Abstract
Prediction of the dynamic behaviour of the marine diesel engine is an important theme from the standpoint of ship design. Previous prediction methods, however, are based on an engineer's empirical results or experiences and, for that reason, are not always suited to analysing the new or different types of engines. in this paper, a component mode synthesis method is proposed to predict the dynamic response of the marine diesel engines. The purpose of this method is to solve the eigenvalue problems of large order structural systems in short computer run times. With this advantage, it is possible to develop a more realistic analytical model in accordance with the engine drawing and, therefore, to predict accurately the dynamic response of the marine diesel engine without and, therefore, to predict accurately the dynamic response of the marine diesel engine without experience or know-how. Two examples -- the marine slow -speed diesel engine and its 1/7-scale acrylite model-- are presented as the application of the component mode synthesis. They are shown to be in good agreement with experimental results obtained b the exciter tests.
