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Summary & Details

Structure-Borne Sound Reduction Based on Structural Intensity - Reduction Technique of Structure-Borne Sound of the Bulkhead Rooted in the Engine Vibraion -

振動エネルギー伝搬に基づく固体音低減

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Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20115696

Paper/Info type: Proceedings (Autumn)

No.109-11

Pages: 5-8(Total 4 p)

Date of publication: Oct 2011

Publisher: JSAE

Language: Japanese

Detailed Information

Author(J)	1) 柴田一朗, 2) 松本秀一, 3) 山崎徹
Author(E)	1) Ichiro Shibata, 2) Shuichi Matsumoto, 3) Toru Yamazaki
Affiliation(J)	1) アルテアエンジニアリング, 2) アルテアエンジニアリング, 3) 神奈川大学
Abstract(J)	振動エネルギー伝搬（振動インテンシティ）の観点からの新しい機械構造物の振動騒音低減手法の開発を目指した研究を行っている．本報では，単純化された車体構造有限要素モデルに入力された振動エネルギーがパネル固体音を発生する現象を数値計算により可視化し，固体音低減のパラメータスタディを実施したことを報告する． Translation
Abstract(E)	This paper presents the application results of a new structural design concept based on structural intensity for reducing structure-borne sound of vehicle body structures. The Structural intensity on a simplified vehicle FE model is visualized by RADIOSS numerical analyses. A Parameter study is conducted to manage sound pressure level at driver's head by changing the thickness of a steel plate attached on the bulkhead.

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