腿距变化下海上风电机组导管架拓扑优化设计方法

张锦华; 杜家政; 龙凯; 姚西山; 陆飞宇; 耿荣荣

doi:10.19912/j.0254-0096.tynxb.2023-1055

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (11) : 427-432. DOI: 10.19912/j.0254-0096.tynxb.2023-1055

腿距变化下海上风电机组导管架拓扑优化设计方法

张锦华¹, 杜家政¹, 龙凯², 姚西山^2,3, 陆飞宇², 耿荣荣²

作者信息 +

TOPOLOGY OPTIMIZATION METHOD ON JACKET STRUCTURE OF OFFSHORE WIND TURBINE BY VARYING LEG DISTANCES

Zhang Jinhua¹, Du Jiazheng¹, Long Kai², Yao Xishan^2,3, Lu Feiyu², Geng Rongrong²

Author information +

文章历史 +

摘要

为进一步提高海上风电机组支撑结构力学性能,通过调整桩腿距离以改变设计域,提出腿距变化下的导管架拓扑优化设计方法。建立多目标归一化加权柔顺度最小优化目标模型,设置体积比和工程制造加工约束,分析拓扑优化构型变化规律。基于IEC 61400-3规范及有限元分析进行整机极限载荷计算与导管架极限工况分析。以一阶固有频率、最大位移、最大支反力为衡量指标,与NREL 5 MW机组相比,腿距变化下对应设计域的一系列拓扑优化结构在力学各方面性能上更加优越,证明所提出的拓扑优化方法在导管架设计中的可行性和优越性。

Abstract

To further improve the mechanical properties of the support structure of the offshore wind turbine, a topology optimization design method is proposed by adjusting the leg distance to change the design domain. A multi-objective normalized weighted compliance minimum optimization model is established while the volume fraction and engineering manufacturing constraints are imposed as constraints. The variations of optimized topologies are analyzed. Based on IEC 61400-3 specification and finite element analysis, the ultimate load calculation and the ultimate working condition analysis of jacket are performed. Compared with NREL 5 MW offshore wind turbine, the mechanical performance of a series of optimized topologies with various leg spacing corresponding to the adjustable design domain are superior in terms of fundamental natural frequency, maximum displacement and maximum pull-out force. By altering the design domain of leg distance, the optimization results illustrate that the proposed topology optimization approach is feasible and advantageous in jacket design.

导出引用

张锦华, 杜家政, 龙凯, 姚西山, 陆飞宇, 耿荣荣. 腿距变化下海上风电机组导管架拓扑优化设计方法[J]. 太阳能学报. 2024, 45(11): 427-432 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1055

Zhang Jinhua, Du Jiazheng, Long Kai, Yao Xishan, Lu Feiyu, Geng Rongrong. TOPOLOGY OPTIMIZATION METHOD ON JACKET STRUCTURE OF OFFSHORE WIND TURBINE BY VARYING LEG DISTANCES[J]. Acta Energiae Solaris Sinica. 2024, 45(11): 427-432 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1055

中图分类号： TH12

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