Journal ArticleDOI
Numerical solution of reactive-diffusive systems
TLDR
In this paper, four time linearization techniques and two operator-splitting algorithms have been employed to study the propagation of a one-dimensional wave governed by a reaction-diffusion equation.Abstract:
Four time linearization techniques and two operator-splitting algorithms have been employed to study the propagation of a one-dimensional wave governed by a reaction-diffusion equation. Comparisons amongst the methods are shown in terms of the L 2-norm error and computed wave speeds. The calculations have been performed with different numerical grids in order to determine the effects of the temporal and spatial step sizes on the accuracy. It is shown that a time linearization procedure with a second-order accurate temporal approximation and a fourth-order accurate spatial discretization yields the most accurate results. The numerical calculations are compared with those reported in Parts 1 and 2. It is concluded that the most accurate time linearization method described in this paper offers a great promise for the computation of multi-dimensional reaction-diffusion equations.read more
Citations
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Journal ArticleDOI
Nonstandard Finite Difference Schemes for Differential Equations
TL;DR: This paper gives an introduction to nonstandard finite difference methods useful for the construction of discrete models of differential equations when numerical solutions are required.
Numerical solution partial differential equations in science and engineering
Leon Lapidus,George F. Pinder +1 more
TL;DR: In this paper, the equations of differentielles and lineaires are described in terms of a reference record created on 2005-11-18, modified on 2016-08-08.
Journal ArticleDOI
Asymptotic behavior of solutions for finite-difference equations of reaction-diffusion
TL;DR: In this paper, the method of upper-lower solutions and the associated existence-comparison theorem for continuous reaction-diffusion equations are extended to a finite-difference system which is a discrete version of the continuous problem of either parabolic type or elliptic type under appropriate boundary condition.
Journal ArticleDOI
Hermitian operator methods for reaction‐diffusion equations
TL;DR: A variety of time-linearization, quasilinearization, operator-splitting, and implicit techniques which use compact or Hermitian operators has been developed for and applied to one-dimensional reaction-diffusion equations as mentioned in this paper.
References
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Journal ArticleDOI
Difference Methods for Initial-Value Problems.
Difference methods for initial-value problems
Robert D. Richtmyer,K. W. Morton +1 more
TL;DR: In this article, differentielles and stabilite were used for differentiable transport in the context of transfert de chaleur and ondes Reference Record created on 2005-11-18, modified on 2016-08-08
Journal ArticleDOI
A practical method for numerical evaluation of solutions of partial differential equations of the heat-conduction type
TL;DR: In this paper, the authors present methods of evaluating numerical solutions of the non-linear partial differential equation to the boundary conditions A, k, q are known constants, where q is the rate of heat generation.