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Higher order hierarchical curved hexahedral vector finite elements for electromagnetic modeling
IEEE transactions on microwave theory and techniques
A novel higher order finite-element technique based on generalized curvilinear hexahedra with hierarchical curl-conforming polynomial vector basis functions is proposed for microwave modeling. The finite elements are implemented for geometrical orders from 1 to 4 and field-approximation orders from 1 to 10 in the same Galerkin-type finite-element method and applied to eigenvalue analysis of arbitrary electromagnetic cavities. Individual curved hexahedra in the model can be as large asdoi:10.1109/tmtt.2003.808680 fatcat:jjcheg5tnfaf5hgshu46gcs6xu