복합재료 그물형 공간 트러스의 점탄성적 비선형 해석

Nonlinear Viscoelastic Analysis of Reticulated Spatial Truss Composed of Composite Materials

  • 한성천 (대원과학대학 토목과) ;
  • 장석윤 (서울시립대학교 토목공학과)
  • 투고 : 2001.07.14
  • 발행 : 2001.12.27

초록

본 연구는 Arc-length method를 이용한 복합재료 공간 구조물의 대변형 거동의 관찰에 관한 것이다. 비선형 평형경로의 각각의 하중단계에서 자동적으로 Arc-length 크기를 변화시켜 하중-변위 관계곡선을 추적할 수 있도록 하였다. 복합재료 공간 트러스의 점탄성 해석은 quasi-elastic 방법을 사용해 탄성해를 구하였다. Micro Mechanical Materials Modeling 방법을 사용하여 탄성계수를 결정하였고 하중조합에 따른 비선형 하중-변위 곡선을 추적하였다. 본 연구의 효과를 검증하기 위하여 그물형 공간 트러스를 다른 방법의 결과들과 비교하였다.

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