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Materias : 2501 Ciencias de la atmósfera250902 Contaminación atmosférica250121 Simulación numérica2509 Metereología250908 Micrometeorología1206 Análisis numérico

Fecha de publicación : 2012

Fecha de depósito: 14-abr-2016

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Tipo de documento: Congresos y conferencias

Resumen : ENIn this paper we propose a finite element method approach for modelling the air quality in a local scale over complex terrain. The area of interest is up to tens of kilometres and it includes pollutant sources. The proposed methodology involves the generation of an adaptive tetrahedral mesh, the computation of an ambient wind field, the inclusion of the plume rise effect in the wind field, and the simulation of transport and reaction of pollutants. The methodology is used to simulate a fictitious pollution episode in La Palma island (Canary Island, Spain)…

En : Proceedings of the Eighth International Conference on Engineering Computational Technology. - Stirlingshire, Scotland : Civil-Comp Press. - 4-7 de septiembre de 2012.





Author: Montenegro Armas, RafaelOliver, AlbertRodríguez, EduardoEscobar Sánchez, José María

Source: https://acceda.ulpgc.es


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©Civil-Comp Press, 2012 Proceedings of the Eighth International Conference on Engineering Computational Technology, B.H.V.
Topping, (Editor), Civil-Comp Press, Stirlingshire, Scotland Paper 35 Three-Dimensional Finite Element Modelling of Stack Pollutant Emissions R.
Montenegro1, A.
Oliver2, E.
Rodríguez1, J.M.
Escobar1 G.
Montero1 and A.
Pérez-Foguet2 1 University Institute for Intelligent Systems and Numerical Applications in Engineering (SIANI), University of Las Palmas de Gran Canaria, Spain 2 Laboratori de Càlcul Numèric (LaCàN) Universitat Politècnica de Catalunya--BarcelonaTech, Spain Abstract In this paper we propose a finite element method approach for modelling the air quality in a local scale over complex terrain.
The area of interest is up to tens of kilometres and it includes pollutant sources.
The proposed methodology involves the generation of an adaptive tetrahedral mesh, the computation of an ambient wind field, the inclusion of the plume rise effect in the wind field, and the simulation of transport and reaction of pollutants.
The methodology is used to simulate a fictitious pollution episode in La Palma island (Canary Island, Spain). Keywords: air quality modelling, finite element method, adaptive three-dimensional mesh, local scale, Eulerian description, mass-consistent model, wind field simulation. 1 Introduction In this paper, we present a new methodology for local scale air quality simulations, summarized in Algorithm 1, by using a non-steady finite element method with unstructured and adaptive tetrahedral meshes.
The aim of this proposal is to introduce an alternative to the standard implementation of current models, improving the computational cost of methods that use structured meshes [15]. Three remarkable uses of unstructured meshes in atmospheric pollution problems are the two-dimensional regional–global examples presented in [19, 1], the threedimensional regional examples, including local refinement with element sizes of ...





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