Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Calculation Time Analysis of Cylindrical Voxel Model-Based Heat-Transfer Simulation for Fiber-Reinforced Composites

원통형 복셀 모델과 유한차분법 기반 섬유강화복합재료 열전달 시뮬레이션의 적분방법별 연산시간 분석

  • Cho, Young Jun (Research Center, AXIA Materials Co. Ltd.) ;
  • Jung, Jin Young (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Sul, In Hwan (Department of Materials Design Engineering, Kumoh National Institute of Technology)
  • 조영준 ((주)엑시아머티리얼스 연구소) ;
  • 정진영 (금오공과대학교 소재디자인공학과) ;
  • 설인환 (금오공과대학교 소재디자인공학과)
  • Received : 2020.08.05
  • Accepted : 2020.08.24
  • Published : 2020.08.31
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Abstract

The heat transfer process of fiber-reinforced composite materials depends on heterogeneous and complex boundary conditions, which limit the use of various conventional numerical methods. In this study, the finite difference method (FDM) was used to facilitate efficient numerical analysis. Fibers and fabrics were modeled as a series of cylinders and then transformed to a bulk of cubic-shaped element, known as "voxels," to implement the FDM. Each voxel contained a heat transfer coefficient of the matrix or reinforcement fiber, considering the fiber orientation angle. Two types of time integration methods, i.e., the explicit-Euler and implicit-explicit hybrid integration schemes, were adopted, and their calculation times were compared.

Keywords

Acknowledgement

이 연구는 금오공과대학교 학술연구비로 지원되었음(2019-104-067).

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