Funnel noise spectrum and the finite element modal analysis.pdf

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2008-12-11 15:38:13

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jamkun

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Introduction

　 In this paper, the use of spectrum analysis of the funnel structure of the noise power spectrum analysis carried out in light funnel finite element model of modal analysis to determine the funnel is the main side have had a greater resonance radiation on the surface noise. By modifying the structure of the side to change its natural frequency, to reduce the noise radiation. This is a noise analysis and management provides a realistic and practical approach.

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