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Flexural-torsional vibration of open-section composite beams with shear deformation. (English) Zbl 1022.74014

Summary: The paper presents the analysis of natural frequency of thin-walled open-section composite beams. Vlasov’s classical theory of thin-walled beams is modified to include both the transverse shear and restrained warping induced shear deformations. A simplified, approximate solution is also presented, in which the effect of shear deformation is considered by applying the Föppl’s theorem.

MSC:

74H45 Vibrations in dynamical problems in solid mechanics
74K10 Rods (beams, columns, shafts, arches, rings, etc.)
74E30 Composite and mixture properties
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