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Related Experiment Video

Updated: Jul 10, 2026

$Fourier-Based Diffraction Analysis of Live Caenorhabditis elegans$

Fourier-Based Diffraction Analysis of Live Caenorhabditis elegans

Published on: September 13, 2017

FEM/BEM analysis of a generalized periodic array.

Pascal Ventura¹, William Steichen

¹TEMEX, 06904 Sophia Antipolis Cedex, France. pascalventura@aol.com

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

|November 21, 2007

Summary

This study introduces a new mixed FEM/BEM model for simulating complex Surface Acoustic Wave (SAW) filter designs. The advanced model accurately captures the behavior of intricate electroacoustic cells, improving SAW filter performance.

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Generation and Coherent Control of Pulsed Quantum Frequency Combs

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$Fourier-Based Diffraction Analysis of Live Caenorhabditis elegans$

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Published on: September 13, 2017

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Area of Science:

Electrical Engineering
Materials Science
Acoustics

Background:

Advanced Surface Acoustic Wave (SAW) filter designs require sophisticated electroacoustic cells like the Hanma-Hunsinger cell.
Traditional single-electrode periodic Finite Element Method/Boundary Element Method (FEM/BEM) models are insufficient for complex cell structures.

Purpose of the Study:

To propose a novel mixed FEM/BEM numerical model for simulating periodic arrays of metallic electrodes.
To enable the accurate simulation of complex elementary cells within SAW devices.

Main Methods:

Development of a mixed Finite Element Method/Boundary Element Method (FEM/BEM) numerical model.
Simulation of periodic arrays of metallic electrodes with complex elementary cells.
Modeling of electrodes that can be connected to active ports, short-circuited, or floating.

Main Results:

The proposed mixed FEM/BEM model successfully simulates complex electroacoustic cells.
The model provides accurate P-matrix parameters for intricate periodic electrode structures.
Demonstrated capability to handle various electrode configurations, including active, short-circuited, and floating states.

Conclusions:

The mixed FEM/BEM approach is essential for accurate modeling of advanced SAW filter designs.
This method overcomes the limitations of simpler models for complex electroacoustic cells.
The developed model enhances the design and simulation of wide bandwidth SAW filters.