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22 June 2004 Laser-scanning vibrometry for the investigation of sound generation and propagation
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Proceedings Volume 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (2004) https://doi.org/10.1117/12.579548
Event: Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 2004, Ancona, Italy
Abstract
The paper describes how with one identical method the surface of a vibrating structure as well as the emitted acoustic sound field in air as well as the internal mechanical stress σ(t) in the vibrating structure can be investigated and visualized. This unique capability opens new possibilities for improving and optimizing the development of effective long-term stable sound transducers with optimized emission characteristics. Furthermore, the method can be used for investigating the internal stress of models of dynamically stressed mechanical structures. The simultaneous visualization of vibrating surfaces, internal stress σ(t) and emitted sound contributes to a better understanding of the behavior of complex dynamically excited structures.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Lothar Zipser and Heinz Franke "Laser-scanning vibrometry for the investigation of sound generation and propagation", Proc. SPIE 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 June 2004); https://doi.org/10.1117/12.579548
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