한국항공우주학회지 (Journal of the Korean Society for Aeronautical & Space Sciences)

  • 제43권3호
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  • Pages.195-203
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  • 2015
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  • 1225-1348(pISSN)
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  • 2287-6871(eISSN)
한국항공우주학회 (The Korean Society for Aeronautical and Space Sciences)
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주름이 있는 삼각형 태양돛의 동적해석

Dynamic Response of Triangular Solar Sail with Wrinkles

  • 투고 : 2014.10.27
  • 심사 : 2015.02.06
  • 발행 : 2015.03.01
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⟨ 이전 논문 다음 논문 ⟩

초록

본 논문에서는 유한요소해석을 통하여 삼각형 태양돛에 대하여 동적거동을 연구하였다. 동적해석은 삼각형 태양돛 멤브레인에 인장하중이 가해졌을 때 발생되는 주름해석을 수행한 후, 이 상태에서 인장하중을 고정하고 모달해석을 수행하였다. 해석에서 주름 알고리즘을 채용한 멤브레인 요소법과 쉘 요소법의 두 가지 방법을 사용하였으며, 그 결과들을 수방법론적 관점에서 비교분석하였다. 주름을 고려하지 않은 경우에 대해서도 해석을 수행하여 동적특성 결과를 주름을 고려한 경우와 비교하였으며, 케이블 각도에 따른 영향에 대하여 체계적으로 조사하였다.

In this paper, the dynamic behavior of wrinkled triangular solar sail was studied by finite element analysis. The analysis was proceeded first by performing static wrinkle analysis under tensile corner load on sail membrane, and then performing modal analysis. The membrane element method with wrinkle algorithm and the shell element post-buckling analysis method were used to account for the wrinkle deformation and the results were compared for analysis methods throughly. The comparison was also made to that without wrinkle consideration to investigate the effect of wrinkle deformation on the results. Cases with various loading cable angles were analyzed and the results were systematically examined.

키워드

참고문헌

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