A multiscale-based approach for composite materials with embedded PZT filaments for energy harvesting

Ahmed E. El-Etriby; Mohamed E. Abdel-Meguid; Tarek M. Hatem; Yehia A. Bahei-El-Din

doi:10.1117/12.2051830

20 March 2014 A multiscale-based approach for composite materials with embedded PZT filaments for energy harvesting

Ahmed E. El-Etriby, Mohamed E. Abdel-Meguid, Tarek M. Hatem, Yehia A. Bahei-El-Din

Proceedings Volume 9058, Behavior and Mechanics of Multifunctional Materials and Composites 2014; 90581K (2014) https://doi.org/10.1117/12.2051830
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2014, San Diego, California, United States

Abstract

Ambient vibrations are major source of wasted energy, exploiting properly such vibration can be converted to valuable energy and harvested to power up devices, i.e. electronic devices. Accordingly, energy harvesting using smart structures with active piezoelectric ceramics has gained wide interest over the past few years as a method for converting such wasted energy. This paper provides numerical and experimental analysis of piezoelectric fiber based composites for energy harvesting applications proposing a multi-scale modeling approach coupled with experimental verification. The multi-scale approach suggested to predict the behavior of piezoelectric fiber-based composites use micromechanical model based on Transformation Field Analysis (TFA) to calculate the overall material properties of electrically active composite structure. Capitalizing on the calculated properties, single-phase analysis of a homogeneous structure is conducted using finite element method. The experimental work approach involves running dynamic tests on piezoelectric fiber-based composites to simulate mechanical vibrations experienced by a subway train floor tiles. Experimental results agree well with the numerical results both for static and dynamic tests.

Citation Download Citation

Ahmed E. El-Etriby, Mohamed E. Abdel-Meguid, Tarek M. Hatem, and Yehia A. Bahei-El-Din "A multiscale-based approach for composite materials with embedded PZT filaments for energy harvesting", Proc. SPIE 9058, Behavior and Mechanics of Multifunctional Materials and Composites 2014, 90581K (20 March 2014); https://doi.org/10.1117/12.2051830

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