Volume 16 Issue 6
Dec.  2021
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ZHU J X, WU J M, LIU Y C, et al. Rapid determination method of minimum stable topological plate thickness in topology optimization of complex hull structures[J]. Chinese Journal of Ship Research, 2021, 16(6): 159–165. DOI: 10.19693/j.issn.1673-3185.02055
Citation: ZHU J X, WU J M, LIU Y C, et al. Rapid determination method of minimum stable topological plate thickness in topology optimization of complex hull structures[J]. Chinese Journal of Ship Research, 2021, 16(6): 159–165. DOI: 10.19693/j.issn.1673-3185.02055
shu

Rapid determination method of minimum stable topological plate thickness in topology optimization of complex hull structures

  • 1.

    Marine Design and Research Institute of China, Shanghai 200011, China

  • 2.

    Shanghai Key Laboratory of Ship Engineering, Shanghai 200011, China

More Information
  • Received Date: August 01, 2020
  • Revised Date: December 23, 2020
  • Available Online: May 25, 2021
© 2021 The Authors. Published by Editorial Office of Chinese Journal of Ship Research. Creative Commons License
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
    Graphical Abstract
    • Abstract
  •   Objectives  The design domain for the topological optimization of ship structures is usually based on two-dimensional shell elements. However, the thickness difference of the design domain affects the setting of volume fraction constraints and the acquisition of stable topological configuration, restricting the practical application of the topology optimization method in the field of hull structure design. Thus, relevant research needs to be carried out to solve this problem.
      Methods  This paper takes the transverse web frame in the cargo tank of a very large crude oil carrier (VLCC) as the optimization object, and puts forward a compromise method for setting the volume fraction constraint value of the complex hull structure, as well as a method for determining the minimum stable topological plate thickness of the transverse web frame via element statistics.
      Results  Through theoretical analysis and trial calculation, it is found that the volume fraction value and minimum stable topological plate thickness can be obtained more reliably using this method.
      Conclusions  The proposed method possesses validity and feasibility, and is able to provide technical support for the optimization design of the transverse web frames of large oil tankers. It can also provide references for the topology optimization of other complex hull structures.
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    • References (10)
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