An iterative computation method for nonlinear forced vibration equation on helicopter blade aerodynamic load is given.
介绍用迭代方法求解直升机桨叶气动载荷中的非线性强迫振动方程。
The paper expounds the basic theory of multi-layer analysis, iterative computation method, relations among divided layer quantities, total layer thick and computation precise.
本文阐明了多层理论的基本原理，迭代计算方法，分层数、层厚与计算准确度的关系。
The theoretical analysis and numerical results of two typical examples show that this method can decrease the numbers of iterative by30%and reduce the computation time greatly.
两个典型算例的理论分析和实际计算表明，这种预条件方法可以降低方程的迭代次数约30%，明显减少方程求解时间。
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