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Dynamic Response of Composite Beams with Partial Shear Interaction Using a Higher-Order Beam Theory
Dynamic response of composite beams with partial interaction is presented using a one-dimensional finite-element model based on a higher-order beam theory. The proposed model takes into account the effect of partial shear interaction between the adjacent layers, as well as the transverse shear deformation of the beam. A third order variation of the axial displacement of the fibers over the beam depth is taken to have a parabolic variation of shear stress, which vanishes at both the top and bottom fibers of the transverse composite surface, as clearly derived on the free and tangentially unloaded surface of the continua. In the proposed finite-element model, there is no need to incorporate any shear correction factor, and the model is free from the shear locking problem. The proposed numerical model is validated by comparing the results with those available in the literature. Many new results are presented, because there are no published results on vibration and buckling of composite beams based on higher-order beam theory.
Dynamic Response of Composite Beams with Partial Shear Interaction Using a Higher-Order Beam Theory
Dynamic response of composite beams with partial interaction is presented using a one-dimensional finite-element model based on a higher-order beam theory. The proposed model takes into account the effect of partial shear interaction between the adjacent layers, as well as the transverse shear deformation of the beam. A third order variation of the axial displacement of the fibers over the beam depth is taken to have a parabolic variation of shear stress, which vanishes at both the top and bottom fibers of the transverse composite surface, as clearly derived on the free and tangentially unloaded surface of the continua. In the proposed finite-element model, there is no need to incorporate any shear correction factor, and the model is free from the shear locking problem. The proposed numerical model is validated by comparing the results with those available in the literature. Many new results are presented, because there are no published results on vibration and buckling of composite beams based on higher-order beam theory.
Dynamic Response of Composite Beams with Partial Shear Interaction Using a Higher-Order Beam Theory
Chakrabarti, A. (author) / Sheikh, A. H. (author) / Griffith, M. (author) / Oehlers, D. J. (author)
Journal of Structural Engineering ; 139 ; 47-56
2012-03-06
102013-01-01 pages
Article (Journal)
Electronic Resource
English
Dynamic Response of Composite Beams with Partial Shear Interaction Using a Higher-Order Beam Theory
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