An efficient algorithm for solving a multi-layer convection–diffusion problem applied to air pollution problems

•An urban scale Eulerian non-reactive multi-level air pollution model is proposed.•The mass-consistent wind field model provides a completely self-sufficiently model.•Adaptive F.E.M. with characteristics and F.D. with splitting techniques is developed.•Splitting techniques, adaptativity and parallel...

Full description

Saved in:
Bibliographic Details
Published in:Advances in engineering software (1992) 2013-11, Vol.65, p.191-199
Main Authors: Ferragut, L., Asensio, M.I., Cascón, J.M., Prieto, D., Ramírez, J.
Format: Article
Language:English
Subjects:
Adaptive Finite Element Method
Air pollution
Air pollution modeling
Algorithms
Computer programs
Computer simulation
Horizontal
Mathematical analysis
Mathematical models
Multilayers
Parabolic convection–diffusion PDE
Parallel algorithm
PDE numerical methods
Splitting methods
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:•An urban scale Eulerian non-reactive multi-level air pollution model is proposed.•The mass-consistent wind field model provides a completely self-sufficiently model.•Adaptive F.E.M. with characteristics and F.D. with splitting techniques is developed.•Splitting techniques, adaptativity and parallel strategies reduce the cots. 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.
ISSN:0965-9978
DOI:10.1016/j.advengsoft.2013.06.010