Results 91 to 100 of about 928,092 (143)
The study of asymptotically fine wrinkling in nonlinear elasticity using a boundary layer analysis
MacLaurin, James +3 more
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FREE VIBRATION OF POLAR ORTHOTROPIC LAMINATED CIRCULAR AND ANNULAR PLATES
Journal of Sound and Vibration, 1998 Summary: The paper deals with the free vibration analysis of polar orthotropic laminated circular and annular plates. The first order shear deformation theory and the variational energy method are employed in the mathematical formulation, and an eight-node isoparametric finite element model in polar co-ordinates is used for finding natural frequencies.
Lin, C.-C., Tseng, C.-S.
exaly +3 more sources
Journal of Vibration and Acoustics, Transactions of the ASME, 2010 Free axisymmetric vibrations of polar orthotropic annular plates of variable thickness resting on a Pasternak-type elastic foundation have been studied based on the classical plate theory. Hamilton’s energy principle has been used to derive the governing differential equation of motion.
Seema Sharma, U. S. Gupta, R. Lal
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Natural frequencies of polar orthotropic annular plates
Journal of Sound and Vibration, 1973 The classical Rayleigh-Ritz method with simple polynomials as admissible functions has been used for obtaining natural frequencies of transversely vibrating polar orthotropic annular plates. The method in conjunction with transformations introduced in the analysis has been found to be quite effective, particularly for large hole sizes.
Ramaiah, GK, Vijayakumar, K
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Axisymmetric parametric resonance of polar orthotropic sandwich annular plates
Composite Structures, 2004Parametric resonance of polar orthotropic sandwich annular plates with a viscoelastic core layer subjected to a periodic uniform radial stress is studied by the finite element method. The axisymmetric discrete layer annular element and Hamilton's principle are employed to derive the finite element equations of motion for a sandwich plate including the ...
Lien-Wen Chen
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Estimation of higher natural frequencies of polar orthotropic annular plates
Journal of Sound and Vibration, 1974 A method based on an assumption that the radial bending moment is zero at a nodal circle is shown to yield accurate estimates of natural frequencies corresponding to higher modes of transversely vibrating polar orthotropic annular plates for various combinations of clamped, simply supported and free edge conditions.
Ramaiah, GK, Vijayakumar, K
openaire +2 more sources