鉴于船舶舱段结构轻量化与绿色优化设计时，存在多目标耦合下解空间受限、结构轻量化与绿色目标二元对立的协同难题，研究约束渐进放松策略下船舶舱段结构轻量化与绿色优化设计方法。以16种船舶舱段板材厚度为设计变量，构建舱段总质量最小与EEDI值最低的双目标优化设计目标函数，引入动态调节系数建立弹性约束边界，通过约束渐进放松的迭代机制，获取可平衡船舶舱段结构轻量化与绿色优化目标的舱段结构板材厚度优化设计方案。实验结果表明，优化后舱段总质量从487.42 t降至456.7 t，船舶能效设计指数（EEDI）从2.99 g/(t·nmile)降至2.98 g/(t·nmile)，且船体兴波阻力显著降低，该方法有效突破固定约束下的优化瓶颈，实现了轻量化、能效提升与结构安全的协同。
Given the challenges of restricted solution space under multi-objective coupling and the conflicting synergy between structural lightweighting and green objectives during the lightweight and green optimization design of ship compartment structures, a method for the lightweight and green optimization design of ship compartment structures under a constraint progressive relaxation strategy is investigated. Using the thicknesses of 16 types of ship compartment plates as design variables, a dual-objective optimization design objective function is constructed to minimize the total mass of the compartment and the lowest Energy Efficiency Design Index (EEDI) value. A dynamic adjustment coefficient is introduced to establish elastic constraint boundaries. Through an iterative mechanism of constraint progressive relaxation, an optimized design scheme for the thicknesses of compartment structural plates that balances the lightweighting and green optimization objectives of ship compartment structures is obtained. Experimental results demonstrate that the optimized total mass of the compartment decreases from 487.42 t to 456.7 t, and the EEDI decreases from 2.99 g/(t·nmile) to 2.98 g/(t·nmile), with a significant reduction in the ship's wave-making resistance. This method effectively breaks through the optimization bottleneck under fixed constraints, achieving a synergy among lightweighting, energy efficiency improvement, and structural safety.
2026,48(3): 181-185 收稿日期：2025-8-21
DOI：10.3404/j.issn.1672-7649.2026.03.028
分类号：U66
基金项目：2025年河南省软科学研究计划项目（252400411180）
作者简介：石彬彬(1982-),女,硕士,讲师,研究方向为空间结构设计及船舱绿色设计
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