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The classical solution of one problem of an absolutely inelastic impact on a long elastic semi-infinite bar

https://doi.org/10.29235/1561-2430-2021-57-4-417-427

Abstract

In this article, we study the classical solution of the mixed problem in a quarter of a plane for a one-dimensional wave equation. On the bottom boundary, the Cauchy conditions are specified, meanwhile, the second of them has a discontinuity of the first kind at one point. The smooth boundary condition, which has the first and the second order derivatives, is set at the side boundary. The solution is built using the method of characteristics in an explicit analytical form. The uniqueness is proved and the conditions are established under which a piecewise-smooth solution exists. The problem with matcing conditions is considered.

About the Authors

V. I. Korzyuk
Belarusian State University;Institute of Mathematics of the National Academy of Sciences of Belarus
Belarus

Viktor I. Korzyuk – Academician, Dr. Sc. (Physics and Mathematics), Professor

11, Surganov Str., 220072, Minsk; 4, Nezavisimosti Ave., 220030



J. V. Rudzko
Institute of Mathematics of the National Academy of Sciences of Belarus
Belarus

Jan V. Rudzko – Master's Degree Student, Belarusian State University

4, Nezavisimosti Ave., 220030, Minsk



References

1. Lazaryan V. A. On dynamic forces in harness devices of homogeneous trains with resistance to relative movements of carriages. Trudy Dnepropetrovskogo instituta inzhenerov zheleznodorozhnogo transporta [Proceedings of the Dnepropetrovsk Institute of Railway Engineers], 1950, no. 20, pp. 3–32 (in Russian).

2. Mavrin A. I. To the theory of shock piling. Izvestiya vuzov. Stroitel’stvo i arkhitektura [News of Universities. Building and Architecture], 1967, no. 8, pp. 24–28 (in Russian).

3. Boussinesq J. Du choc longitudinal d'une barre élastique prismatique fixée à un bout et heurtée à l'autre. Comptes Rendus, 1883, vol. 97, no. 2, pp. 154–157 (in French).

4. Gayduk S. I. Certain problems that are connected with the theory of a transversal shock along rods. Differentsial’nye uravneniya = Differential Equations, 1977, vol. 13, no. 7, pp. 1233–1243 (in Russian).

5. Gayduk S. I. A mathematical discussion of some problems connected with the theory of longitudinal shock along finite rods. Differentsial’nye uravneniya = Differential Equations, 1977, vol. 13, no. 11, pp. 2009–2025 (in Russian).

6. Korzyuk V. I. Equations of Mathematical Physics. 2nd ed. URSS Publ., 2021. 480 p. (in Russian).

7. Korzyuk V. I., Kozlovskaya I. S. Classical Problem Solutions for Hyperbolic Equations. Part 2. Minsk, Belarusian State University, 2017. 52 p. (in Russian).

8. Yurchuk N. I., Novikov E. N. Necessary conditions for existence of classical solutions to the equation of semi-bounded string vibration. Vestsі Natsyianal'nai akademіі navuk Belarusі. Seryia fіzіka-matematychnykh navuk = Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics series, 2016, vol. 52, no. 4, pp. 116–120 (in Russian).


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ISSN 1561-2430 (Print)
ISSN 2524-2415 (Online)