항공우주시스템공학회지 (Journal of Aerospace System Engineering)

  • 제16권6호
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  • Pages.99-105
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  • 2022
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  • 1976-6300(pISSN)
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  • 2508-7150(eISSN)
항공우주시스템공학회 (The Society for Aerospace System Engineering)
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3-방향 직물 복합재료 모델링 및 붐 구조물의 거동 연구

A Study on the Modeling for Boom Structural Behaviors of the Triaxial Woven Fabric Composite

  • 변선우 (한국항공대학교 항공우주 및 기계공학부) ;
  • 양지윤 (한국항공대학교 항공우주 및 기계공학부) ;
  • 이수용 (한국항공대학교 항공우주 및 기계공학부) ;
  • 노진호 (한국항공대학교 항공우주 및 기계공학부)
  • Seon-Woo, Byun (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Ji-Yoon, Yang (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Soo-Yong, Lee (School of Aerospace and Mechanical Engineering, Korea Aerospace University) ;
  • Jin-Ho, Roh (School of Aerospace and Mechanical Engineering, Korea Aerospace University)
  • 투고 : 2022.08.16
  • 심사 : 2022.10.26
  • 발행 : 2022.12.31
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초록

본 논문은 3-방향 직물 복합재료의 대표 단위 셀의 모델링 방법에 대해 검증하여 붐 구조물의 기계적 특성에 대해 연구하였다. 대표 단위 셀의 모델링에는 빔 요소에 주기적 경계 조건을 이용하여 인장, 전단, 굽힘, 비틀림의 거동을 모사한 해석을 통해 ABD 행렬을 구했다. 유한 요소 프로그램을 통한 인장 해석과 만능재료 시험기를 이용한 실험 결과를 비교하여 ABD 행렬을 검증하였다. 3-방향 직물 복합재료 붐 구조물의 기계적 특성을 굽힘 해석과 실험을 통해 확인하였다. 이를 통해 3-방향 직물 복합재료를 이용한 구조물 거동 특성을 확인하고자 한다.

This paper studied the mechanical characteristics of boom structures by verifying the modeling method of representing unit cells of triaxial woven fabric (TWF) composites. The modeling of the representative unit cell obtained the ABD matrix by analysing the behaviour of tensile, shear, bending, and torsion using the periodic boundary conditions for the beam element. This study aimed to validate the ABD matrix by comparing the tensile analysis output from a finite element program with the experimental results from an MTS 810 machine. Additionally, the mechanical characteristics of a TWF composite boom structure were determined through bending analysis and experiments. The findings of this research are expected to be beneficial for developing structures using TWF composites.

키워드

과제정보

본 연구는 2022년도 정부(교육부)의 재원으로 한국연구재단의 지원을 받아 수행된 기초연구사업(과제번호: 2022R1A6A1A03056784)입니다.

참고문헌

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