Title :
Innovative class of curvilinear tetrahedral elements
Author :
Martini, E. ; Selleri, S.
Author_Institution :
Dept. of Electron. & Telecommun., Florence Univ., Italy
fDate :
4/26/2001 12:00:00 AM
Abstract :
An innovative class of curvilinear tetrahedral elements, based on rational Bezier volumes, is presented. The accuracy and effectiveness of this approach are investigated in a finite element framework and compared with those achieved with straight and conventional curvilinear elements.
Keywords :
computational complexity; electromagnetic field theory; electromagnetic fields; finite element analysis; polynomials; computational complexity; conventional curvilinear elements; curvilinear tetrahedral elements; degrees of freedom; electromagnetic fields computation; finite element framework; geometric approximation error; higher-order basis functions; mapping; numerical methods; rational Bezier volumes; rational polynomial functions; straight elements; tetrahedral elements; traditional polynomial mapping;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20010397
