Reference : Numerical Solution of Non-Isothermal Fluid Flows Using Local Radial Basis Functions (...
Scientific journals : Article
Engineering, computing & technology : Multidisciplinary, general & others
Computational Sciences
http://hdl.handle.net/10993/21005
Numerical Solution of Non-Isothermal Fluid Flows Using Local Radial Basis Functions (LRBF) Interpolation and a Velocity-Correction Method
English
Bourantas, Georgios mailto [University of Patras > Department of Medical Physics - School of Medicine]
Skouras, Eugene [University of Patras > Department of Chemical Engineering > > ; Foundation for Research and Technology > Institute of Chemical Engineering and High Temperature Chemical Processes]
Loukopoulos, Vasilis [University of Patras > Department of Physics]
Nikiforidis, George [University of Patras > Department of Medical Physics, School of Medicine]
Aug-2010
Computer Modeling in Engineering & Sciences
Tech Science Press
64
2
187-212
Yes
1526-1492
1526-1506
Palmdale
CA
[en] Meshfree point collocation method ; LRBF ; Velocity-vorticity formulation ; 2D incompressible Navier-Stokes equations ; Velocity-correction method
[en] Meshfree point collocation method (MPCM) is developed, solving the velocity-vorticity formulation of Navier-Stokes equations, for two-dimensional, steady state incompressible viscous flow problems in the presence of heat transfer. Particular emphasis is placed on the application of the velocity-correction method, ensuring the continuity equation. The Gaussian Radial Basis Functions (GRBF) interpolation is employed to construct the shape functions in conjunction with the framework of the point collocation method. The cases of forced, natural and mixed convection in a 2D rectangular enclosure are examined. The accuracy and the sta- bility of the proposed scheme are demonstrated through three representative, well known and established benchmark problems. Results are presented for high values of the characteristics non-dimensional numbers of the flow, that is, the Reynolds, the Rayleigh and the Richardson number
http://hdl.handle.net/10993/21005

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