The advent of wind turbines has enabled mankind to utilize renewable energy sources for the development of power. The blade being the most crucial part and the design of the same remains a challenge since it is subjected to dynamic loads due to the rotation of the blade along with unsteady wind velocity. The prediction of the dynamic wind loads acting on the blade is a difficult task and thus this has been analyzed in the present work. Two different approaches have been proposed to predict accurately the variation of the wind loads acting on the rotor using the unsteady blade element momentum theory. The effect of gravity has also been accounted for in computing the response of the structure. The effect of the position of shear web and the number of shear webs on the response of the structure has also been analyzed in the present work.

风力涡轮机的出现使人类能够利用可再生能源来开发电力。叶片是最关键的部分，它的设计仍然是一个挑战，因为它会受到由于叶片旋转和不稳定风速而产生的动态载荷。预测作用在叶片上的动态风载荷是一项艰巨的任务，因此在目前的工作中对此进行了分析。已经提出了两种不同的方法来使用非定常叶片元件动量理论准确预测作用在转子上的风载荷的变化。在计算结构的响应时也考虑了重力的影响。目前的工作还分析了抗剪腹板位置和抗剪腹板数量对结构响应的影响。