NDLI: Parallelization of a Large Scale Hydrocarbon Pool Fire in the Uintah PSE

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Rawat, Rajesh Jennifer, P. Spinti Yee, Wing Philip, J. Smith
Copyright Year	2002
Abstract	Realistic simulation of complicated systems such as large-scale pool fires requires the representation of relevant physical processes such as turbulent reacting flows, convective and radiative heat transfer, and fundamental gas-phase chemistry. Resolution of the length and time scales responsible for controlling the dynamic features of fire are also required to capture important fire physics. Resolving these length and time scales, however, requires massively parallel computations. To achieve coupling of these complicated processes in a massively parallel environment, software components that reuse physics-based, legacy fire codes (written in Fortran) are developed and integrated with Uintah, a component-based, visual Problem Solving Environment (PSE) [1]. Uintah provides the framework for large-scale parallelization for different applications. The integration of the new fire code in Uintah is built on three principles: 1) Develop different, reusable, physics-based components that can be used interchangeably and interact with other components, 2) reuse the legacy fire code as much as possible, and 3) use components developed by third parties, specifically non-linear and linear solvers designed for solving complex-flow problems. The simulation of a 10-m heptane pool fire illustrates the parallel scalability obtained with the integrated fire code. Linear scalability to 1000 processors is obtained on the SGI Origin 2000 at Los Alamos National Laboratory.
Sponsorship	Heat Transfer Division
Starting Page	49
Ending Page	55
Page Count	7
File Format	PDF
ISBN	0791836371
DOI	10.1115/IMECE2002-33105
Volume Number	Heat Transfer, Volume 6
Conference Proceedings	ASME 2002 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2002-11-17
Publisher Place	New Orleans, Louisiana, USA
Access Restriction	Subscribed
Subject Keyword	Turbulence Computer software Flow (dynamics) Heptane Physics Fortran Liquid pool fires Chemistry Simulation Computation Fire Resolution (optics) Radiative heat transfer
Content Type	Text
Resource Type	Article

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