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Harmonic growth of spherical Rayleigh-Taylor instability in weakly nonlinear regime
Liu WH(刘万海); Chen YL; Yu ZP(于长平); Li XL(李新亮)
Source PublicationPHYSICS OF PLASMAS
2015-11
Volume22Issue:11Pages:112112
ISSN1070-664X
Abstract

Harmonic growth in classical Rayleigh-Taylor instability (RTI) on a spherical interface is analytically investigated using the method of the parameter expansion up to the third order. Our results show that the amplitudes of the first four harmonics will recover those in planar RTI as the interface radius tends to infinity compared against the initial perturbation wavelength. The initial radius dramatically influences the harmonic development. The appearance of the second-order feedback to the initial unperturbed interface (i.e., the zeroth harmonic) makes the interface move towards the spherical center. For these four harmonics, the smaller the initial radius is, the faster they grow. (C) 2015 AIP Publishing LLC.

DOI10.1063/1.4936096
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000366054900017
WOS KeywordRichtmyer-meshkov Instability ; Inertial Confinement Fusion ; Planar Targets ; Hydrodynamic Instabilities ; Ablation Fronts ; Single-mode ; Stability ; Driven ; Compression ; Evolution
WOS Research AreaPhysics
WOS SubjectPhysics, Fluids & Plasmas
Funding OrganizationWe would like to thank the anonymous referee for the valuable suggestions that greatly improved this paper. This work was supported by the National Natural Science Foundation of China (Grant Nos. 11472278 and 11372330), the Scientific Research Foundation of Mianyang Normal University (Grant Nos. 15ZA0296, QD2014A009 and 2014A02), and the National High-Tech ICF Committee.
DepartmentLHD可压缩湍流
Classification一类
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58658
Collection高温气体动力学国家重点实验室
Corresponding AuthorYu ZP(于长平)
Recommended Citation
GB/T 7714
Liu WH,Chen YL,Yu ZP,et al. Harmonic growth of spherical Rayleigh-Taylor instability in weakly nonlinear regime[J]. PHYSICS OF PLASMAS,2015,22(11):112112.
APA Liu WH,Chen YL,Yu ZP,&Li XL.(2015).Harmonic growth of spherical Rayleigh-Taylor instability in weakly nonlinear regime.PHYSICS OF PLASMAS,22(11),112112.
MLA Liu WH,et al."Harmonic growth of spherical Rayleigh-Taylor instability in weakly nonlinear regime".PHYSICS OF PLASMAS 22.11(2015):112112.
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