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위상최적화 해석기법을 이용한 수륙양용보트 링크 구조물의 경량화 설계

Lightweight Design of Link Structures for Amphibious Boat using Topology Optimization Method

Journal of the Korean Society for Precision Engineering 2018;35(11):1085-1092.
Published online: November 1, 2018

1 한밭대학교 대학원 기계공학과

2 한밭대학교 기계공학과

3 성동마린㈜ 연구개발부

1 Department of Mechanical Engineering, Graduate School, Hanbat National University

2 Department of Mechanical Engineering, Hanbat National University

3 Research and Development Division, SD Marine Co., Ltd.

#E-mail: shin955@hanbat.ac.kr, TEL: +82-42-821-1156
• Received: May 25, 2017   • Revised: July 16, 2018   • Accepted: August 7, 2018

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Lightweight Design of Link Structures for Amphibious Boat using Topology Optimization Method
J. Korean Soc. Precis. Eng.. 2018;35(11):1085-1092.   Published online November 1, 2018
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Lightweight Design of Link Structures for Amphibious Boat using Topology Optimization Method
J. Korean Soc. Precis. Eng.. 2018;35(11):1085-1092.   Published online November 1, 2018
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Lightweight Design of Link Structures for Amphibious Boat using Topology Optimization Method
Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Amphibious boat developed in Korea
Fig. 2 Link structures for amphibious boat
Fig. 3 Load conditions of link structure for amphibious boat
Fig. 4 Design process of lightweight link structure
Fig. 5 Load and boundary conditions
Fig. 6 Analysis results of topology optimization for a slope way
Fig. 7 Lightweight design of front link structure
Fig. 8 Lightweight design of rear link structure
Fig. 9 Numerical analysis results of lightweight link structure
Fig. 10 Test fixtures for link structure
Fig. 11 Test setup for lightweight link structure
Fig. 12 Lightweight link structure
Fig. 13 Ground driving test
Fig. 14 Water driving test
Lightweight Design of Link Structures for Amphibious Boat using Topology Optimization Method

Comparison of results for analysis and test

Parts Slope way Max. Von-Mises stress (MPa)
Front
link
FEM 79.00
Test 82.96
30° FEM 121.88
Test 124.71
Rear
link
FEM 17.18
Test 19.48
30° FEM 80.56
Test 83.90
Table 1 Comparison of results for analysis and test