Inderscience Publishers

Air pollution modelling, sensitivity analysis and parallel implementation

A new approach for Sensitivity Analysis (SA) in the field of air pollution modelling is proposed and applied to the Unified Danish Eulerian Model (UNI-DEM), a large-scale air pollution model. The SA requires numerous model experiments with different values of the studied parameters. By simultaneous variation of these parameters we produce a set of multidimensional discrete functions. These huge computational tasks require extensive resources of storage and CPU time. A highly parallel implementation of UNI-DEM has been created for this purpose and implemented on two powerful supercomputers. Some details of this implementation and numerical results on these supercomputers are presented.

Keywords: sensitivity analysis, Monte Carlo methods, air pollution, modelling, parallel computing, air quality, UNI-DEM, supercomputers

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