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WANG Wen-sheng, XU Sheng-li, CHENG Geng-dong. OPTIMIZATION OF STRUCTURAL DYNAMIC CHARACTERISTICS BASED ON THE REDUCED MODEL[J]. Engineering Mechanics, 2011, 28(12): 45-50,1.
Citation: WANG Wen-sheng, XU Sheng-li, CHENG Geng-dong. OPTIMIZATION OF STRUCTURAL DYNAMIC CHARACTERISTICS BASED ON THE REDUCED MODEL[J]. Engineering Mechanics, 2011, 28(12): 45-50,1.
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OPTIMIZATION OF STRUCTURAL DYNAMIC CHARACTERISTICS BASED ON THE REDUCED MODEL

  • Department of Engineering Mechanics, State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian, Liaoning 116023, China;2. School of Energy and Power Engineering, Dalian University of Technology, Dalian, Liaoning, 116023, China

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  • Received Date: March 23, 2010
  • Revised Date: January 20, 2011
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  • In this paper, a reduced model of a complex structure is obtained though a model reduction method based on deformation modification, then an optimization model based on variable decomposition is established, in which the structural fundamental frequency is maximized. The examples show the validity of this method. The method is compared with the response surface method-based structural optimization approach. The advantage and disadvantage differences of these two models are analyzed briefly.
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