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IssuesArchive of Issues2001-2pp.77-84

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K. Yu. Osipenko and I. V. Simonov, "Supersonic flow of a porous medium past a cone," Mech. Solids. 36 (2), 77-84 (2001)
Year 2001 Volume 36 Number 2 Pages 77-84
Title Supersonic flow of a porous medium past a cone
Author(s) K. Yu. Osipenko (Moscow)
I. V. Simonov (Moscow)
Abstract The problem of a symmetric flow past a cone is considered for a dense medium with an attached shock wave. The medium is described by the state equation for a fluid with a nonlinear compressibility diagram reflecting the actual behavior of soft soil subjected to intensive loads. Plastic resistance to shear deformation is taken into account only on the surface of the cone in order to calculate the correction to the resistance. We examine critical values of the Mach number and those of the shock wave angle corresponding to the shock wave separation regime and we describe the resistance coefficient and the nondimensional pressure as functions of the cone angle and the Mach number. The results are compared with the solutions obtained under the assumption that the medium beyond the shock wave front is incompressible, the cone is thin, and the Mach number is very large. An estimate is obtained for the penetration depth of a cone of finite length in the regime under consideration.
References
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Received 27 November 1998
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