Topic
Oblique shock
About: Oblique shock is a research topic. Over the lifetime, 6551 publications have been published within this topic receiving 119823 citations.
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01 Jan 1964
TL;DR: In this paper, a plane wave driven into a semi-infinite slab by a pressure acting on its surface is simulated and the details of stress and strain in the wave front with time resolution the order of 10-8 sec and with errors of only a few percent in amplitude.
Abstract: Experimental skill in the production and measurement of shock waves in solids has now progressed to such a stage that it is quite easy to simulate, for a short time, a plane wave driven into a semi-infinite slab by a pressure acting on its surface and to measure the details of stress and strain in the wave front with time resolution the order of 10-8 sec and with errors of only a few percent in amplitude [1, 2]. Such measurements have demonstrated the existence of an elastic precursor wave preceding the plastic shock in many metals and similar but less understood wave structures in other materials.
80 citations
TL;DR: A numerical method is described for inviscid, compressible, multi-material flow in two space dimensions based on a high-resolution Godunov method, but includes an energy correction designed to suppress numerical errors that develop near a material interface for standard, conservative shock-capturing schemes.
80 citations
TL;DR: In this article, four anomalous Earth's bow shock locations observed during 1969 are studied, using plasma and magnetic field data from the European satellite HEOS-1, using magnetohydrodynamic equations, making use of the magnetosonic Mach number of the solar wind.
80 citations
TL;DR: In this paper, a three-dimensional numerical study has been performed to investigate the influence of angle of shock waves on sonic transverse Hydrogen micro-jets subjected to a supersonic crossflow.
80 citations
TL;DR: In this article, an investigation into the interaction between the boundary layer on a flat plate and a shock wave produced either externally, by a wedge in the supersonic main-stream, or from within the boundary layers, by the wedge held in contact with the plate.
Abstract: An account is given of an investigation into the interaction between the boundary layer on a flat plate and a shock wave produced either externally, by a wedge in the supersonic main-stream, or from within the boundary layer, by a wedge held in contact with the plate. A wide range of free-stream Mach numbers, boundary-layer Reynolds numbers, and shock strengths has been covered, shock strength being defined as the ratio of the static pressure downstream of the shock to the static pressure upstream of it. Variations in these parameters can have large effects on the interaction, and there are also large differences between cases with externally generated shocks and cases where the shock is generated from within the boundary layer. The investigation has thrown light on the physical mechanisms involved. It is found that many of the major features of the interaction arise because the boundary layer separates from the surface ahead of the shock wave. The conditions under which separation occurs and the behaviour of the separated boundary layer thus have important effects, in terms of which, for example, the differences between the interactions observed with laminar and with turbulent boundary layers may be explained.
80 citations