IMECH-IR  > 力学所知识产出(1956-2008)
Optimized Group Velocity Control Scheme and DNS of Decaying Compressible Turbulence of Relative High Turbulent Mach Number
Li XL(李新亮); Fu DX(傅德薰); Ma YW(马延文); Li, XL (reprint author), Chinese Acad Sci, Inst Mech, LMM, 15 Beishuanxi Rd, Beijing 100080, Peoples R China.
Source PublicationInternational Journal for Numerical Methods In Fluids
2005
Volume48Issue:8Pages:835-852
ISSN0271-2091
AbstractTo overcome the difficulty in the DNS of compressible turbulence at high turbulent Mach number, a new difference scheme called GVC8 is developed. We have succeeded in the direct numerical simulation of decaying compressible turbulence up to turbulent Mach number 0.95. The statistical quantities thus obtained at lower turbulent Mach number agree well with those from previous authors with the same initial conditions, but they are limited to simulate at lower turbulent Mach numbers due to the so-called start-up problem. The energy spectrum and coherent structure of compressible turbulent flow are analysed. The scaling law of compressible turbulence is studied. The computed results indicate that the extended self-similarity holds in decaying compressible turbulence despite the occurrence of shocklets, and compressibility has little effects on relative scaling exponents when turbulent Mach number is not very high.
Subject Area力学
DOI10.1002/fld.941
Indexed BySCI
Language英语
WOS IDWOS:000230210000003
WOS Research AreaComputer Science ; Mathematics ; Mechanics ; Physics
WOS SubjectComputer Science, Interdisciplinary Applications ; Mathematics, Interdisciplinary Applications ; Mechanics ; Physics, Fluids & Plasmas
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/16780
Collection力学所知识产出(1956-2008)
Corresponding AuthorLi, XL (reprint author), Chinese Acad Sci, Inst Mech, LMM, 15 Beishuanxi Rd, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Li XL,Fu DX,Ma YW,et al. Optimized Group Velocity Control Scheme and DNS of Decaying Compressible Turbulence of Relative High Turbulent Mach Number[J]. International Journal for Numerical Methods In Fluids,2005,48,8,:835-852.
APA 李新亮,傅德薰,马延文,&Li, XL .(2005).Optimized Group Velocity Control Scheme and DNS of Decaying Compressible Turbulence of Relative High Turbulent Mach Number.International Journal for Numerical Methods In Fluids,48(8),835-852.
MLA 李新亮,et al."Optimized Group Velocity Control Scheme and DNS of Decaying Compressible Turbulence of Relative High Turbulent Mach Number".International Journal for Numerical Methods In Fluids 48.8(2005):835-852.
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