Fluid mechanics Shock waves Concept
Shock wave in gases
Summary
A shock wave in a gas is a very thin layer across which pressure, density, temperature and velocity jump. In inviscid gas dynamics it is modelled as a surface of discontinuity of a weak solution of the compressible Euler equations. Gas crosses the shock, and conservation of mass, momentum and energy gives the Rankine–Hugoniot conditions, while the entropy of the gas must increase. It is the gas-dynamic case of the general notion of a shock wave for conservation laws. See the definition.
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About this page
| Tag | FRVV0NHBXT |
|---|---|
| URI | m2://FRVV0NHBXT |
| Kind | concept |
| Writing | W0 stub |
| MSC | 76L05, 76N15, 35L67 |
| Specializes | Shock wave |
| Changed | 3 November 2026 |
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Used by
- Zeldovich–von Neumann–Döring detonation model
- Shock tube problem
- Richtmyer–Meshkov instability
- Detonation
- Normal shock relations
- Oblique shock
- Taylor–von Neumann–Sedov blast wave
- Riemann problem for gas dynamics
- Chapman–Jouguet condition