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Updated: Jul 7, 2026
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Investigating the Potential of Singly Curved Thin Piezoelectric Transducers for Energy Harvesting and Structural Health Monitoring
Published on: November 14, 2025
Unidimensional modeling of multi-layered piezoelectric transducer structures
D J Powell1, G Hayward, R Y Ting
1Weidlinger Assoc. Inc., Los Altos, CA.
Summary
A new modeling approach simplifies the design of multi-layered piezoelectric transducers. This method optimizes performance by analyzing piezoelectric layers, interface materials, and electrical load effects for improved devices.
Area of Science:
- Materials Science
- Electrical Engineering
- Acoustics
Background:
- Multi-layered transducer structures promise enhanced performance, including higher sensitivity and broader bandwidth.
- Designing these complex devices is challenging due to interactions between piezoelectric and interface layers, and electrical loading effects.
Purpose of the Study:
- To develop a comprehensive unidimensional modeling approach for analyzing and optimizing laminated transducer assemblies.
- To investigate the impact of bondline thickness, passive interface layers, and electrical load circuitry on transducer performance.
Main Methods:
- Development of a unidimensional modeling approach for stacked piezoelectric structures.
- Analysis of piezoceramic, piezopolymer, and piezocomposite transducer designs.
- Experimental validation through comparison with theoretical predictions.
Main Results:
- The model accurately predicts the response of multi-layered piezoelectric transducers.
- Demonstrated the influence of interface layer properties and electrical loading on system performance.
- Validated the model's effectiveness across various transducer configurations.
Conclusions:
- Modeling is crucial for the effective design, fabrication, and optimization of complex multi-layered transducer assemblies.
- The developed model facilitates the prediction and enhancement of transducer performance.
- This approach aids in overcoming design challenges associated with piezoelectric devices.
