%0 Journal Article
%T Derivation of a Nonlinear Reynolds Stress Model Using Renormalization Group Analysis and Two-Scale Expansion Technique
%A LIU Zheng-Feng
%A WANG Xiao-Hong
%A <br>刘正锋
%A 王晓宏
%J 中国物理快报
%D 2008
%I 
%X Adopting Yoshizawa's two-scale expansion technique, the fluctuating field is expanded around the isotropic field. The renormalization group method is applied for calculating the covariance of the fluctuating field at the lowerorder expansion. A nonlinear Reynolds stress model is derived and the turbulent constants inside are evaluated analytically. Compared with the two-scale direct interaction approximation analysis for turbulent shear flows proposed by Yoshizawa, the calculation is much more simple. The analytical model presented here is close to the Speziale model, which is widely applied in the numerical simulations for the complex turbulent flows.
%K 47
%K 27
%K Em
%K 05
%K 10
%K Cc<br>流体力学
%K 非线性雷诺压力模型
%K 重正规化群分析
%K 二级扩展技术
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=E27DA92E19FE279A273627875A70D74D&aid=A94C45044BD12D771FD510AB2291CFEE&yid=67289AFF6305E306&vid=C5154311167311FE&iid=0B39A22176CE99FB&sid=1A0C7C60D40EFD74&eid=D647AF4730396036&journal_id=0256-307X&journal_name=中国物理快报&referenced_num=0&reference_num=0