To provide a vibration noise reduction analyzer and analysis method for a vehicular panel component, capable of specifying a portion of reducing the weight of a vehicle body in order to reduce vibration noise of a vehicular panel component.SOLUTION: The present invention includes: acquiring a vehicle body model 200 (13); setting a plurality of section areas at the vehicle body model 200 (15); setting a vibration noise reduction object panel component model (17); selecting a vibration mode of the vibration noise reduction object panel component model and a peak frequency of equivalent radiation power by vibration analysis of the vehicle body model 200 (19); changing the weight of one or the plurality of section areas and acquiring the peak frequency of equivalent radiation power of the vibration noise reduction object panel component model (21); calculating the contribution degree of the weight of each section area to the peak frequency of the acquired equivalent radiation power (S23); and specifying a portion of reducing the weight of the vehicle body in order to reduce vibration noise from the panel component of the vehicle (25).SELECTED DRAWING: Figure 1

    【課題】自動車のパネル部品の振動騒音を低減させるために車体を軽量化する部位を特定する自動車のパネル部品の振動騒音低減解析装置及び解析方法を提供する。【解決手段】本発明は、車体モデル200を取得し(13)、車体モデル200に複数の区分領域を設定し(15)、振動騒音低減対象パネル部品モデルを設定し(17)、車体モデル200の振動解析により振動騒音低減対象パネル部品モデルの振動モードと等価放射パワーのピーク周波数を選定し(19)、一つ又は複数の区分領域の重量を変更して振動騒音低減対象パネル部品モデルの等価放射パワーのピーク周波数を取得し(21)、取得した等価放射パワーのピーク周波数に対する各区分領域の重量の寄与度を算出し(S23)、各区分領域の重量の寄与度に基づいて、自動車のパネル部品からの振動騒音を低減するために車体を軽量化する部位を特定する(25)、ものである。【選択図】 図1


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    Titel :

    VIBRATION NOISE REDUCTION ANALYZER AND ANALYSIS METHOD FOR VEHICULAR PANEL COMPONENT


    Weitere Titelangaben:

    自動車のパネル部品の振動騒音低減解析装置及び解析方法


    Beteiligte:
    NAKAGAWA KOICHI (Autor:in) / SAITO TAKANOBU (Autor:in) / SHIOZAKI TAKESHI (Autor:in)

    Erscheinungsdatum :

    2022-01-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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