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中文摘要：
提出了一种新型风力发电塔架结构形式：构架式风力发电塔架，并根据遗传算法（GA）二进制编码方法，以实际工程为背景，编制了变截面构架式塔架Fortran优化模型程序，分别对塔架进行了截面尺寸优化、形状优化的计算和比较，最后利用有限元软件，采用自定义梁单元参数，建立了传统单管塔优化模型。计算结果表明，构架式风电塔架相对于单管塔架，具有较高的刚度和一阶自振频率，且该结构具有基础工程量小，方便运输，降低施工难度等优点。
英文摘要：
A new type of wind turbine tower, Variable Cross-Section Frame wind turbine, was proposed. With Fortran language and binary-coding method of Genetic Algorithm （GA）, calculation algorithm of varying cross-section frame wind turbine was developed base on practical project. Upon the optimization algorithm, section-size and shape optimization of wind tower was carried out. By the finite element software, with user-defined beam element parameters, an optimization model was proposed for traditional single-pipe tower. It was found that compared with single-pipe tower, frame wind turbine has quite a lot advantages such as relative higher first natural frequency and stiffness, relative lower foundation quantities, easy to be carried and constructed and so on.
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