抄録
The numerical investigation for the reflection of propagating expansion wave on the ellipsoid surface is carried out in this study. This paper aims to clear the reflecting process and the focusing phenomenon of expansion wave and the characteristic of pressure change caused by reflection of expansion wave on the ellipsoid surface using the PLM numerical method. From the results of numerical analysis, it is concluded that the pressure change and the pressure gradient depend on the initial length of expansion wave and the curvature of ellipsoid surface.
