NDLI: Two-dimensional transient dynamic response of orthotropic layered media

Content Provider	Springer Nature Link
Author	Alshaikh, Ibrahim Abu Turhan, Dogan Mengi, Yalcin
Copyright Year	2006
Abstract	In this study, two-dimensional transient dynamic response of orthotropic plane layered media is investigated. The plane multilayered media consist of N different generally orthotropic, homogeneous and linearly elastic layers with different ply angles. In the generally orthotropic layer, representing a ply reinforced by unidirectional fibers with an arbitrary orientation angle, the principal material directions do not coincide with body coordinate axes. The solution is obtained by employing a numerical technique which combines the use of Fourier transform with the method of characteristics. The numerical results are displayed in curves denoting the variations of stress and displacement components with time at different locations. These curves clearly reveal, in wave profiles, the scattering effects caused by the reflections and refractions of waves at the boundaries and at the interfaces of the layers, and also the effects of anisotropy caused by fiber orientation angle. The curves properly predict the sharp variations in the response at the neighborhood of the wave fronts, which shows the power of the numerical technique employed in the study. By suitably adjusting the elastic constants, the results for multilayered media with transversely isotropic layers, or layers with cubic symmetry, or isotropic layers can easily be obtained from the general formulation. Furthermore, solutions for some special cases, including Lamb’s problem for an elastic half-space, are obtained and compared with the available solutions in the literature and very good agreement is found.
Starting Page	639
Ending Page	652
Page Count	14
File Format	PDF
ISSN	00256455
Journal	Meccanica
Volume Number	41
Issue Number	6
e-ISSN	15729648
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-10-31
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Transient Wave propagation Orthotropic material Layered media Mechanics of solids and structures Mechanical Engineering Automotive and Aerospace Engineering, Traffic Civil Engineering Mechanics
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Condensed Matter Physics Mechanical Engineering

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