Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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Development of Hull Form Optimization Method for Improving Resistance Performance of Small Catamaran

소형 쌍동선의 저항성능 개선을 위한 선형 최적화 기법 개발

  • Jung Yoon Park (Shipbuilding & Marine Simulation Center, Tongmyong University) ;
  • Jonghyeon Lee (Shipbuilding & Marine Simulation Center, Tongmyong University) ;
  • Janghoon Seo (Shipbuilding & Marine Simulation Center, Tongmyong University) ;
  • Dong-Woo Park (Department of Marine Mobility, Tongmyong University)
  • 박정윤 (동명대학교 조선해양시뮬레이션센터) ;
  • 이종현 (동명대학교 조선해양시뮬레이션센터) ;
  • 서장훈 (동명대학교 조선해양시뮬레이션센터) ;
  • 박동우 (동명대학교 해양모빌리티학과)
  • Received : 2023.06.09
  • Accepted : 2023.08.02
  • Published : 2023.10.20
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Abstract

The present study established hull form optimization for small catamaran based on variations of knuckle lines. Four knuckle lines below the free surface were employed as design variables. Knuckle lines were independently transformed within remaining the main dimensions of the existing hull. For the hull form optimization, the SHERPA algorithm of HEEDS was utilized. Computational fluid dynamics was employed to estimate the resistance performance. The optimal hull showed the improvement of resistance performance of 9.3% than that of existing hull. The improvement of wave and pressure distributions for optimal hull was confirmed. Throughout the present study, it is expected that established optimization method can be applied for various small vessels such as fishing and leisure boats.

Keywords

Acknowledgement

이 연구는 한국산업기술진흥원의 부산 암모니아 친환경 에너지 특구 사업 중 암모니아 기반 연료전지 하이브리드 친환경 선박 실증(P0020619) 과제의 지원을 받아 수행되었습니다.

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