Numerical Linear Algebra Workshop , 2011-05-04

Title : ( Moving mesh adaptation techniques )

Authors: Ali Reza Soheili ,

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Moving mesh partial differential equations have been widely used in the last two decade for solving differential equations exhibiting large solution variations such as shock waves and boundary layers. In this paper, we will briefly review the moving mesh techniques for one and two dimensional problems with finite difference. we have applied a dynamic adaptive finite difference method for solving time-dependent differential equations . The mesh velocities are governed by an equation in which a relaxation time is employed to move nodes in such a way that they remain concentrated in regions of rapid variation of the solution. A numerical example involving a blow-up problem shows the advantage of using a variable relaxation time over a fixed one.


, Moving mesh method, time dependent PDE, adaptation, blow-up problem, relaxation time
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author = {Soheili, Ali Reza},
title = {Moving mesh adaptation techniques},
booktitle = {Numerical Linear Algebra Workshop},
year = {2011},
location = {کرمان, IRAN},
keywords = {Moving mesh method; time dependent PDE; adaptation; blow-up problem; relaxation time},


%0 Conference Proceedings
%T Moving mesh adaptation techniques
%A Soheili, Ali Reza
%J Numerical Linear Algebra Workshop
%D 2011