Numerical and experimental investigation on vibration analysis of laminated composite conical shell structures

Abstract

In this paper, a numerical and experimental investigation is performed to examine the vibration responses of laminated composite conical shell structures. The finite element model (FEM) is developed using predefined finite element software ANSYS®. The conical shell structures are fabricated through the conventional hand layup technique. Experimental investigations on free vibration mode are executed to demonstrate the effectiveness of the developed FEM in terms of vibration responses of the composite conical shell structures. Furthermore, parametric studies are also performed to explore the effect of changes in the boundary conditions, length of the conical shell samples and ply orientations on the natural frequencies and mode shapes of the composite conical shell structures.