用这种线性化方法对波浪力与非线性波浪力进行计算几乎没有误差。
The calculated wave drag forces by using this method have nearly no error as compared with the nonlinear values.
该文详细介绍了采用线性化法和多项式逼近法求解非线性波浪力谱密度的过程。
The calculation of the spectral density of non-linear wave forces is presented in detail, based on linearized approach and polynomial-approximated approach, respectively.
系泊运动的数学模型是一个具有指数回复力特性的非线性强迫振子，以波浪作用力为外激励。
The mathematic model was a nonlinear oscillator driven by wave exciting force while the restoring force was exponential.
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