convection-diffusion problems
On the natural stabilization of convection diffusion problems using LPIM meshless method
... in convection-dominated convection diffusion problems, many stabilized finite element methods have been proposed in liter- ...in convection-dominated ...For convection ...
14
A High Order Compact ADI Method for Solving 3D Unsteady Convection Diffusion Problems
... unsteady convection diffusion equations have been developed [5-10, ...dimensional problems in several space variables to collections of 1D problems and only requiring to solve tridiagonal ...
10
Computing Technology of a Method of Control Volume for Obtaining of the Approximate Analytical Solution to One Dimensional Convection Diffusion Problems
... The approached analytical solution to one-dimensional convection-diffusion problems is received. The algorithm of deriving of a solution is based on the control volume method. The analytical solution ...
6
A parallel domain decomposition algorithm for the adaptive finite element solution of 3-D convection-diffusion problems
... Jimack, P.K. and Nadeem, S.A. (2002) A parallel domain decomposition algorithm for the adaptive finite element solution of 3-D convection-diffusion problems. In: Sloot, P.M.A., Tan, C.J.K., Dongarra, ...
11
Superconvergence of the local discontinuous Galerkin method for nonlinear convection diffusion problems
... The outline of this paper is as follows. In Section , we present the semi-discrete LDG schemes for nonlinear convection-diffusion problems. In Section , we state the main proofs of our theorems. Some ...
20
A fourth order accurate quasi variable mesh compact finite difference scheme for two space dimensional convection diffusion problems
... The work presented in this article is organized in the following manner. In Section , we describe two-dimensional quasi-variable meshes to deal with parallel and normal layer by means of mesh parameters in the x- and ...
13
Star based a Posteriori Error Estimator for Convection Diffusion Problems
... the convection diffusion ...for convection diffusion problem, and we introduced a technique which allowed us to define a new a posteriori error estimator which are equivalent to the energy ...
13
Compact and stable discontinuous Galerkin methods for convection diffusion problems
... 4.3. Choice of parameters in the CDG and CDG2 methods. In contrast to the IP method, CDG is quite robust with respect to the choice of the penalty parameter η. As was already pointed out in [36], the original CDG method ...
21
Difference -Analytical Method Of The One-Dimensional Convection-Diffusion Equation
... Convection-diffusion problems are base at modelling of problems of hydrodynamics and heat-mass transfer ...to problems of approximation of convective terms ...the ...
6
An Upwind Finite Volume Element Method for Nonlinear Convection Diffusion Problem
... [16] M. Feistauer, J. Slavik and P. Stupka, “On the Conver- gence of a Combined Finite Volume-Finite Element Me- thod for Nonlinear Convection-Diffusion Problems,” Nu- merical Methods for Partial ...
7
Isogeometric analysis for singularly perturbed problems in 1-D: error estimates
... 6. Conclusions. In this article we performed the numerical analysis of IGA for one- dimensional reaction-convection-diffusion problems with two small parameters. We estab- lished that if the knot ...
25
Effect of Thermal Conductivity on Mhd Heat and Mass Transfer: Flow Past an Infinite Vertical Plate with Soret and Dufour Effects
... mixed convection stagnation point flow on an isothermal vertical plate in a porous ...thermal diffusion and diffusion-thermo effects on combined heat and mass transfer on mixed convection ...
11
Neumann-Type A Posteriori Error Estimation For Steady Convection-Diffusion Equation
... of convection-diffusion equation yields inaccurate, oscillatory solutions near boundary layers in convection dominated flows and, if the diffusion parameter 𝜖 is decreased without proportional ...
8
Optimal Convergence Analysis for Convection Dominated Diffusion Problems
... In classical mixed finite element method, the choice of the finite element approximating spaces is restricted by the im- position of the LBB consistency condition. The method of H 1 -Galerkin mixed finite element method ...
5
Adaptive Finite Element Method for Steady Convection Diffusion Equation
... of convection-dominated problem, the standard Galerkin approximation of Equation ...artificial diffusion along streamlines. The Streamline-Diffusion Finite Element Method (SDFEM) [1]-[3] stabilizes a ...
12
Gyrostatic extensions of the Howard-Krishnamurti model of thermal convection with shear
... Moving beyond thermal convection, other hydrodynamic problems lend themselves to the coupled gyrostats ap- proach. For instance, a hierarchy of low-order models for the barotropic, quasigeostrophic ...
9
A local projection stabilization finite element method with nonlinear crosswind diffusion for convection-diffusion-reaction equations
... profile but they can be still observed inside the computational domain. For this value of β, the outflow profile does not differ too much from the outflow profile in Fig. 2, top right. However, inside the computational ...
43
Diffusion and convection of gaseous and fine particulate from a chimney
... both diffusion and convection on the steady state ground concentration of particulate are ...of diffusion to convection, and λ, the nondimension- alised surface mass transfer ...
27
Dimensioning and Calibration of a mathematical model : Case of the Convection model, Constant coefficient diffusion and Dissipation and source term (Republic of Congo)
... This work has focused on the careful analysis of the solution according to the Adomian decomposition of the Convection Equation, Diffusion and Dissipation equation with constant and term coefficient (J. ...
9
Existence of reaction diffusion convection waves in unbounded strips
... There is a principal difference between vertically propagating fronts and fronts propa- gating in any other direction. In the first case, if the Rayleigh number is su ffi ciently small, then there is no convection. ...
25