04.1 - Aerospace Grade Materials, Structural Analysis, Fatigue and Damage Tolerance
VIBRATION OF COMPOSITE SHELLS OF REVOLUTION USING EQUIVALENT SINGLE LAYER APPROACH
E. Carrera , Politecnico, Italy; V.V. Zozulya, iMex, Ukraine
Shells of revolution are widely used in aviation. Numerical solutions of these structures are very difficult to obtain due to the complex nature of the differential equations governing their static and dynamic behaviour. An approach to solving problems of vibration of composite multiplayer shells of revolution is proposed. The theory and the resulting equations are based on Carrera unified formulation. rnThe resulting equations can be used for vibration analysis and calculation of the stress-strain state, as well as for modeling thin-walled structures used in science, engineering, and technology. The resented results of calculation can be used as reference examples for finite element analysis of higher order composite laminates plates and shells.rnShells of revolution are widely used in aviation. Numerical solutions of these structures are very difficult to obtain due to the complex nature of the differential equations governing their static and dynamic behavior. An approach to solving problems of vibration of composite multilayer shells of revolution is proposed. The theory and the resulting equations are based on Carrera's unified formulation. rnThe resulting equations can be used for vibration analysis and calculation of the stress-strain state, as well as for modeling thin-walled structures used in science, engineering, and technology. The resented results of calculation can be used as reference examples for finite element analysis of higher order composite laminates plates and shells.rnrn