Abstract
Recent results prove that Nédélec edge elements do not achieve optimal rate of approximation on general quadrilateral meshes. In particular, lowest order edge elements provide stable but non-convergent approximation of Maxwell's eigenvalues. In this paper we analyze a modification of standard edge element that restores the optimality of the convergence. This modification is based on a projection technique that can be interpreted as a reduced integration procedure. © World Scientific Publishing Company.
Original language | English (US) |
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Pages (from-to) | 265-273 |
Number of pages | 9 |
Journal | Mathematical Models and Methods in Applied Sciences |
Volume | 16 |
Issue number | 2 |
DOIs | |
State | Published - Feb 1 2006 |
Externally published | Yes |