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Research progress on intelligent optimization techniques for energy-efficient design of ship hull forms

Shuwei Zhu, Siying Lv, Kaifeng Chen, Wei Fang, Leilei Cao

Abstract

The design optimization of ship hull form based on hydrodynamics theory and simulation-based design (SBD) technologies generally considers ship performance and energy efficiency performance as the design objective, which plays an important role in smart design and manufacturing of green ship. An optimal design of sustainable energy system requires multidisciplinary tools to build ships with the least resistance and energy consumption. Through a systematic approach, this paper presents the research progress of energy-efficient design of ship hull forms based on intelligent optimization techniques. We discuss different methods involved in the optimization procedure, especially the latest developments of intelligent optimization algorithms and surrogate models. Moreover, current development trends and technical challenges of multidisciplinary design optimization and surrogate-assisted evolutionary algorithms for ship design are further analyzed. We explore the gaps and potential future directions, so as to paving the way towards the design of the next generation of more energy-efficient ship hull form.

Research progress on intelligent optimization techniques for energy-efficient design of ship hull forms

Abstract

The design optimization of ship hull form based on hydrodynamics theory and simulation-based design (SBD) technologies generally considers ship performance and energy efficiency performance as the design objective, which plays an important role in smart design and manufacturing of green ship. An optimal design of sustainable energy system requires multidisciplinary tools to build ships with the least resistance and energy consumption. Through a systematic approach, this paper presents the research progress of energy-efficient design of ship hull forms based on intelligent optimization techniques. We discuss different methods involved in the optimization procedure, especially the latest developments of intelligent optimization algorithms and surrogate models. Moreover, current development trends and technical challenges of multidisciplinary design optimization and surrogate-assisted evolutionary algorithms for ship design are further analyzed. We explore the gaps and potential future directions, so as to paving the way towards the design of the next generation of more energy-efficient ship hull form.
Paper Structure (18 sections, 1 equation, 8 figures, 5 tables)

This paper contains 18 sections, 1 equation, 8 figures, 5 tables.

Table of Contents

  1. Introduction
  2. Main technologies in hull form optimization
  3. CFD numerical simulation technology
  4. Hull geometry reconstruction technology
  5. Optimization technology
  6. Approximation technology
  7. Integration technology
  8. Application of SBD and intelligent optimization methods for energy-efficient ship hulls
  9. Design variables based on hull form expressions and transformations
  10. Objective functions based on hydrodynamic performance evaluation
  11. Intelligent optimization algorithm
  12. Approximate technology
  13. Application cases
  14. Total drag optimization case of DTMB-5415 hull
  15. Total drag optimization and Wake fraction reduction of JBC ship
  16. ...and 3 more sections

Figures (8)

  • Figure 1: Principle of ship hull form design optimization based on SBD technology.
  • Figure 2: The framework of SBD technology incorporating intelligent optimization and approximate models.
  • Figure 3: Distribution of articles published in important journals.
  • Figure 4: Distribution of number of different intelligent optimization algorithms for ship hull-form design.
  • Figure 5: Geometry model of DTMB-5415.
  • ...and 3 more figures