Finite element simulation of coupling acoustic mode in cleaning tub: influence of attached block to the bottom

Ying Liu; Tatsuo Yamabuchi; Toshio Yoshizawa; Sigeki Hirobayashi

doi:10.1117/12.561115

19 March 2004 Finite element simulation of coupling acoustic mode in cleaning tub: influence of attached block to the bottom

Ying Liu, Tatsuo Yamabuchi, Toshio Yoshizawa, Sigeki Hirobayashi

Author Affiliations +

Proceedings Volume 5444, Fourth International Conference on Virtual Reality and Its Applications in Industry; (2004) https://doi.org/10.1117/12.561115
Event: Fourth International Conference On Virtual Reality and Its Applications in Industry, 2003, Tianjin, China

Abstract

This paper proposes a method to analyze numerically the excited modes for a cleaning tub model of small size. The vibration mode is caused by vibration of the cleaning tub that concentrates on the surfaces of tub walls connected with the surfaces of the water. This mode does not contribute to cleaning directly. On the other hand, the sound mode (named E mode) is the state that large sound pressure can be observed at most areas of the cleaning tub. The distribution of E mode is ovoid. The resonance frequency of E mode depends on the size of the cleaning tub, the thickness of the tub walls and the material of tub walls. We have also investigated the influence when the driving vibrator put to the bottom of the cleaning tub is working. It has been found as to E₁₁₁ mode that the sound mode nearby the bottom approaches to the sound mode when the bottom is rigid body.

Citation Download Citation

Ying Liu, Tatsuo Yamabuchi, Toshio Yoshizawa, and Sigeki Hirobayashi "Finite element simulation of coupling acoustic mode in cleaning tub: influence of attached block to the bottom", Proc. SPIE 5444, Fourth International Conference on Virtual Reality and Its Applications in Industry, (19 March 2004); https://doi.org/10.1117/12.561115

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