Free vibration responses of functionally graded spherical shell panels are investigated in the present article. A general mathematical model is developed based on higher order shear deformation theory mid-plane kinematics. The effective material properties are graded in the thickness direction according to a power-law distribution and it varies continuously from metal (bottom surface) to ceramic (top surface). The model is discretized using a nine noded quadrilateral Lagrangian element. A convergence test has been done with different mesh refinement and compared with the available published results. In addition to that the present study includes an ANSYS model check with the developed mathematical model to show the efficacy. New results are computed for different parameters such as volume fraction, thickness ratio, curvature ratio and support conditions which indicates the effect of parametric study on non-dimensional frequency parameters.
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ASME 2013 Gas Turbine India Conference
December 5–6, 2013
Bangalore, Karnataka, India
Conference Sponsors:
- International Gas Turbine Institute
ISBN:
978-0-7918-5616-1
PROCEEDINGS PAPER
Free Vibration Responses of Functionally Graded Spherical Shell Panels Using Finite Element Method
Vishesh Ranjan Kar,
Vishesh Ranjan Kar
National Institute of Technology, Rourkela, OR, India
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Subrata Kumar Panda
Subrata Kumar Panda
National Institute of Technology, Rourkela, OR, India
Search for other works by this author on:
Vishesh Ranjan Kar
National Institute of Technology, Rourkela, OR, India
Subrata Kumar Panda
National Institute of Technology, Rourkela, OR, India
Paper No:
GTINDIA2013-3693, V001T05A014; 6 pages
Published Online:
February 28, 2014
Citation
Kar, VR, & Panda, SK. "Free Vibration Responses of Functionally Graded Spherical Shell Panels Using Finite Element Method." Proceedings of the ASME 2013 Gas Turbine India Conference. ASME 2013 Gas Turbine India Conference. Bangalore, Karnataka, India. December 5–6, 2013. V001T05A014. ASME. https://doi.org/10.1115/GTINDIA2013-3693
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