Effect of elastic restraints in the modeling of prestressed piezoelectric energy harvesters

• Published in: Applied Mathematical Modelling Vol. 101; pp. 573 - 585
• Main Authors: Osinaga, S.M., Febbo, M., Machado, S.P.
• Format: Journal Article
• Language: English
• Published: New York Elsevier Inc 01.01.2022; Elsevier BV
• Subjects: Boundary conditions; Dimensionless numbers; Dynamic response; Elastic restraints; Energy harvesting; Equations of motion; Fixed-end beams; Numerical prediction; Piezoelectricity; Prestressed; Stiffness; Energy harvesting; Prestressed; Boundary conditions

•Elastic restraints are preferred to model small gaps at the end of beams.•Experimental results confirm the existence of non-ideal boundary conditions.•Multiple scales method is used as a suitable technique.•The proposed model has shown excellent results. Prestressed piezoelectric energy harvesters...