Parallel Computational Fluid Dynamics 1997

Parallel Computational Fluid Dynamics 1997

Recent Developments and Advances Using Parallel Computers
1998, Pages 115-121
Parallel Computational Fluid Dynamics 1997

- Parallel Simulation of Forest Fire Spread Due to Firebrand Transport

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The underlying physics of a forest fire is extremely complex, involving turbulent fluid flow through heterogeneous porous and nonporous media over irregular terrain containing nonuniformly distributed, variably-shaped obstacles undergoing combustion accompanied by all modes of heat transfer. It is subject to changing meteorological conditions, some of which may be initiated by the fire itself in extreme cases. This chapter reports on work that is underway to utilize satellite and airborne thermal. Imaging techniques, GIS data, and remote massively parallel supercomputers to provide real-time, in-the-field prediction of fire spread so as to directly influence fire-fighting tactics. The chapter focuses attention on the physical forest fire model, especially parallelization of the numerical methods used in solving the corresponding equations. Through a thorough observation of the SPP2000 and SPP1200 that, at least, the 2-D trajectory calculations can be run effectively in real time. Furthermore, with probably no more than one or two advances in parallel hardware performance, it is possible to start performing 3-D real time computations.

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