Study on the Width of Turbulent Area around Pier with Ship Impact

Xiao Ping Liu; Dong Yue Qian; Sen Song Fang; Yang Zhang

doi:10.4028/www.scientific.net/AMM.137.186

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 137Study on the Width of Turbulent Area around Pier...

Study on the Width of Turbulent Area around Pier with Ship Impact

Abstract:

Most papers focused on the hydraulic conditions and seldom took the factor of ships into consideration when they studied the impacts of navigation-turbulence around bridge pier upon clear width. This paper establishes a two-dimensional hydrodynamic model by using dynamic meshes of the software Fluent. How the ship affects the turbulence pattern of pier is analyzed, and the relationship of span wise distance between ship and pier as well as the change of force on ship over time is studied when the ship passing through the bridge. The results show that both the lateral flow in front of pier and the turbulent flow behind it could result in a force upon ship. The magnitude of the force is related to the distance between ship and bridge. The motion of ship can increase the weaving amplitude of pier wake and the width of turbulent area after it passes through the bridge.

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Periodical:

Applied Mechanics and Materials (Volume 137)

Pages:

186-191

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.137.186

Citation:

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Online since:

October 2011

Authors:

Xiao Ping Liu, Dong Yue Qian, Sen Song Fang, Yang Zhang

Keywords:

Dynamic Mesh, Flow around Cylinder, Pier, Ship, Width of Turbulent Area

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