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Proceedings ArticleDOI

Quadratic Finite Volume Element Methods Based on Optimal Stress Points for Solving One-Dimensional Parabolic Problems

About: The article was published on 2015-09-26 and is currently open access. It has received None citations till now. The article focuses on the topics: Mixed finite element method & Discontinuous Galerkin method.
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01 Jan 1997

29 citations


"Quadratic Finite Volume Element Met..." refers background or methods in this paper

  • ...0 ( ) ( , ), ( , ) ( , ) (0, ] ( , ) ( , ) 0, 0, (0, ] ( ,0) ( ), ( , ) u u p f x t x t a b T t dx x u b t u a t t T x u x u x x a b                         (1)...

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  • ...Then the Crank-Nicolson Fully discrete finite volume element format that Corresponding to problem (1) is request ( 1,2, , ), n h h u U n J    such that 1/2 1/2...

    [...]

  • ...b t t a a u v pu v dx   (3) So the solution of the equations (2) is called generalized solution of the problem(1) let a division mesh h T for [ , ] I a b  ,Nodes are 0 1 2 ....

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  • ...t u u u u t x        The associated weak formulation of problem (1) is: find 1 ( , ) : ( )(0 ), E u u t U H I t T       such that...

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  • ...Theorem 1 set u is the solution of the problem (1) and n h u is the solution of Fully discrete finite volume element format (8), then 1)...

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Journal ArticleDOI
TL;DR: A cubic superconvergent finite volume element method based on optimal stress points is presented for one-dimensional elliptic and parabolic equations and it is proved that the method has optimal third order accuracy with respect to H^1 norm and fourth order accuracywith respect to L^2 norm.

19 citations