Gas-dynamical constraints under solution of nonlinear problems of supersonic gas dynamics

Alexey O. Kogemyakin; Vadim R. Meshkov; Alexander V. Omelchenko; Vladimir N. Uskov

doi:10.1117/12.334479

22 December 1998 Gas-dynamical constraints under solution of nonlinear problems of supersonic gas dynamics

Alexey O. Kogemyakin, Vadim R. Meshkov, Alexander V. Omelchenko, Vladimir N. Uskov

Proceedings Volume 3574, XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference; (1998) https://doi.org/10.1117/12.334479
Event: Twelfth International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, 1998, St. Petersburg, Russian Federation

Abstract

Availability of gasdynamical discontinuity waves (shock and entropic waves) and isentopic waves (depression-type waves or compressive shock waves) is the characteristic singularity of supersonic flows. An interaction of these waves leads to formation of the composite shock-wave configurations. Computation of these shock-wave configurations is reduced to multiple solution of two subproblems -- an interaction of discontinuity waves between themselves and an of discontinuity waves with isentropic waves. Unlike subproblems of first type the suproblems which related to interaction of discontinuities waves with isentropic waves is not enough researched. The reason of this situation is that an interaction between discontinuity waves and is occurred at the some finite field. Thereby approximation calculus for computation of these subproblems is used. In presented investigation analytical solution of these subproblems are offered.

Citation Download Citation

Alexey O. Kogemyakin, Vadim R. Meshkov, Alexander V. Omelchenko, and Vladimir N. Uskov "Gas-dynamical constraints under solution of nonlinear problems of supersonic gas dynamics", Proc. SPIE 3574, XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (22 December 1998); https://doi.org/10.1117/12.334479

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