Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Approximate Multi-Objective Optimization of Scroll Compressor Lower Frame Considering the Axial Load

축하중을 고려한 스크롤 압축기 하부 프레임의 최적설계

  • Kim, JungHwan (Department of Mechanical Engineering, Graduate School of Yonsei University) ;
  • Lee, Jongsoo (School of Mechanical Engineering, Yonsei University)
  • Received : 2014.12.23
  • Accepted : 2015.04.03
  • Published : 2015.06.15
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Abstract

In this research, a multi-objective optimal design of a scroll compressor lower frame was approximated, and the design parameters of the lower frame were selected. The sensitivity of the design parameters was induced through a parameter analysis, and the thickness was determined to be the most sensitive parameter to stress and deflection. All of the design parameters regarding the mass are sensitive factors. It was formulated for the problem about stress and deflection to be caused by the axial load. The sensitivity of the design variables was determined using an orthogonal array for the parameter analysis. Using the central composite and D-optimal designs, a second polynomial approximation of the objective and constraint functions was formulated and the accuracy was verified through an R-square. These functions were applied to the optimal design program (NSGA-II). Through a CAE analysis, the effectiveness of the central composite and D-optimal designs was determined.

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References

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