Second sound in a solid under shock compression
- 26 April 1973
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 6 (8) , L171-L175
- https://doi.org/10.1088/0022-3719/6/8/001
Abstract
The propagation of a strong shock wave in a perfect, three-dimensional crystalline lattice is studied by means of molecular-dynamical calculations. The results show that behind the shock front there is a region of thermal relaxation which increases with time. The thermally relaxed region, therefore, propagates with a velocity lower than that of the shock front. It is believed that the wave-like propagation of this thermally equilibrated region is a natural extension of second sound from the conventional low-temperature, low-pressure regime to the high-temperature, high-pressure regime. The implication of this phenomenon on PVT calculations from shock-wave data is discussed briefly.Keywords
This publication has 3 references indexed in Scilit:
- Molecular Dynamic Simulations of Shock Waves in a Three-Dimensional SolidJournal of Applied Physics, 1972
- Molecular dynamical studies of the motion of point defects in a crystalline latticeJournal of Physics C: Solid State Physics, 1970
- Second Sound in Solid HeliumPhysical Review Letters, 1966