한국자동차공학회논문집 (Transactions of the Korean Society of Automotive Engineers)

  • 제5권4호
  • /
  • Pages.48-69
  • /
  • 1997
  • /
  • 1225-6382(pISSN)
  • /
  • 2234-0149(eISSN)
한국자동차공학회 (The Korean Society of Automotive Engineers)
권호 표지

복합재료 원통쉘의 진동, 좌굴강도, 충격강도 특성 및 그의 설계최적화에 관한 연구

A Study on the Design Optimization of Composite cylindrical shells with Vibration, Buckling Strength and Impact Strength Characteristics

  • 이영신 (정회원, 충남대학교 기계설계공학과) ;
  • 전병희 (전 충남대학교 대학원, 현 국방과학연구소) ;
  • 오재문 (전 충남대학교 대학원, 현 만도기계(주) 문막사업본부)
  • 발행 : 1997.07.01
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초록

The use of advanced composite materials in many engineering structures has steadily increased during the last decade. Advanced composite materials allow the design engineer to tailor the directional stiffness and the strength of materials as required for the structures. Design variables to the design engineer include multiple material systems. ply orientation, ply thickness, stacking sequence and boundary conditions, in addition to overall structural design parameters. Since the vibration and impact strength of composite cylindrical shell is an important consideration for composite structures design, the reliable prediction method and design methodology should be required. In this study, the optimum design of composite cylindrical shell for maximum natural frequency, buckling strength and impact strength are developed by analytic and numerical method. The effect of parameters such as the various composite material orthotropic properties (CFRP, GFRP, KFRP, Al-CFRP hybrid), the stacking sequences, the shell thickness, and the boundary conditions on structural characteristics are studied extensively.

키워드

참고문헌

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