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Gasdynamic Analogies in Problems of the Oblique Interaction of MHD Shock Waves

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Abstract

Gasdynamic analogies are constructed for the oblique interaction of MHD shock waves (counter colliding or overtaking). These analogies fairly adequately describe the complex dependences of the gas dynamic parameters of the medium on the magnetic field strength and inclination. The complete gas dynamic analogy in which the MHD interaction is simulated by the interaction of two gas dynamic shock waves with Mach numbers calculated on the basis of the fast magnetosonic speeds adequately describe the state of the medium for weak and moderate magnetic fields. The “hybrid” model, in which the state behind the interacting shock wave is calculated from the MHD relations on discontinuities and the gas dynamic analogy is then used, gives satisfactory results in a stronger field.

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Pushkar', E.A. Gasdynamic Analogies in Problems of the Oblique Interaction of MHD Shock Waves. Fluid Dynamics 36, 989–1003 (2001). https://doi.org/10.1023/A:1017931113885

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