A dual finite element complex on the barycentric refinement
A dual finite element complex on the barycentric refinement
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重心细化的双有限元复形
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通讯作者:
G. Lorenzo
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作者:
S. Balari;G. Lorenzo
A simplicial mesh on an oriented two-dimensional surface gives rise to a complex X • of finite element spaces centered on divergence conforming Raviart–Thomas vector fields and naturally isomorphic to the simplicial cochain complex. On the barycentric refinement of such a mesh, we construct finite element spaces forming a complex Y • , centered around curl conforming vector fields, naturally isomorphic to the simplicial chain complex on the original mesh and such that Y 2 − i is in L 2 duality with X i . In terms of differential forms this provides a finite element analogue of Hodge duality. To cite this article: A. Buffa, S.H. Christiansen, C. R. Acad. Sci. Paris, Ser. I 340 (2005).