Abstract
This paper presents the effect of non-homogeneity of the material of plate structures on the vibration frequencies. The non-homogeneity of the plate is characterized by taking a variety of combinations of linear as well as quadratic variations in the Young’s modulus and density of the material. Boundary characteristic orthogonal polynomials using Gram-Schmidt procedure have been employed in the Rayleigh Ritz method. The results have been included for the first few frequencies of the plate element for all the boundary conditions viz. clamped, simply supported and free. Related Tables and graphs are incorporated to show the effect of the non-homogeneity parameter on the frequencies of the vibration of elliptic and circular plates.
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References
Leissa AW (1969) Vibration of plates. NASA SP160. US Government Printing Office, Washington
Rebeiro P (2003) A hierarchical finite element for geometrically non-linear vibration of thick plates. Meccanica 38(1):117–132.
Awrejcewicz J, Krysko VA, Krysko AV (2004) Complex parametric vibrations of flexible rectangular plates. Meccanica 39(3):221–244
Paroni R (2006) The equations of motion of a plate with residual stress. Meccanica 41(1):1–21
Leissa AW (1978) Recent research in plate vibrations: 1973–1976: complicating effects. Shock Vib Dig 10(12):21–35
Leissa AW (1981) Plate vibration research: 1976–1980: complicating effects. Shock Vib Dig 13(10):19–36
Leissa AW (1987) Recent studies in plate vibrations: 1981–1985. Part II: complicating effects. Shock Vib Dig 19(3): 10–24
Tomar JS, Gupta DC, Jain NC (1982) Vibrations of non homogeneous plates of variable thickness. J Acoust Soc Am 72(3):851–855
Laura PAA, Gutierrez RH (1984) Transverse vibrations of orthotropic, non homogeneous rectangular plates. Fibre Sci Tech 133:125–133
Tomar JS, Sharma RK, Gupta DC (1983) Transverse vibrations of non uniform rectangular orthotropic plates. AIAA J 21(7):1050–1053
Tomar JS, Gupta DC, Jain NC (1982) Axisymmetric vibrations of an isotropic elastic nonhomogeneous circular plate of linearly varying thickness. J Sound Vib 85(3):365–370
Pan M (1976) Note on the transverse vibrations of an isotropic circular plate with density varying parabolically. Indian J Theor Phys 24(4):179–182
Mishra DM, Das AK (1971) Free vibrations of an isotropic nonhomogeneous circular plate. AIAA J 9(5):963–964
Bhat RB (1985) Natural frequencies of rectangular plates using characteristic orthogonal polynomials in Rayleigh-Ritz method. J Sound Vib 102:493–499
Bhat RB (1987) Flexural vibration of polygonal plates using characteristic orthogonal polynomials in two variables. J Sound Vib 114:65–71
Singh B, Chakraverty S (1994) Boundary characteristic orthogonal polynomials in numerical approximation. Commun Numer Methods Eng 10:1027–1043
Bhat RB, Chakraverty S, Stiharu I (1998) Reccurence scheme for the generation of two-dimensional boundary characteristic orthogonal polynomials to study vibration of plates. J Sound Vib 216(2):321–327
Singh B, Chakraverty S (1992) On the use of orthogonal polynomials in Rayleigh–Ritz method for the study of transverse vibration of elliptic plates. J Comput Struct 43(3):439–443
Singh B, Chakraverty S (1992) Transverse vibrations of simply supported elliptic and circular plates using boundary characteristic orthogonal polynomials in two variables. J Sound Vib 152(1):149–155
Singh B, Chakraverty S (1991) Transverse vibrations of completely free elliptic and circular plates using orthogonal polynomials in Rayleigh Ritz method. Int J Mech Sci 33(9):741–751
Chakraverty S, Petyt M (1997) Natural frequencies for free vibration of nonhomogeneous elliptic and circular plates using two-dimensional orthogonal polynomials. Appl Math Model 21:399–417
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Chakraverty, S., Jindal, R. & Agarwal, V.K. Effect of non-homogeneity on natural frequencies of vibration of elliptic plates. Meccanica 42, 585–599 (2007). https://doi.org/10.1007/s11012-007-9077-3
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DOI: https://doi.org/10.1007/s11012-007-9077-3