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.

引用

页码：432 / 435

页数：4

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