Structural Engineering and Mechanics

Volume 81, Number 1, 2022, pages 29-37

DOI: 10.12989/sem.2022.81.1.029

Thermoelastic damping in generalized simply supported piezo-thermo-elastic nanobeam

Iqbal Kaur, Parveen Lata and Kulvinder Singh

Abstract

The present paper deals with the application of one dimensional piezoelectric materials in particular piezo-thermoelastic nanobeam. The generalized piezo-thermoelastic theory with two temperature and Euler Bernoulli theory with small scale effects using nonlocal Eringen's theory have been used to form the mathematical model. The ends of nanobeam are considered to be simply supported and at a constant temperature. The mathematical model so formed is solved to obtain the nondimensional expressions for lateral deflection, electric potential, thermal moment, thermoelastic damping and frequency shift. Effect of frequency and nonlocal parameter on the lateral deflection, electric potential, thermal moment with generalized piezothermoelastic theory are represented graphically using the MATLAB software. Comparisons are made with the different theories of thermoelasticity.

Key Words

generalized piezothermoelastic theory; nanobeam; nonlocal; piezo-thermo-elastic; time harmonic frequency; transversely Isotropic

Address

Iqbal Kaur: Government College for Girls, Palwal, Kurukshetra, Haryana, India; Department of Basic and Applied Sciences, Punjabi University, Patiala, Punjab, India Parveen Lata: Department of Basic and Applied Sciences, Punjabi University, Patiala, Punjab, India Kulvinder Singh: UIET, Kurukshetra University, Kurukshetra, India