11NS0.4%70$$thbf{T}{ext{asy}=suk=1}^Nalpha_kleft（oga_kotisthbf{v}kright）{ext{skew}}$$$oga_k$$k$$thbf{v}_k$$alpha_k$$$au_{ij}=-2CDelta^2|thbf{overline{S}}|overline{S}_{ij}+betafrac{partialthbf{u}_j^{ext{fil}}{partialx_i}$$$C$$Delta$.....................