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

  • 제33권9호
  • /
  • Pages.48-55
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  • 2005
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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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비등방성 멤브레인의 주름 거동 해석

Analysis of Wrinkling Behavior for Anisotropic Membrane

  • 우경식 (충북대학교 구조시스템공학과) ;
  • 남덕현 (충북대학교 구조시스템공학과)
  • 발행 : 2005.09.01
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초록

본 논문에서는 비등방성 멤브레인의 주름 거동을 조사하였다. 해석시 멤브레인에 발생하는 주름은 벌칙매개변수법을 사용하여 물성치를 수정하는 방법으로 하였으며, ABAQUS 내 사용자 서브루틴으로 구현하였다. 모서리에 인장하중이 걸린 사각형 멤브레인 문제에 적용하여 주름 거동을 해석한 결과, 핀의 지름이 미치는 영향은 매우 작으며, 잘라낸 모서리의 길이와 전단계수의 크기에 상당한 영향을 받고 있음을 알 수 있었다.

In this paper, wrinkling behavior for anisotropic membrane was studied. The analyses were done by using membrane elements and the wrinkling was accounted for by the penalty parameter modified material modeling which was implemented to ABAQUS as a user subroutine. The wrinkle model was applied to corner-loaded square membranes in which the effect of the diameter of steel pin, edge cut-off length and the magnitude of shear moduli on the wrinkling was investigated.

키워드

참고문헌

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