Method for solving linear flutter speed of three-dimensional wing based on multi-body system transfer matrix method

The invention discloses a method for solving the linear flutter speed of a three-dimensional wing based on a multi-body system transfer matrix method. The method comprises the following steps: deriving a bending-torsion coupling beam transfer matrix of the wing based on the multi-body system transfer matrix method; establishing a total transfer equation of the wing, and solving and obtaining the inherent frequency and the vibration mode of the wing; according to the Theodorsen unsteady aerodynamic force theory, establishing the relation between wing vibration displacement and aerodynamic force; establishing a body dynamics equation of the wing, and converting the body dynamics equation into a frequency domain to obtain a flutter frequency domain model of the wing; and performing frequencydomain solving on the wing flutter frequency domain model to obtain the flutter speed of the wing. The method can achieve the quick solving of the flutter speed of the wing. 本发明公开了一种基于多体系统传递矩阵法求解三维机翼线性颤振速度的方法，包括以下过程：基于多体系统传递矩