The invention belongs to the field of structural optimization design, and particularly discloses an aerodynamic and structural optimization method for a high-altitude self-adaptive deformation composite propeller, which comprises the following steps: establishing a composite propeller layering optimization model, and initializing design variables of the model; establishing a serialized region fiber sub-model of the composite material propeller layering optimization model, and performing optimization operation in the serialized region fiber sub-model; reading output data of the composite material propeller layering optimization model through simulation software to obtain allowable strain of a composite material, a pitch angle under a design point and the minimum number of regional layers; and performing iterative optimization on allowable strain, a design point lower pitch angle and a regional minimum layer number by using an optimization objective function set by the serialized region fiber sub-model according to a set algorithm population individual number and iteration times until iteration is completed, and outputting a layer optimization optimal individual. According to the invention, the structure optimization of the high-altitude propeller can be realized.
本申请属于结构优化设计领域,具体公开了一种面向高空自适应变形复合材料螺旋桨气动与结构优化方法,包括建立复合材料螺旋桨铺层优化模型,并初始化模型的设计变量;建立复合材料螺旋桨铺层优化模型的序列化区域纤维子模型,在序列化区域纤维子模型中进行优化运算;通过仿真软件读取复合材料螺旋桨铺层优化模型的输出数据,得到复合材料的许用应变、设计点下桨距角以及区域最小铺层数;将许用应变、设计点下桨距角以及区域最小铺层数利用所述序列化区域纤维子模型设定好的优化目标函数,根据设定好的算法种群个体数量和迭代次数进行迭代优化,直至迭代完成输出铺层优化最优个体。通过本申请可实现高空螺旋桨的结构优化。
Aerodynamic and structural optimization method for high-altitude self-adaptive deformation composite propeller
面向高空自适应变形复合材料螺旋桨气动与结构优化方法
2024-10-18
Patent
Electronic Resource
Chinese