Engine Vibration Analysis with Coupling Between Piston-Connecting-Rod Dynamics and Crankshaft Torsional Vibration(Mechanical Systems)
ピストン・コンロッド系の動力学とクランク軸のねじれ振動の連成を考慮したエンジンの振動解析(機械力学,計測,自動制御)

Atsushi KAWAGUCHI, Atsushi KAWAMOTO, Takayuki AOYAMA, Masakatsu KUROISHI, Mizuho INAGAKI
2010 TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C  
This paper deals with corrlputer − based simulation techniques on autonlobile engine vibratiens . In the previous study , we developed an in − house software package called EVAS ( Engine Vibration Analysis Systern) f〔〕r prcdicting engine vibrations under runllillg condition . E >AS 孟 s a flexibLe n ユ ultibody dynai 皿 王 cs so 弖 ver that Gan comprehensively analyze the c [ )upled ph 巳nomena by using its predefined body elements and sevaral types of fol ・ ce elements which express mechanical
more » ... ss mechanical joints such as journal bearings. In this puper , 正 n Qrder to calculate crankshaft t〔〕rsi (mal vibrati {ms more accurately and efficiently , wc propose a new f〔〕rce element of plston connecting − rod sub systenl consideririg the dynamic e ∬ects induced by the elastic deformaLien Qf the crankshaft . The new force element is applied to an in − line 4 cylinder engine model and its effectiveness is discusscd compared with し he experimental res 山 s . Then , using the element , we also invcstigate the vibration transmitting mechanism from the torsional and bending vibrations of the crankshaft to the elastic vibrations of
doi:10.1299/kikaic.76.500 fatcat:lzyuphguvze5hb2sht2qq56k5q