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Simulation Des Ondes Acoustiques.pdf

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Preview of Simulation des ondes acoustiques

🔗 Source: hal.science

📊 Size: 259 KB

👤 Author: Bernard Hosten, Michel Castaings, Christophe Bacon

⬇️ Downloads: 201

Summary

The research aims to integrate the knowledge of ultrasound transducers' characteristics, the behavior of anisotropic viscoelastic materials, and interface transmission/reflection issues into a commercial finite element software. The simulation covers the entire non-destructive testing system, from the emitter to the receiver, including propagation in a coupling fluid and guided modes in structures. The key aspects include:

- The use of the finite element method to handle complex geometries and multiple materials.
- The integration of viscoelastic and anisotropic material behavior, with a focus on composite materials.
- The calculation in the frequency domain to accommodate 'bandwidth' excitation and easily introduce viscoelasticity.
- The consideration of interface transmission/reflection issues, including adhesion problems.
- The application of the model to simulate complete non-destructive testing systems for detecting defects in given structures.

The article's keywords are viscoelasticity, composite materials, and acoustics.

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Description

hal-01421804. Finite element simulation of acoustic wave propagation in anisotropic viscoelastic materials.

Technical Information

File Format: PDF
File Size: 259 KB
Pages: 7
Language: FR
Author: Bernard Hosten, Michel Castaings, Christophe Bacon
Total Downloads: 201
Last Updated: 3 weeks ago

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