Static, Modal and Transient Dynamic Analysis of Laminated Composite Plates with Holes

K. Maithry*, B.D.V. Chandra Mohan Rao**
* PG Student, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, Telangana, India.
** Professor, Department of Civil Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad, Telangan, India.
Periodicity:December - February'2016
DOI : https://doi.org/10.26634/jce.6.1.3749

Abstract

The use of laminated composites has been increasing day-by-day in various fields of engineering. Laminated composite plates are quite often subjected to dynamic loads and hence it is vital to study the dynamic behavior of such structures. Structural performance of these composite plates need to be evaluated properly, when they are subjected to dynamic loads. The behaviour of laminated composite plates are affected by excessive vibrations, higher displacements and accelerations which may severely deteriorate the structural performance, when they are subjected to dynamic loads such as impulsive loads. So, there is a need to find out a fiber orientation, that produces least dynamic response parameters. Hence, the purpose of this research work is to investigate the dynamic response of the laminated composite plates subjected to excitations, varying arbitrarily with time and to suggest a robust fiber orientation. Laminates may be provided with holes to cater for different purposes in various streams of engineering. Static, Modal and Transient dynamic analysis of laminated composite plates, simply supported at all the edges has been carried out in this study. Laminated composite plates with holes at different positions are investigated for different fiber orientations by considering two types of loadings i.e., Triangular impulsive loading and Rectangular impulsive loading. This part of the research has been carried out using finite element software ANSYS 13.0.

Keywords

Laminated Composite Plates, Dynamic Loads, Modal Analysis, Fiber Orientation.

How to Cite this Article?

Maithry,K., and Rao,C,M,B.D.V. (2016). Static, Modal and Transient Dynamic Analysis of Laminated Composite Plates with Holes. i-manager’s Journal on Civil Engineering, 6(1), 40-47. https://doi.org/10.26634/jce.6.1.3749

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