基于响应面法的船体CFRP帽形加筋板优化设计
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Optimization Design of CFRP Hat-Shaped Stiffened Plate for Hull Based on Response Surface Methodology
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    摘要:

    针对船体碳纤维增强聚合物(Carbon Fiber Reinforced Polymer,CFRP)帽形加筋板的优化设计问题,提出一种基于响应面法(Response Surface Methodology,RSM)的结构优化方法。对船体CFRP帽形加筋板进行静力学计算和特征值屈曲分析,获取加筋板结构的质量特征和力学特性。采用拉丁超立方体抽样(Latin Hypercube Sampling,LHS)进行响应面试验,采用多目标遗传算法(Multi-Objective Genetic Algorithm,MOGA)进行迭代寻优,获得满足尺寸约束和稳定性要求的最佳设计方案。优化结果表明,面板厚度和帽形梁厚度对加筋板屈曲载荷和质量的影响较为敏感。响应面模型的预测精度较高,所提出的优化设计方案具有良好的应用性,可为CFRP船体结构的优化设计和工程应用等提供参考。

    Abstract:

    In view of optimization design problem of Carbon Fiber Reinforced Polymer (CFRP) hat-shaped stiffened plate for hull, a structural optimization method based on Response Surface Methodology (RSM) is proposed. The static calculation and eigenvalue buckling analysis of CFRP hat-shaped stiffened plate for hull are conducted to obtain the mass characteristic and mechanical property of stiffened plate structure. The response surface test is conducted with Latin Hypercube Sampling (LHS), the iterative optimization is performed with Multi-Objective Genetic Algorithm (MOGA), and the optimal design scheme meeting the dimensional constraints and stability requirements is obtained. The optimization results show that the panel thickness and hat-shaped beam thickness are sensitive to the influence of buckling load and mass of stiffened plate. The prediction accuracy of response surface model is high, and the proposed optimization design scheme is of good applicability, which can provide reference for the optimization design and engineering application of CFRP hull structure.

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张富强,王羽,章钧星,陶安,陈杰峰,李妍,李晓文.基于响应面法的船体CFRP帽形加筋板优化设计[J].造船技术,2025,(02):1-7

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  • 在线发布日期: 2025-04-28
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