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P1-iso-P2
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| Alternative names | P2-iso-P1, iso-P2 P1 |
| Orders | \(k=1\) |
| Reference elements | triangle, quadrilateral |
| DOFs | On each vertex: point evaluations On each edge: point evaluations On each face: point evaluations |
| Number of DOFs | triangle: \(6\) quadrilateral: \(9\) |
| Number of DOFs on subentities | vertices: \(1\) edges: \(1\) faces: \(0\) (triangle), \(1\) (quadrilateral) |
| Mapping | identity |
| continuity | Function values are continuous. |
| Categories | Scalar-valued elements |
Implementations
"P1-iso-P2" (triangle, quadrilateral)↓ Show Symfem examples ↓ |
Examples
| triangle order 1 |  (click to view basis functions) |
| quadrilateral order 1 |  (click to view basis functions) |
References
- Bercovier, Michel and Pironneau, Olivier. Error estimates for finite element method solution of the Stokes problem in the primitive variables, Numerische Mathematik 33, 211–224, 1979. [DOI: 10.1007/BF01399555] [BibTeX]
DefElement stats
| Element added | 06 July 2022 |
| Element last updated | 02 August 2022 |