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A Mixed Finite Element Method for the Biharmonic Problem Using Biorthogonal or Quasi-Biorthogonal Systems

Lamichhane, Bishnu


We consider a finite element method based on biorthogonal or quasi-biorthogonal systems for the biharmonic problem. The method is based on the primal mixed finite element method due to Ciarlet and Raviart for the biharmonic equation. Using different finite element spaces for the stream function and vorticity, this approach leads to a formulation only based on the stream function. We prove optimal a priori estimates for both stream function and vorticity, and present numerical results to...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Journal of Scientific Computing
DOI: 10.1007/s10915-010-9409-7


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