To provide an automobile body design method, device and program, and an automobile body manufacturing method, for designing an automobile body in which vibration-damping properties of a vibration noise reduction target portion is improved.SOLUTION: In an automobile body design method, a computer is caused to perform the following steps, in order to design an automobile body 100 in which a body part is modified so as to enhance rigidity and vibration-damping properties of a vibration noise reduction target portion are improved: a sensitivity analysis step S1 for performing, on a body part that can be modified so as to enhance rigidity among body parts, sensitivity analysis to determine sensitivity with respect to vibration characteristic to be used for estimation of vibration-damping properties of the vibration noise reduction target portion; and a high-rigidity structure determination step S3 for determining a structure for enhancing rigidity of the body part on the basis of the sensitivity, of the body part, determined by the sensitivity analysis.SELECTED DRAWING: Figure 1
【課題】振動騒音低減対象部位の制振性を向上させた自動車車体を設計する自動車車体設計方法、装置及びプログラム、並びに自動車車体の製造方法を提供する。【解決手段】本発明に係る自動車車体設計方法は、車体部品を剛性を高める構造に変更し、振動騒音低減対象部位の制振性を向上させた自動車車体100を設計するために、コンピュータが以下の各ステップを実行するものであって、車体部品のうち剛性を高める構造に変更可能な車体部品について、振動騒音低減対象部位の制振性の評価に用いる振動特性に対する感度を求める感度解析を行う感度解析ステップS1と、感度解析により車体部品について求めた感度に基づいて、車体部品の剛性を高める構造を決定する高剛性構造決定ステップS3と、を含むものである。【選択図】 図1
AUTOMOBILE BODY DESIGN METHOD, DEVICE AND PROGRAM, AND AUTOMOBILE BODY MANUFACTURING METHOD
自動車車体設計方法、装置及びプログラム、並びに自動車車体の製造方法
2024-08-22
Patent
Electronic Resource
Japanese
AUTOMOBILE BODY DESIGN METHOD, DEVICE AND PROGRAM, AND AUTOMOBILE BODY MANUFACTURING METHOD
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