Topology Optimization Method Research on Hollow Wide-Chord Fan Blade of a High-bypass Turbofan Engine

摘要：

　　In order to realize lightweight design of a high-bypass turbofan engine,topology optimization of inside reinforcement structure on a wide-chord fan blade was carried out regarding mixed load conditions as static strength,vibration and bird-strike.Without changing the leaf shape,relationship of performance with fan blade structure was analyzed with decomposed load conditions.Topology optimization design was carried out according to the simplified mechanical model.Reinforcement structures layout of hollow fan blade was reconstructed according to the major load transfer paths of optimization result.Performance in three load conditions of optimized fan blade was compared with original structure.Result shown that the new fan blade can realize lightweight as well as improving mechanical properties.

关键词： Topology optimization Hollow fan blade Mixed load conditions Simplified mechanical model Fork-shaped reinforcement structure

作者: Jin MENG Lianfang Liao Di Li Yi Cao Lingyuan Yang Yunyong Chen

作者单位: R&D Centre Dept. of Compression System,AVIC COMMERICAL AIRCRAFT ENGINE CO.,LTD.,Shanghai,China,201108

会议类型: 国际会议

会议名称: 2014 Asia-Pacific International Symposium on Aerospace Technology(2014亚太航空航天技术学术会议)

会议地点: 上海

会议语种:英文

页码: 1-6

在线出版日期: 2014-09-24（万方平台首次上网日期，不代表论文的发表时间）