A Ninth-Order Convergent Method for Solving the Steady State Reaction–Diffusion Model

The paper deals with a steady state version of a nonlocal nonlinear parabolic problem defined on a bounded polygonal domain. The nonlocal term involved in the strong formulation essentially increases the complexity of the problem and the necessary total computational work. The nonlinear weak formula...

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Bibliographic Details
Published in:Computational mathematics and modeling 2015-10, Vol.26 (4), p.593-603
Main Authors: Srivastava, Akanksha, Kumar, Manoj, Todorov, Todor Dimitrov
Format: Article
Language:English
Subjects:
Applications of Mathematics
Approximation
Computation
Computational Mathematics and Numerical Analysis
Convergence
Iterative methods
Mathematical analysis
Mathematical Modeling and Industrial Mathematics
Mathematical models
Mathematics
Mathematics and Statistics
Nonlinearity
Optimization
Steady state
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Summary:The paper deals with a steady state version of a nonlocal nonlinear parabolic problem defined on a bounded polygonal domain. The nonlocal term involved in the strong formulation essentially increases the complexity of the problem and the necessary total computational work. The nonlinear weak formulation of the problem is reduced to a linear one suitable for applications of Newtonian type iterative methods. A discrete problem is obtained by the FEM. A fast and stable iterative method with ninth-order of convergence is applied for solving the discrete problem. The iterative algorithm is described by a pseudo-code. The method is computer implemented and the approximate solutions are presented graphically.
ISSN:1046-283X
1573-837X
DOI:10.1007/s10598-015-9296-8