Convection-dominated problems
A weakly overlapping parallel domain decomposition preconditioner for the finite element solution of convection-dominated problems in three dimensions
... Jimack, P.K. and Nadeem, S.A. (2002) A weakly overlapping parallel domain decomposition preconditioner for the finite element solution of convection- dominated problems in three dimensions. In: ...
10
Solution of Convection-Dominated Problems on Irregular Meshes by Collocated Discrete Least Squares Mesh-Less (CDLSM) Method
... of convection-dominated ...Four convection-dominated benchmark examples are solved using CDLSM method on three dierent sets of nodal distribution with dierent levels of irregularity and the ...
11
Anisotropic adaptivity for the finite element solutions of three-dimensional convection-dominated problems
... Reuse See Attached Takedown If you consider content in White Rose Research Online to be in breach of UK law, please notify us by emailing [email protected] including the URL of the[r] ...
15
New Trends in Multiresolution and Adaptive Methods for Convection-Dominated Problems
... flow problems, weakly unstationary problems or models that exhibit some stiffness due to relaxation processes, ...of problems an explicit time discretization would lead to very small time steps in ...
7
Inherent characteristics of spurious oscillation in the solution of scalar convection dominated problem
... It is important to note that the choice of suitable computational grid to discretize the governing partial differential equations (e.g. by means of polynomial fitting, Taylor series expansion and compact scheme to obtain ...
9
Prediction of spurious oscillation in the solution of unsteady scalar convection dominated problem
... The convection-dominated problems, mainly due to their essentiality in nature, are found in numerous science and engineering ...Such problems include those concerning the computational fluid ...
8
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
Isogeometric analysis for singularly perturbed problems in 1-D: error estimates
... perturbed problems (SPPs) in one- dimension, of reaction-convection-diffusion type, whose solution contains boundary layers; see, ...to convection-dominated problems [3], the method has ...
25
Grid number and expansion factor for the solution of scalar convection dominated equation: Comparison between the method of shooting and that of finite difference
... The choice of suitable computational grid to discretize the governing partial differential equations (e.g. by means of polynomial fitting, Taylor series expansion and compact scheme to obtain approximations to the ...
10
Optimal Convergence Analysis for Convection Dominated Diffusion Problems
... in convection dominated problems, standard upwind finite difference methods are used for problems which artificially smear fronts with excessive numerical dispersion and produce solutions that ...
5
A posteriori error estimates for continuous interior penalty Galerkin approximation of transient convection diffusion optimal control problems
... to convection diffusion problems may have boundary layers with small widths where their gradients change ...solve convection diffusion optimal control problems is generally not ...stationary ...
19
Lagged diffusivity method for the solution of nonlinear diffusion convection problems with finite differences
... diffusion problems for image restoration are also solved using operator split- ting methods ...simpler problems which can be effectively solved with a ...
21
Positive global solutions of nonlocal boundary value problems for the nonlinear convection reaction-diffusion equations
... nique and Schauder estimates; lastly, some results on a positive local solution and the uniqueness of positive solutions for problem (.) are derived. In Section , the discus- sion focuses on the positive global ...
13
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 allows ...
6
Trade Union News from the European Community No 8, Spring 1972
... ''The year 1971," begins the European Commission's annual social survey, published last February, "was dominated by employment problems." On the most immediate and worrying level, Commun[r] ...
24
Exact solutions of free convection flow in rotating magnetohydrodynamics second grade fluid past an infinite vertical plate
... the problems are analyzed through graphs involving emerging parameters such as second grade α, rotation ω, magnetic field M , porosity K, Prandtl number Pr and Grashof number ...
33
Reconstruction of time-dependent coefficients from heat moments
... Prior to this study, the simultaneous identification of the coefficients a(t) and b(t) in the problem (1)–(3) with the additional flux data (4) has been considered in [6]. In this paper, we consider the simultaneous ...
26
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
Recombination strategy adaptation via evolution of gene linkage
... For the very rugged landscapes, both searches are initially dominated by highly linked individuals (long blocks). How- ever after this initial phase the populations on the “random” landscapes show a markedly ...
6
Unsteady free convection on a horizontal circular cylinder in the presence of heat generation and radiation
... Natural convection or free convection occurs due to the differences of temperature which affect the density and thus the relative buoyancy of the fluid (Bejan ...Natural convection can only occur in ...
45