CFD simulation of the wind environment around an isolated high-rise building: An evaluation of SRANS, LES and DES models
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- 作者：Jianlin Liu ; Jianlei Niu ; bejlniu@polyu.edu.hk" class="auth_mail" title="E-mail the corresponding author
- 关键词：CFD simulation ; High-rise building ; Wind flow pattern ; Turbulence model ; LES and DES models
- 刊名：Building and Environment
- 出版年：2016
- 出版时间：1 February 2016
- 年：2016
- 卷：96
- 期：Complete
- 页码：91-106
- 全文大小：4181 K
文摘
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Performances of SRANS, LES and DES modeling approaches are compared in simulating airflow around a building.
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Effects of discretization time step and sampling time are analyzed.
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DES can produce results similar as LES with lower mesh numbers and lower computing time.
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Instantaneous wind flow features around a building can be obtained from DES.
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DES is demonstrated in saving computational time and hardware requirements.