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위상최적설계를 이용한 스터브액슬의 경량화 설계

Lightweight Design of the Stub Axle Using Topology Optimization

Journal of the Korean Society for Precision Engineering 2018;35(7):695-700.
Published online: July 1, 2018

1 한국과학기술원 조천식녹색교통대학원

2 한국교통연구원 물류연구본부

1 The Cho Chun Shik Graduate School of Green Transportation, Korea Advanced Institute of Science and Technology

2 Department of Logistics Research, The Korea Transport Institute

#E-mail: igjang@kaist.edu, TEL: +82-42-350-1262
• Received: June 18, 2017   • Revised: February 20, 2018   • Accepted: February 27, 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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Citations

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    Robotic Intelligence and Automation.2023; 43(1): 75.     CrossRef
  • 2-D Topology Optimization of the Connection Part of the Electric Kickboard in Case of Front Collision
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    Journal of the Korean Society for Precision Engineering.2022; 39(11): 841.     CrossRef
  • Optimal Design for Strength Improvement of Support Bracket for Sanding Device of Railway Vehicle Using Topology Optimization
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    Journal of the Korean Society for Precision Engineering.2020; 37(4): 263.     CrossRef

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Lightweight Design of the Stub Axle Using Topology Optimization
J. Korean Soc. Precis. Eng.. 2018;35(7):695-700.   Published online July 1, 2018
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Lightweight Design of the Stub Axle Using Topology Optimization
J. Korean Soc. Precis. Eng.. 2018;35(7):695-700.   Published online July 1, 2018
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Lightweight Design of the Stub Axle Using Topology Optimization
Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 CAD model for a stub-axle
Fig. 2 Boundary conditions for a finite element model
Fig. 3 Boundary conditions of a cargo trailer
Fig. 4 Three extreme condition during driving: (a) ultimate vertical, (b) pot hole brake, and (c) lateral kerb strike
Fig. 5 Loading boundary conditions for (a) ultimate vertical (b) pot hole brake, and (c) lateral kerb strike
Fig. 6 Load application position for a stub axle
Fig. 7 Design domain for a stub-axle
Fig. 8 Optimized result for a stub axle
Fig. 9 Sectional thickness distribution according to volume usage (a) 60%, (b) 70% and (c) 80%
Fig. 10 Equivalent stress contours for the three load cases
Fig. 11 Pilot stub axle based on the optimized results
Fig. 12 Equivalent stress contours of initial model for the three load cases
Lightweight Design of the Stub Axle Using Topology Optimization

Material properties of a stub axle

Density
(kg/m3)
Young’s
modulus
(GPa)
Poisson’s
ratio
Yield
strength
(MPa)
ATOS80 7850 207 0.30 700
S45C-H 7850 205 0.27 490
SCM440 7860 206 0.26 415
SM490A 7850 207 0.29 315
SS400 7860 207 0.26 275
SCW480 7800 206 0.27 275
Table 1 Material properties of a stub axle