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An efficient algorithm for solving a multi-layer convection-diffusion problem applied to air pollution problems
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DOI：10.1016/j.advengsoft.2013.06.010.png)
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Abstract
En 中文
An urban scale Eulerian non-reactive multilayer air pollution model is proposed describing convection, turbulent diffusion and emission. A mass-consistent wind field model developed by authors is included in the air pollution model. An Adaptive Finite Element Method with characteristics in the horizontal directions and Finite Differences in the vertical direction using splitting techniques is proposed to numerically solve the corresponding PDE problem. A parallel version of the algorithm improves the precision of the solution keeping computation time below real time of simulation. A numerical example illustrates the whole problem. (C) 2013 Elsevier Ltd. All rights reserved.
Keywords:
Air pollution modeling
Splitting methods
Adaptive Finite Element Method
Parallel algorithm
Parabolic convection-diffusion PDE
PDE numerical methods
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