期刊
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
卷 48, 期 6, 页码 579-590出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijmecsci.2006.01.010
关键词
dynamic stability; Timoshenko beam; buckling; rotating; pre-twist; asymmetric
A finite element model is presented to study the static and dynamic stability of a pre-twisted Timoshenko beam having asymmetric acrofoil cross-section subjected to an axial periodic force. The change in the effects of coupling due to centre of flexure distance from the centroid and the shear coefficient on the stability due to the pre-twist angle is considered. It is concluded from the results that the pretwist angle has an influence on the effects of coupling and the shear coefficient. (c) 2006 Elsevier Ltd. All rights reserved.
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