Muhammad Saiful Islam Mallik, Mohammad Azizul Hoque, Ashraf Uddin

Comparative Study of Algebraic Wall Model and Differential Equation Wall Model in Large Eddy Simulation of Turbulent Channel Flow

A large eddy simulation (LES) is performed in a plane turbulent channel flow, where the near wallregion is approximated by algebraic wall model (AWM) and differential equation wall model (DEWM). The simulation is performed by using a finite difference method of second order accuracy in space and a low-storage explicitRunge-Kutta method with third order accuracy in time. The computational results are compared with those fromdirect numerical simulation (DNS) data. Comparing the results throughout the calculation domain we have foundthat the results from the LES with DEWM (LES-DEWM) approach show closer agreement with the DNS results.

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Turkish Journal of Mathematics and Computer Science-Cover

ISSN: 2148-1830
Yayın Aralığı: Yılda 2 Sayı
Başlangıç: 2013
Yayıncı: MATEMATİKÇİLER DERNEĞİ

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