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Journal of Applied Fluid Mechanics، جلد ۹، شماره ۲، صفحات ۷۱۱-۷۱۸
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عنوان انگلیسی Numerical Simulation of Local Scour around Underwater Pipeline based on FLUENT Software
چکیده انگلیسی مقاله This paper proposed a new methodology which was based on computational fluid dynamics for predicting the scouring process of underwater pipeline. By redeveloping a commercial CFD computer code, the governing equations for the flow model was solved by finite volume method and wall shear stress which acted as the key parameter to judge the incipient motion of sediment was firstly calculated. Then the morphological change of the sandy bed was simulated by dynamic mesh technology. Based on the comparisons between experimental results and numerical results, it was confirmed that present numerical modeling method can simulate the flow field and scouring process around underwater pipeline accurately. Besides, the influence of gap ratios on the scour behaviors was investigated by the present simulation.
کلیدواژه‌های انگلیسی مقاله Underwater pipeline, Local scour, Yser defined function, Numerical simulation, Fluent
نویسندگان مقاله Z. Zhang |
Zhejiang Institute of hydraulics and Estuary, Hangzhou,310020,China

B. Shi |
College of Engineering, Ocean University of China,Qingdao,266100,China

نشانی اینترنتی https://www.jafmonline.net/article_1652_184233bad7e89ce1b362ac450401a053.pdf
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