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지식기반설계 알고리즘을 이용한 광학구조물 모델의 공기역학 해석

Aerodynamic Analysis of Optical Structure Models Designed with Knowledge-Based Design Algorithms

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주제분류기계공학

초록

The performance of ground-based optical structures is highly sensitive to external environments, such as airflow in open space. In this paper, initial aerodynamic data due to ambient air flow were analyzed in optical models designed through knowledge-based design algorithm, and dynamic data acting on optical structures in turbulent flow with velocity of 50m/s were analyzed to present the initial shape design conditions of the structures. The simulation results showed that the maximum pressure, minimum pressure, and maximum differential pressure acting on the mirror are directly proportional to the sweep angle.

Abstract

The performance of ground-based optical structures is highly sensitive to external environments, such as airflow in open space. In this paper, initial aerodynamic data due to ambient air flow were analyzed in optical models designed through knowledge-based design algorithm, and dynamic data acting on optical structures in turbulent flow with velocity of 50m/s were analyzed to present the initial shape design conditions of the structures. The simulation results showed that the maximum pressure, minimum pressure, and maximum differential pressure acting on the mirror are directly proportional to the sweep angle.

참고문헌 (9)

  1. S. Cooper, "Achieving competitive advantage through knowledge based engineering", A Best Practice Guide in Department of Trade and Industry, ~ (2001)
  2. Jayakiran Reddy, "Knowledge based engineering : Notion, Approaches, and Future Trends", American Journal of Intelligent Systems, 5, pp.1~17 (2015)
  3. G. La Rocca, "Knowledge-Based Engineering Approach to Support Aircraft Multidisciplinary Design and Optimization", Journal of Aircraft, 46, pp.1875~1885 (2009)
  4. C. H. Lee, "Integration Design of Product Development Using Concurrent Engineering Design Technique", J. of Korean Soc. Mech. Technol, 8(3) (2006)
  5. 박창규, "구조최적설계를 위한 설계 및 해석 통합화 방안연구", 한국기계기술학회지, 19(3), pp.333~339 (2017), 한국기계기술학회[DOI]
  6. 김경표, "지식기반설계 시스템을 이용한 광학 구조물의 초기 설계 알고리즘 개발", 한국기계기술학회지, 20(3), pp.312~320 (2018), 한국기계기술학회[DOI]
  7. J. F. Douglas, "Fluid Mechanics", pp.406~449 (2001), Prentice Hall
  8. S. V. Patankar, "Numerical Heat Transfer and Fluid Flow" (1980), Hemisphere Publishing Corporation
  9. D. G. Macmynowski, "Wind loads on ground-based telescopes", Applied Optics, 45(30) (2006)

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