A multi-body model of engine system with flexible crankshaft was presented in this paper to analyze the dy- namic behavior of an internal combustion engine. The flexible crankshaft structural dynamics was coupled with...A multi-body model of engine system with flexible crankshaft was presented in this paper to analyze the dy- namic behavior of an internal combustion engine. The flexible crankshaft structural dynamics was coupled with the main bearing hydrodynamic lubrication in this model by a system approach. An application of an 14 engine was given to show this sophisticated simulation model and to predict the loads and the orbit plots in the journal bearings by the dy- namic response of the multi-body engine system with flexible crankshaft. The numerical results show the capabilities and significance of the flexible crankshaft in this system. The objective of the research is to provide the scientific guid- ance for design and maintenance of the internal combustion engine.展开更多
基金Project 50375115 supported by the National Natural Science Foundation of China
文摘A multi-body model of engine system with flexible crankshaft was presented in this paper to analyze the dy- namic behavior of an internal combustion engine. The flexible crankshaft structural dynamics was coupled with the main bearing hydrodynamic lubrication in this model by a system approach. An application of an 14 engine was given to show this sophisticated simulation model and to predict the loads and the orbit plots in the journal bearings by the dy- namic response of the multi-body engine system with flexible crankshaft. The numerical results show the capabilities and significance of the flexible crankshaft in this system. The objective of the research is to provide the scientific guid- ance for design and maintenance of the internal combustion engine.
