Dergiler / Gazi University Journal of Science / 2018 / Cilt: 31 - Sayı: 4

Forced Vibration Analysis of Warping Considered Curved Composite Beams Resting on Viscoelastic Foundation

Forced Vibration Analysis of Warping Considered Curved Composite Beams Resting on Viscoelastic Foundation

Akif KUTLU, Nihal ERATLI, Ümit N. ARIBAŞ, Mehmet H. OMURTAG, Merve ERMİŞ

Sayfa
1093–1105
DOI
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Abstract

The forced vibration analysis of warping considered curved composite Timoshenko beamsresting on viscoelastic foundation is investigated via the mixed finite element method. Rockingis considered both for Winkler and Pasternak viscoelastic foundations. Two nodded curvedelement has 12 degrees of freedom. Problems are solved in frequency domain via Laplacetransform and modified Durbin’s algorithm is used for back transformation to time domain.Warping considered average torsional rigidities of the composite cross-sections are calculatednumerically by ANSYS and verified by the literature. After the verification of the algorithms, asbenchmark examples, curved composite beams on rocking considered viscoelastic Pasternakfoundation are solved.