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Study of Size Optimization for Skirt Structure of Composite Pressure Vessel

복합재 압력용기의 스커트 치수 최적화 설계 연구

  • Received : 2012.06.26
  • Accepted : 2012.09.19
  • Published : 2013.01.01

Abstract

This study aims to find the optimal skirt dimensions for a composite pressure vessel with a separated dome part. The size optimization for the skirt structure of the composite pressure vessel was conducted using a sub-problem approximation method and batch processing codes programmed using ANSYS Parametric Design Language (APDL). The thickness and length of the skirt part were selected as design variables for the optimum analysis. The objective function and constraints were chosen as the weight and the displacement of the skirt part, respectively. The numerical results showed that the weight of the skirt of a composite pressure vessel with a separated dome part could be reduced by a maximum of 4.38% through size optimization analysis of the skirt structure.

Keywords

Composite Pressure Vessel;Optimum Design;Size Optimization;Sub-problem Approximation Method;Skirt Structure

Acknowledgement

Grant : 돔 분리형 필라멘트 와인딩 복합재 압력용기의 체결부 설계 및 파손 매카니즘 연구

Supported by : 국방과학연구소

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