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Comparison of a Finite Element Method and a Finite Volume Method for Flow on General Grids in 3DNormal access

Authors: H. Hægland, I. Aavatsmark, C. Guichard, R. Masson and R. Kaufmann
Event name: ECMOR XIII - 13th European Conference on the Mathematics of Oil Recovery
Session: Grid Generation and Discretization Schemes
Publication date: 10 September 2012
DOI: 10.3997/2214-4609.20143222
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.8Mb )
Price: € 20

Summary:
We compare the recently developed Vertex Approximate Gradient (VAG) scheme developed in [R. Eymard et al., ESAIM: Mathematical Modelling and Numerical Analysis, 46(2), 2012] and the multipoint flux approximations (MPFA) O- and L-methods on 3D irregular meshes. It is found that the VAG scheme converges for a wider range of problems than the MPFA methods, however when the MPFA-methods converge, the convergence rate in flux is better than for the VAG method.


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