with staggered grid syslem based on genera 【 ized curvilinear coor (lina [ es has b n developed in order te put an analysis meth 〔 xl of turbulent flow to practical use . Two cases of valid 且 口on have been carded out by LES of channel flow using or1hogona 量and non − o 曲 ogonal (skew)grids . Firs1 case uses an or 血 Qgonal grid and second case uses a skew grid , Mean − vel 亘y profiles of two cases show alnx〕st tlle sanB distributiQn as 山 at of 山 e logarithmic law. However , the profile based n the skew grid in s Gnd case shows an asynmetrica ] distribu 丘on with abeut 3% differenoe betw n upper side values and Iower Qnes . Huctuation vel i[ y componen 臚 and Reynolds shear stress in山 e first and second cases correspOnd very closely cach o 山 er . It is conf / irmed that山 e use of sucb a slightly skew grid d snot have sevcre influences on the behavior Of calcula 【 ed tulbulence . Keywords' generalized curvilinearcoordinales , staggered grid systetn , LES
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