Browse Publications Technical Papers 2006-32-0083
2006-11-13

Engine Mount Characteristics Identification of Large Outboard Motor Using Experimental Modal Analysis 2006-32-0083

The method was established to identify the dynamic stiffness of the engine mount using modal parameters acquired from experimental modal analysis. Vibration tests were conducted using actual large outboard motor the BF225 (165 kW), and the dynamic stiffness of the mounts was identified. The results show that this method can identify the engine mount dynamic stiffness more adequately than the conventional method, even when the engine mounts are subjected to loads corresponding to thrust force or even in the case that the stiffness of the parts supporting an outboard motor is low.

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