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A numerical modeling strategy for passive electro-acoustic transducers.

Christian Henke1

  • 1ATLAS ELEKTRONIK GmbH, Sebaldsbruecker Heerstrasse 235, D-28309 Bremen, Germany.

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|January 22, 2020
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Summary

A new method significantly reduces the computational cost of determining electro-acoustic transducer receiving sensitivity. This technique allows for simulations matching the efficiency of transmitting sensitivity calculations.

Keywords:
Electro-acoustic transducerFinite element postprocessingReceiving sensitivity

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Area of Science:

  • Acoustics
  • Transducer technology
  • Numerical analysis

Background:

  • Determining the directivity-dependent receiving sensitivity of electro-acoustic transducers is computationally intensive.
  • Existing methods require significantly more computational effort compared to calculating transmitting sensitivity.

Purpose of the Study:

  • To present an alternative numerical/analytical method for calculating directivity-dependent receiving sensitivity.
  • To reduce the computational burden associated with receiving sensitivity simulations.

Main Methods:

  • Utilized the integral representation of the problem.
  • Leveraged the existence of resolvent kernels.
  • Developed a postprocessing approach.

Main Results:

  • The derived postprocessing approach enables simulations of receiving sensitivity.
  • The computational effort is reduced to the level required for transmitting sensitivity calculations.
  • The method is applicable to general electro-acoustic transducers.

Conclusions:

  • The proposed method offers a computationally efficient alternative for analyzing transducer receiving sensitivity.
  • This advancement facilitates more accessible and widespread simulation of transducer performance.
  • The technique effectively bridges the computational gap between transmitting and receiving sensitivity analysis.