风力发电机叶片气动弹性响应分析

风力机属于涡轮机械,随着风力机单机功率的不断提高,气动弹性问题逐渐得到重视。发展了一种适用于风力机风轮叶片的气动弹性计算方法,该方法以Marc通用有限元计算程序为基础平台,将气动力计算程序写入子程序中,并根据子程序的调用特点,实现了在每个增量步中,气动和结构边界条件的相互交换。最后给出一个计算算例,得到的计算结果与实际的使用情况相符合。

Aeroelastic Response Analysis of Wind Turbine Blade

With increasing of wind turbine unit capacity,more attention is paid to aeroelastic problems.In this paper a new method suitable for wind turbine blade is developed,this method adopts the Marc general finite element program as the fundamental platform,aerodynamic calculation is programmed into subroutine,based on the characteristic of subroutine calling,the boundary conditions exchange of fluid and structure in each incremental step is realized.A calculating example is given,the numerical results accord wit...