Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : October 15, 2018 - October 16, 2018
We have considered structure of large generator by parametric optimization for weight saving and stiffness improvement until now. However, the effect was often small because drastic improvement is generally difficult by parametric optimization. Therefore, we're studying reinforcement structure of generator using topology optimization which is non-parametric optimization. This paper shows a result of finding structure of bearing bracket whose eigen frequency exceeds 35 Hz by topology optimization. In addition, we carried out modal tests on conventional bearing bracket and optimized bearing bracket, and clarified eigen frequency improvement effect. We prove efficacy of topology optimization in design of large generators.
