IMECH-IR  > 力学所知识产出(1956-2008)
大涡模拟中亚格子模型对时空关联的影响
何国威
Source Publication中国力学学会学术大会’2005论文摘要集(上)
2005
Conference Name中国力学学会学术大会
Conference Date2005-08
Conference Place中国北京
Abstract应用大涡模拟计算湍流声场和化学反应流时会遇到这样一个问题:大涡模拟能否正确地预测湍流的时空关联,即频率波数能量谱。现有的亚格子模型都是根据能量平衡方程构造的,这并不能保证它能正确的预测时空关联。我们的数值模拟和理论分析证明了这个结论:用涡粘亚格子模型计算时空关联时,它的幅值要小于真实的结果,它的关联长度要大于真实的结果。在此基础上我们发展了时空关联的椭圆逼近理论,并构造了一个依赖于历史的亚
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47634
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
何国威. 大涡模拟中亚格子模型对时空关联的影响[C],2005.
Files in This Item: Download All
File Name/Size DocType Version Access License
大涡模拟中亚格子模型对时空关联的影响_何(42KB) 开放获取LicenseView Download
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[何国威]'s Articles
Baidu academic
Similar articles in Baidu academic
[何国威]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[何国威]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: 大涡模拟中亚格子模型对时空关联的影响_何国威.pdf
Format: Adobe PDF
This file does not support browsing at this time
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.