Numerical Simulation Of Buoyant Plumes
Using A Spectral Element Technique
Author(s)
P.D. Minev, F.N. van de Vosse, L.J.P. Timmermans,
C.C.M. Rindt & A.A. van Steenhoven
Abstract
Numerical simulation of buoyant plumes
using a spectral element technique
P.D. Minev, F.N. van de Vosse, L.J.P. Timmermans,
C.C.M. Rindt & A.A. van Steenhoven
Department of Mechanical Engineering, Eindhoven
University of Technology, P.O. Box 513, 5600 MB
Eindhoven, The Netherlands
1 Introduction
Highly convection-dominated thermally-driven problems appear frequently
in the engineering practice. Their investigation often involves the necessity
of direct simulation of transition to turbulence which requires high accuracy
of spatial and time discretization. In the present study numerical simula-
tion of unsteady plumes is presented performed with a spectral element
algorithm. The spectral element method (SEM), proposed by Patera [1], is
a high-order Galerkin type method which demonstrates excellent properties
(small numerical diffusion and dispersion error) with respect to convection-
dominated problems (see Timmermans & van de Vosse[2]). A major
Keywords
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