Large Eddy Simulation of Flows Associated with Offshore Oil and Gas Pipeline

被引：0
|
作者：
Nizamani, Z. [1 ]
Nakayama, A. [1 ]
机构：
[1] UTAR, Dept Environm Engn, Kampar 31900, Perak Darul Rid, Malaysia
来源：
INTERNATIONAL SYMPOSIUM ON CIVIL AND ENVIRONMENTAL ENGINEERING 2016 (ISCEE 2016) | 2017年 / 103卷
关键词：
CIRCULAR-CYLINDER; NUMERICAL-SIMULATION;
D O I：
10.1051/matecconf/201710304005
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Fluid structure interaction (FSI) applications are of wide range from offshore fixed and floating structures to offshore pipelines. Reynolds Averaged Navier Stoke (RANS) solution has limitation for unsteady and turbulent flow modelling. A possible approach is Large Eddy Simulation (LES) and it is applied to flows past a circular cylinder located far above, near and on a flat seabed. The Reynolds number considered is based on the real situation off Malaysia Coast and is sub-critical around 105. Hydrodynamic quantities in terms of mean pressure are predicted and vortex shedding mechanism is evaluated. The results are validated by comparing the simulation and experimental previous studies.
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页数：8
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