Analysis of damped composite sandwich plates using plate bending elements with substitute shear strain fields based on Reddy's higher order theory
Nayak, A.K., Shenoi, R.A. and Moy, S.S.J. (2002) Analysis of damped composite sandwich plates using plate bending elements with substitute shear strain fields based on Reddy's higher order theory. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 216, (5), 591-606. (doi:10.1243/0954406021525377).
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Two new C0 assumed strain finite element formulations of Reddy's higher-order theory are used to determine the natural frequencies and loss factors of layered anisotropic composite and sandwich plates. Material properties typical of fibre polyester resins for the skin and HEREX C70 PVC foam damping materials for cores are used to show the parametric effects of plate aspect ratio, length-thickness ratio on natural frequencies and loss factors.
A consistent mass matrix is adopted in the present formulation. Both frequency-independent and frequency-dependent damping of viscoelastic materials are considered. The developed elements are free from spurious zero energy modes due to the assumed strain approach.
|Keywords:||damping, composite sandwich plates, assumed strain approach, higher order theory|
|Subjects:||T Technology > TJ Mechanical engineering and machinery
Q Science > QA Mathematics
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences
University Structure - Pre August 2011 > School of Civil Engineering and the Environment
|Date Deposited:||17 Mar 2006|
|Last Modified:||04 Jun 2013 01:07|
|Contact Email Address:||email@example.com|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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