Adaptive wavelet collocation method simulations of Rayleigh-Taylor instability

被引：27

作者：

Reckinger, S. J. ^{[1
]}

Livescu, D. ^{[2
]}

Vasilyev, O. V. ^{[1
]}

机构：

[1] Univ Colorado, Boulder, CO 80309 USA

[2] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

来源：

PHYSICA SCRIPTA | 2010年 / T142卷

基金：

美国国家科学基金会;

关键词：

SINGLE-MODE; FLOWS; GROWTH; NOVA;

D O I：

10.1088/0031-8949/2010/T142/014064

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Numerical simulations of single-mode, compressible Rayleigh-Taylor instability are performed using the adaptive wavelet collocation method (AWCM), which utilizes wavelets for dynamic grid adaptation. Due to the physics-based adaptivity and direct error control of the method, AWCM is ideal for resolving the wide range of scales present in the development of the instability. The problem is initialized consistent with the solutions from linear stability theory. Non-reflecting boundary conditions are applied to prevent the contamination of the instability growth by pressure waves created at the interface. AWCM is used to perform direct numerical simulations that match the early-time linear growth, the terminal bubble velocity and a reacceleration region.

引用

页数：6

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