NDLI: A refined high-order global-local theory for finite element bending and vibration analyses of laminated composite beams

Content Provider	Springer Nature Link
Author	Lezgy Nazargah, M. Shariyat, M. Beheshti Aval, S. B.
Copyright Year	2010
Abstract	A refined high-order global-local laminated/sandwich beam theory is developed that satisfies all the kinematic and stress continuity conditions at the layer interfaces and considers effects of the transverse normal stress and transverse flexibility, e.g. for beams with soft cores or drastic material properties changes. The global displacement components, described by polynomial or combinations of polynomial and exponential expressions, are superposed on local ones chosen based on the layerwise or discrete-layer concepts. Furthermore, the non-zero conditions of the shear and normal tractions of the upper and lower surfaces of the beam may also be enforced. In the present C1-continuous shear locking-free finite element model, the number of unknowns is independent of the number of layers. Comparison of present bending and vibration results for thin and thick beams with results of the three-dimensional theory of elasticity reveals efficiency of the present method. Moreover, the proposed model is computationally economic and has a high convergence rate.
Starting Page	219
Ending Page	242
Page Count	24
File Format	PDF
ISSN	00015970
Journal	Acta Mechanica
Volume Number	217
Issue Number	3-4
e-ISSN	16196937
Language	English
Publisher	Springer Vienna
Publisher Date	2010-10-26
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Classical Continuum Physics Vibration, Dynamical Systems, Control Engineering Thermodynamics, Heat and Mass Transfer Theoretical and Applied Mechanics Continuum Mechanics and Mechanics of Materials Structural Mechanics
Content Type	Text
Resource Type	Article
Subject	Mechanical Engineering Computational Mechanics

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