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An estimate of the Babuška–Brezzi inf–sup discrete stability constant for general linear Petrov–Galerkin finite element formulations (an estimate of the Babuška–Brezzi stability constant) by G. Tsamasphyros; S. Markolefas is a Mathematics article available to read on EtoBox.
What is An estimate of the Babuška–Brezzi inf–sup discrete stability constant for general linear Petrov–Galerkin finite element formulations (an estimate of the Babuška–Brezzi stability constant) about?
An a priori lower bound estimate of the Babu s ska-Brezzi (BB) inf-sup discrete stability constant is given for general linear Petrov-Galerkin formulations. The estimate is based on reasonable assumptions regarding a specific auxiliary adjoint problem. The similarities and discrepancies of the presented method, compared to the well known FortinÕs criterion, are also noted. The estimate may be used to obtain numerical verification of the BB condition, under the assumption that the finite element basis functions are almost orthogonal.
Who reads An estimate of the Babuška–Brezzi inf–sup discrete stability constant for general linear Petrov–Galerkin finite element formulations (an estimate of the Babuška–Brezzi stability constant)?
It is typically read by researchers, students, and practitioners in Mathematics.
- Author
- G. Tsamasphyros; S. Markolefas
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0096-3003)
- Published
- 2003
- Language
- EN
- Field
- Mathematics (Physical Sciences)