3-DIMENSIONAL RAYLEIGH-TAYLOR INSTABILITY OF SPHERICAL SYSTEMS

被引：60
|
作者：
SAKAGAMI, H [1 ]
NISHIHARA, K [1 ]
机构：
[1] OSAKA UNIV, INST LASER ENGN, SUITA, OSAKA 565, JAPAN
来源：
PHYSICAL REVIEW LETTERS | 1990年 / 65卷 / 04期
关键词：
D O I：
10.1103/PhysRevLett.65.432
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A fully three-dimensional Rayleigh-Taylor instability of the pusher-fuel contact surface in a spherically stagnating system is investigated with the use of a new three-dimensional fluid code impact - 3d. Linear growth rates in the simulations agree quite well with analytical values which include spherical-geometry effects. Saturation amplitudes of the exponential growth and free-fall speed following the saturation are found to be, respectively, larger and faster than those of 2D simulations. Nonlinear bubble-spike structures are also studied in detail. © 1990 The American Physical Society.
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收藏
页码：432 / 435
页数：4
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