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Effects of computational domain on numerical simulation of building fires.(Technical report)

Computational fluid dynamics (CFD) modeling (or field modeling) is becoming the main method for numerical simulation of building fires. Among many factors that influence the validity and accuracy of CFD simulation results, the computational domain is sometimes overlooked. In this article, the effect... Full description

Journal Title: Journal of Fire Protection Engineering Nov, 2010, Vol.20(4), p.225-251
Main Author: Xiaocui Zhang
Other Authors: Manjiang Yang , Jian Wang , Yaping He
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1042-3915
Zum Text:
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recordid: gale_ofa251505552
title: Effects of computational domain on numerical simulation of building fires.(Technical report)
format: Article
creator:
  • Xiaocui Zhang
  • Manjiang Yang
  • Jian Wang
  • Yaping He
subjects:
  • Computer Simulation -- Usage
  • Fire Protection -- Technology Application
  • Fluid Dynamics -- Analysis
ispartof: Journal of Fire Protection Engineering, Nov, 2010, Vol.20(4), p.225-251
description: Computational fluid dynamics (CFD) modeling (or field modeling) is becoming the main method for numerical simulation of building fires. Among many factors that influence the validity and accuracy of CFD simulation results, the computational domain is sometimes overlooked. In this article, the effects of computational domain on simulation results are analyzed. Simulation results from the use of different domains are compared with experimental data reported in the literature. A parametric study is then conducted to reveal a relationship between the effective domain extension and the heat release rate of the enclosure fire. The effect of computational domain extension in relation to vent opening is also investigated. It is found that the selection of computational domain can have a significant effect on the outcome of enclosure fire simulations. Determination of the appropriate computational domain without unduly sacrificing computational efficiency is also discussed.
language: English
source:
identifier: ISSN: 1042-3915
fulltext: fulltext
issn:
  • 1042-3915
  • 10423915
url: Link


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descriptionComputational fluid dynamics (CFD) modeling (or field modeling) is becoming the main method for numerical simulation of building fires. Among many factors that influence the validity and accuracy of CFD simulation results, the computational domain is sometimes overlooked. In this article, the effects of computational domain on simulation results are analyzed. Simulation results from the use of different domains are compared with experimental data reported in the literature. A parametric study is then conducted to reveal a relationship between the effective domain extension and the heat release rate of the enclosure fire. The effect of computational domain extension in relation to vent opening is also investigated. It is found that the selection of computational domain can have a significant effect on the outcome of enclosure fire simulations. Determination of the appropriate computational domain without unduly sacrificing computational efficiency is also discussed.
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