119 ロードノイズ予測手法の開発 : ロードノイズ路面入力のモデル化及びFEモデルへの適用(オーガナイズドセッション : O.S.6 交通騒音/振動の制御(自動車・鉄道・航空機I))

概要

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In this paper how to input from road to tire FE model is developed in order to predict car interior noise. This method has three stages. At the first stage, a certain projection is substituted for complex road. How to decide projection shape is mentioned in this paper. At the second stage, a certain signal is identified as input from the projection to tire and the response by the projection can be calculated with tire FE model. At the last step, the responses are synthesised in proportion to number of projections contained in an object road. Thus responses of tire on various roads can be calculated.
2001-06-05