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| Dynamic Topology Optimization of Rudder Structure Based on Adaptive Growth Method |
| ZHENG Changlong1， DING Xiaohong2， SHEN Hong1， ZHAO Lijuan3 |
| 1. School of Mechanical Engineering， Shanghai Jiao Tong University， Shanghai 200240， China；
2. School of Mechanical Engineering， University of Shanghai for Science and Technology， Shanghai 200093， China； 3. Shanghai Yuntian United Development Co.， Ltd.， Shanghai 201109， China |
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Abstract The rudder structure has a significant influence on the dynamic performance of flying vehicles in hypersonic flight, and natural frequencies of the rudder structure is one of the most important evaluation indexes. Based on the basic theory and method of structural bionic topology optimization design, the bionic topology optimization design of rudder structure stiffened with stiffeners is studied. The results show that the bionic topology optimization can quickly obtain a clear skeleton layout. Compared with the initial rudder design scheme, the optimized skeleton layout can reduce the weight of the structure by 21.5% while increasing the first-order natural frequency of the rudder structure by 11%, which validates the efficiency of the bionic topology optimization design of the rudder skeleton design.
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Received: 01 September 2020
Published: 21 June 2021
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2021, Vol. 4 
