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首页> 外文期刊>Journal of ship production and design >Trimaran Structural Weight Optimization Based on Classification Rules
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Trimaran Structural Weight Optimization Based on Classification Rules

机译：基于分类规则的三体结构权重优化

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Structural optimization is one of the important aspects of the overall ship design process. A number of advanced optimization tools are available. As these tools require large computational resources, they are not suitable for use in the preliminary design stages, when many important aspects of the design, such as overall dimensions and hull configurations, are determined. This article describes the development of an efficient structural weight optimization method for a trimaran hull form within the governing rules and regulations of the classification society. The method is particularly useful in the early design stage because of its simplicity. Two trimaran hull forms (HSTT-180 and TriFerry) are selected and optimized using the multi-island genetic algorithm optimization process. The weight optimization process achieved a weight reduction for HSTT-180 and TriFerry of about 32.85% and 8.95%, respectively. Furthermore, in both cases, optimum structural weights were obtained with smaller values of main-hull and side-hull stiffener spacing but higher values of main-hull frame spacing. Results obtained indicate that the structural weight of trimaran designs, such as those referenced here, can be substantially reduced by advanced optimization methods.
机译：结构优化是整个船舶设计过程的重要方面之一。提供了许多高级优化工具。由于这些工具需要大量的计算资源，因此当确定设计的许多重要方面（例如总体尺寸和船体配置）时，它们不适合在初步设计阶段使用。本文介绍了在船级社管理规则和法规范围内，针对三体船船体形式的有效结构重量优化方法的发展。由于其简单性，该方法在早期设计阶段特别有用。使用多岛遗传算法优化过程选择并优化了两种三体船体形式（HSTT-180和TriFerry）。重量优化过程使HSTT-180和TriFerry的重量分别减少了约32.85％和8.95％。此外，在两种情况下，均以较小的主船体和侧面船体加劲肋间距值获得较高的结构重量，而获得较大的主船体框架间距值。获得的结果表明，三聚氰胺设计的结构重量（如此处引用的那些）可以通过先进的优化方法大大降低。

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