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Natural convection in porous media - dual reciprocity boundary element method solution of the Darcy modelŠarler, Božidar ...This paper describes the solution of a steady state natural convection problem in porous media by the dual reciprocity boundary element method (DRBEM). The boundary element method (BEM) for the ... coupled set of mass, momentum, and energy equations in two dimensions is structured by the fundamental solution of the Laplace equation. The dual reciprocity method is based on augmented scaled thin plate splines. Numerical examples include convergence studies with different mesh size, uniform and non-uniform mesh arrangement, and constant and linear boundary field discretizations for differentially heated rectangular cavity problems at filtration with Rayleigh numbers of Ra*= 25, 50, and 100 and aspect ratios of A=1/2, 1, and 2. The solution is assessed by comparison with reference results of the fine mesh finite volume method (FVM).Source: International journal for numerical methods in fluids. - ISSN 0271-2091 (Vol. 33, issue 2, 2000, str. 279-312)Type of material - article, component partPublish date - 2000Language - englishCOBISS.SI-ID - 3692827
Author
Šarler, Božidar |
Gobin, Dominique |
Goyeau, Benoît |
Perko, Janez, 1972- |
Power, Henry
Topics
konvekcija naravna |
mediji porozni |
metode robnih elementov |
metode dualne recipročnosti |
plošče tanke |
procedure rešitev |
Darcy porous media |
DRBEM |
natural convection |
primitive variables |
thin plate splines |
Darcyjev porozni medij |
dvojna recipročna metoda robnih elementov |
DRMRE |
naravna konvekcija |
osnovne spremenljivke |
zlepki tankih plošč
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Database name | Field | Year |
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Šarler, Božidar | 04101 |
Perko, Janez, 1972- | 20174 |
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