The robustness of straight and curved tetrahedral elements with higher order basis functions is tested against mesh quality with respect to some test cases. Results show not only an overall and expected better performance of higher order basis functions, but also an increased robustness to element distortion.
3D FEM robustness to mesh distortion versus basis functions order / E. Martini; S. Selleri; G. Pelosi. - In: MICROWAVE AND OPTICAL TECHNOLOGY LETTERS. - ISSN 0895-2477. - STAMPA. - 27:(2000), pp. 17-20. [10.1002/1098-2760(20001005)27:1<17::AID-MOP6>3.0.CO;2-U]
3D FEM robustness to mesh distortion versus basis functions order
SELLERI, STEFANO;PELOSI, GIUSEPPE
2000
Abstract
The robustness of straight and curved tetrahedral elements with higher order basis functions is tested against mesh quality with respect to some test cases. Results show not only an overall and expected better performance of higher order basis functions, but also an increased robustness to element distortion.
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