Dynamic analysis of helicoidal bars with non-circular cross-sections via mixed FEM

Nihal Eratli*, Murat Yilmaz, Kutlu Darilmaz, Mehmet H. Omurtag

*Bu çalışma için yazışmadan sorumlu yazar

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15 Atıf (Scopus)

Özet

One of the objectives of this study is to implement the direct calculation of the torsional moment of inertia for non-circular cross-sections, which is based on the St. Venant torsion formulation and the finite element method. Recently the proposed method provides a unique calculation of the torsional rigidity of simply and multiply connected cross-sections. Next, free vibration analyses of cylindrical and non-cylindrical helices with non-circular cross-sections are solved by a curved two-nodded mixed finite element based on the Timoshenko beam theory. Some thin-thick closed or open sections are handled and the natural frequencies of cylindrical and non-cylindrical helices are compared with the literature and the commercial finite element program SAP2000.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)221-238
Sayfa sayısı18
DergiStructural Engineering and Mechanics
Hacim57
Basın numarası2
DOI'lar
Yayın durumuYayınlandı - 25 Oca 2016

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Publisher Copyright:
Copyright © 2016 Techno-Press, Ltd.

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