Email: gubinskiy.av@samgtu.ru
ORCID iD: 0000-0002-9732-2596
SPIN-code: 2052-5236
Scopus Author ID: 57223173606
http://www.mathnet.ru/rus/person169899
Postgraduate Student; Dept. of Solid Chemical Technology
244, Molodogvardeyskaya st., Samara, 443100, Russian FederationReferences
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