Free Vibration Analysis of Multiphase Magneto-Electro-Elastic Composite Conical Shells

J S Srikantamurthy; Anandkumar R Annigeri

doi:10.17485/IJST/v14i18.304

Article

Free Vibration Analysis of Multiphase Magneto-Electro-Elastic Composite Conical Shells

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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v14i18.304

Year: 2021, Volume: 14, Issue: 19, Pages: 1525-1533

Original Article

Free Vibration Analysis of Multiphase Magneto-Electro-Elastic Composite Conical Shells

J S Srikantamurthy^1*, Anandkumar R Annigeri¹

¹Department of Mechanical Engineering, JSS Academy of Technical Education, Affiliated
to Visvesvaraya Technological University, Belagavi, Karnataka, Bangalore, 560060, India.
Tel.: 9886379067

*Corresponding Author
Tel: 9886379067
Email: [email protected]

Received Date:17 February 2021, Accepted Date:13 May 2021, Published Date:26 May 2021

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objectives: In the present article, free vibration of multiphase Magneto-Electro-Elastic (MEE) conical shell having a uniform thickness is examined for Clamped-Free (C-F) boundary condition. Method: The study is carried out using a semi-analytical approach for different volume fractions (Vf ) 0, 0.2, 0.6 and 1.0 of BaTiO3 in BaTiO3-CoFe2O4 smart composite conical shell for three different semi-vertex angles 20o,35o and 50o. The piezoelectric (Pe) and piezomagnetic (Pm) phase on natural frequencies of MEE truncated conical shells are discussed for different circumferential modes. Findings: The parametric study indicates that natural frequency decrease with an increase in Vf of BaTiO3 in magnetoelectro-elastic truncated conical shells. Novelty: Studies on MEE constant thickness truncated conical shell using BaTiO3 and CoFe2O4 as (Pe) & (Pm) smart composite for clamped-free boundary condition to analyse the effect of the frequency with different semi-vertex angle and cone heights. Present commercial FEA software tools are limited to 2 coupling fields. In this research, coupling between 3 fields considered for MEE material. Hence, a computer code is developed to study the influence coupling between electric, elastic and magnetic fields, which can be used for any combinations of boundary conditions and volume fractions.

Keywords: MagnetoElectroElastic (MEE); axisymmetric constant thickness conical shell; Smart Composites; volume fraction; free vibrations; finite element method

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Copyright

© 2021 Srikantamurthy & Annigeri. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Published By Indian Society for Education and Environment (iSee)