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首页> 外文期刊>Wind Energy Science >Beamlike models for the analyses of curved, twisted and tapered horizontal-axis wind turbine?(HAWT) blades undergoing large displacements
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Beamlike models for the analyses of curved, twisted and tapered horizontal-axis wind turbine?(HAWT) blades undergoing large displacements

机译：用于分析弯曲，扭曲和锥形水平轴风力涡轮机的分析模型？（HAWT）刀片正在进行大型位移

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摘要

Continuous ongoing efforts to better predict the mechanical behaviour of complex beamlike structures, such as wind turbine blades, are motivated by the need to improve their performance and reduce the costs. However, new design approaches and the increasing flexibility of such structures make their aeroelastic modelling ever more challenging. For the structural part of this modelling, the best compromise between computational efficiency and accuracy can be obtained via schematizations based on suitable beamlike elements. This paper addresses the modelling of the mechanical behaviour of beamlike structures which are curved, twisted and tapered in their unstressed state and undergo large displacements, in- and out-of-plane cross-sectional warping, and small strains. A suitable model for the problem at hand is proposed. Analytical and numerical results obtained by its application are presented and compared with results from 3D?FEM analyses.
机译：不断持续的努力，更好地预测复杂波束结构的机械行为，例如风力涡轮机叶片，这是为了提高它们的性能并降低成本的动力。然而，新的设计方法和这种结构的增加灵活性使得它们的空气弹性建模更具挑战性。对于该建模的结构部分，可以通过基于合适的波束状元件的求出来获得计算效率和精度之间的最佳折衷。本文介绍了梁状结构的机械特性的建模，其在其无顽固状态下弯曲，扭曲和逐渐变细，经历大的位移，外平面和外平面横截面翘曲和小菌株。提出了一种适当的问题模型。通过其申请获得的分析和数值结果与3D？有限元分析的结果呈现。

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