Load Identification Method for a Complex Structure with Nonlinearity

A combined iteration method of load identification method is presented concerning one type of structure with nonlinearity. The proposed method realizes the load identification of the nonlinear dynamical system by combining and iterating the finite element method and the active control method. For a conical shell-belting combined system, the numerical study regarding the load identification demonstrates the validity of combined iteration method, which can plays a guiding role in the load identification of vibration test respecting aerospace structures, such as missile, aero spacecraft, aerospace plane, rocket and so on, making great contribution to the development of the aerospace industry.