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板料冲压成形是一个复杂的力学过程,是一个集几何非线性、材料非线性、接触非线性为一体的强非线性问题;是一个大位移、大转动、大......
Approximate Solutions of Primary Resonance for Forced Duffing Equation by Means of the Homotopy Anal
Nonlinear dynamic equation is a common engineering model.There is not precise analytical solution for most of nonlinear ......
用改进的L-P法求解了一类平方强非线性自由振动问题和一类非振动型的强非线性问题,得珐了精度很好的一级近似解,方法与通用的改进的L-P法稍......