Numerical solutions of u 皿 steady viscous 且ows around rectangUlar cylinders with differellt depth − breadt . h ratios are prese 皿 ted by 亘且 sing the third−order Ilpwind finite element scheme . In all the calcl 乳lations in t 】 lis paper, a turbulent model , such as tlte two − equation model or the large − eddy sim " lation , is not incorpor 乱ted in the sd 〕eme , The rectangular cylinders are therefore placed i 皿 almifo τm fi osv . It is shown that the computed . aerodynamic brces acting o 皿 the

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... ectangular cylinders and the Strouhal numbers are in good agreement with otller computationa . l and experimental results . Key wards , third − order upwind scheme . Petrov −Galerkin formiilation 、 mLyed formu ] at, ion, finite eleme 皿 t method , How arounCl rectanglller cylinders 3