Free vibration analysis of laminates with circular cutout by hybrid-stress finite element

S. Ramakrishna; Koganti M. Rao; N. S. Rao

doi:10.1016/0263-8223(92)90017-7

Free vibration analysis of laminates with circular cutout by hybrid-stress finite element

S. Ramakrishna, Koganti M. Rao, N. S. Rao

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29 Scopus citations

Abstract

The formulation and the development of a computer program for determining the natural frequencies of laminated composite plates with central circular hole are presented using a hybrid-stress finite element. The accuracy of the methodology is checked. The four lowest natural frequencies of a laminate are evaluated by varying a number of parameters, i.e. (i) fibre orientation, (ii) width to thickness ratio, (iii) aspect ratio and (iv) hole size.

Original language	English
Pages (from-to)	177-185
Number of pages	9
Journal	Composite Structures
Volume	21
Issue number	3
DOIs	https://doi.org/10.1016/0263-8223(92)90017-7
State	Published - 1992
Externally published	Yes

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title = "Free vibration analysis of laminates with circular cutout by hybrid-stress finite element",

abstract = "The formulation and the development of a computer program for determining the natural frequencies of laminated composite plates with central circular hole are presented using a hybrid-stress finite element. The accuracy of the methodology is checked. The four lowest natural frequencies of a laminate are evaluated by varying a number of parameters, i.e. (i) fibre orientation, (ii) width to thickness ratio, (iii) aspect ratio and (iv) hole size.",

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N2 - The formulation and the development of a computer program for determining the natural frequencies of laminated composite plates with central circular hole are presented using a hybrid-stress finite element. The accuracy of the methodology is checked. The four lowest natural frequencies of a laminate are evaluated by varying a number of parameters, i.e. (i) fibre orientation, (ii) width to thickness ratio, (iii) aspect ratio and (iv) hole size.

AB - The formulation and the development of a computer program for determining the natural frequencies of laminated composite plates with central circular hole are presented using a hybrid-stress finite element. The accuracy of the methodology is checked. The four lowest natural frequencies of a laminate are evaluated by varying a number of parameters, i.e. (i) fibre orientation, (ii) width to thickness ratio, (iii) aspect ratio and (iv) hole size.

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Free vibration analysis of laminates with circular cutout by hybrid-stress finite element

Abstract

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