Numerical simulation of the flow passing a pipeline close to a flat seabed

Namazi-Saleh, F. and Kurian, V.J. and Mustaffa, Z. (2016) Numerical simulation of the flow passing a pipeline close to a flat seabed. In: UNSPECIFIED.

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

In this study, the vortex-shedding pattern and hydrodynamic force acting on the surface of a marine pipe near a flat boundary are simulated numerically. The Navier-Stokes equations with the use of Large Eddy Simulation (LES) model are numerically solved to predict flow pattern and to calculate the pressure distribution on the surface of the pipe. The governing equations are solved based on 2D Galerkin finite volume algorithm. Due to the high flexibility of unstructured triangular meshes for modeling any complex geometry, this type of meshing is selected in the present study. Evaluation of the numerical modeling shows that this method is able to predict the hydrodynamic force and flow pattern over the pipe properly. In addition, the results prove that the vicinity of the bed shear layer to cylinder shear layer would significantly influence the vortex-shedding pattern. © 2016 Taylor & Francis Group, London.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Additional Information: cited By 0; Conference of 3rd International Conference on Civil, offshore and Environmental Engineering, ICCOEE 2016 ; Conference Date: 15 August 2016 Through 17 August 2016; Conference Code:180169
Uncontrolled Keywords: Environmental engineering; Flow patterns; Hydrodynamics; Large eddy simulation; Numerical methods; Numerical models; Offshore oil well production; Shear flow; Vortex flow; Vortex shedding, Complex geometries; Governing equations; High flexibility; Hydrodynamic forces; Shear layer; Unstructured triangular meshes; Vortex shedding patterns, Navier Stokes equations
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 16:19
Last Modified: 09 Nov 2023 16:19
URI: https://khub.utp.edu.my/scholars/id/eprint/7564

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