Numerical confirmation of the hysteresis phenomenon in the regular to the Mach reflection transition in steady flows

A. Chpoun, G. Ben-Dor

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Abstract

Numerical calculations based on the Navier-Stokes equations are carried out to investigate the reflection of shock waves over straight reflecting surfaces in steady flows. The results for a flow Mach number of M0=4.96 confirm the recent experimental findings of Chpoun et al. (1995) concerning the transition from regular to Mach reflection. Numerical calculations as well as experimental results show a hysteresis phenomenon during this transition and the regular reflection is found to be stable in the dual-solution domain in which theoretically both regular and Mach reflection wave configurations are possible.

Original languageEnglish
Pages (from-to)199-203
Number of pages5
JournalShock Waves
Volume5
Issue number4
DOIs
StatePublished - 1 Dec 1995

Keywords

  • Hysteresis
  • Mach reflection
  • Regular reflection

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