Parametric Design Considerations for Lifting Lug Structure on Ship Block

doi:2011.25.2.101

J. Ocean Eng. Technol. > Volume 25(2); 2011 > Article

J. Ocean Eng. Technol. 2011;25(2):101-107.
DOI: https://doi.org/10.5574/KSOE.2011.25.2.101

Ham Juh-Hyeok

Department of Computer-aided Engineering Halla University

선박블록 탑재용 러그구조의 파라메트릭 설계 고찰

함주혁

한라대학교 컴퓨터응용설계학과

Keywords: Lifting lug, Shackle pin, Lug strength, Optimum structural design, Parametric design study

핵심용어: 탑재용 러그, 셔클 핀, 러그 강도, 최적 구조설계, 파라메트릭 설계 연구

Abstract

In view of the importance of material reduction because of the jump in oil and steel prices, structural design studies for lifting lugs were performed. Hundreds of thousands of such lifting lug structures are needed every year for ship construction. A direct design study was reviewed using the developed design system to increase the design efficiency and provide a way of directly inserting a designer's decisions into the design system process. In order to understand the design efficiency and convenience of a lug structure, parametric studies for prototype lug shapes were performed using the developed design system. From these design studies, various patterns of design parameters for the lug structure according to changes in the main plate length were examined. Based on these parametric study results, design guides were developed for more efficiently suggesting structural data for enormous lug structures. Additionally, a more detailed structural analysis through local strength evaluations will be performed to verify the efficiency of the optimum structural design for a lug structure.