The Finite Element Technique for Predicting the Natural Frequencies, Mode Shapes and Damping Values of Filamentary Composite Plates

Lin Dun-xiang; Ni Rong-gen

Volume 7 Issue 2

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Article Navigation > Applied Mathematics and Mechanics > 1986 > 7(2): 181-196

Lin Dun-xiang, Ni Rong-gen. The Finite Element Technique for Predicting the Natural Frequencies, Mode Shapes and Damping Values of Filamentary Composite Plates[J]. Applied Mathematics and Mechanics, 1986, 7(2): 181-196.

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The Finite Element Technique for Predicting the Natural Frequencies, Mode Shapes and Damping Values of Filamentary Composite Plates

Lin Dun-xiang¹,
Ni Rong-gen²

1.
Shanxi Institute of Mechanical Engineering, Xi'an;
2.
Beijing Institute of Aeronautical Materials, Beijing

Received Date: 1983-05-27
Publish Date: 1986-02-15

Abstract

Abstract

This article presents the numerical method for predicting the natural frequencies, mode shapes and damping values of filamentary composite plates. This method is based on finite element technique, using damped element and allowing transverse shear deformation. For the example of this technique, the theoretical results comparing.with experimental values of carbon fibre and glass fibre reinforced plastics plates(mid-plane symmetric) are provided. The dynamic properties of these laminates are discussed. Finally, a simple graphic technique to estimate the natural frequencies and damping values is suggested.

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References(15)

References

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