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FEM for Flow and Pollution in a Street Canyon
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SYSNO ASEP 0353943 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title FEM for Flow and Pollution in a Street Canyon Author(s) Bauer, P. (CZ)
Jaňour, Zbyněk (UT-L) RID, ORCID
Suzuki, A. (JP)Number of authors 3 Source Title Numerical Mathematics and Advanced Applications 2009. - Berlin : Springer, 2010 / Kreiss G. ; Lötstedt P. ; Malqvist A. - ISBN 978-3-642-11794-7 Pages s. 115-123 Number of pages 8 s. Action ENUMATH 2009 - European Conference on Numerical Mathematics and Advanced Applications /8./ Event date 29.06.2009-03.07.2009 VEvent location Uppsala Country SE - Sweden Event type EUR Language eng - English Country DE - Germany Keywords pollutation transport ; street canyon ; finite element method Subject RIV DG - Athmosphere Sciences, Meteorology CEZ AV0Z20760514 - UT-L (2005-2011) Annotation We develop a mathematical model of air flow and pollution transport in a 2D street canyon. The model is based on Navier–Stokes equations for viscous incompressible flow and convection–diffusion equation describing pollution transport. The solution is obtained by means of finite element method (FEM). We use the non-conforming Crouzeix–Raviart elements for velocity, the piecewise constant elements for pressure, and the piecewise linear elements for concentration. The resulting linear systems are solved by multigrid methods. We present computational studies of air flow and pollutant dispersion. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2011
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