non-linear wave forces 非线性波浪力
The calculation of the spectral density of non-linear wave forces is presented in detail, based on linearized approach and polynomial-approximated approach, respectively.
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 results indicate that the wave drag forces calculated by linear wave theory are larger than those calculated by the third order Stokes wave theory for given waves.
波浪阻力计算取决于海水质点的速度，而速度计算又依赖于所采用的波浪理论。
At present, the calculations of wave forces on Marine structures are confined to the linear and low-order non-linear wave theories, sometimes these are not satisfied with the requirements.
当前，海洋结构物波浪荷载的计算大多限于线性波理论以及低阶的非线性波理论，有时是不能满足工程精度需要的。
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