Dynamic analysis of rotating shafts using the absolute nodal coordinate formulation

Autor: Marko K. Matikainen, Babak Bozorgmehri, Vesa-Ville Hurskainen, Aki Mikkola
Rok vydání: 2019
Předmět:
Zdroj: Journal of Sound and Vibration. 453:214-236
ISSN: 0022-460X
DOI: 10.1016/j.jsv.2019.03.022
Popis: A finite-element based absolute nodal coordinate formulation (ANCF) is applied to dynamic analysis of high-speed rotating shafts. To this end, a four-node higher-order ANCF beam element with third-order derivatives in the axial and cross-section directions is studied. Using a number of eigenfrequency, static and dynamic benchmark tests, it is shown that the beam element is capable of capturing complex cross-section deformation modes. It is further shown with dynamic benchmark tests with a flexible shaft that the beam element is accurate also in high-speed applications. Based on the numerical results, it is concluded that the beam element can capture cross-section deformation and is thus suitable for analysis of radial expansion in a rotating shaft.
Databáze: OpenAIRE