Twin experiments show that the adjoint method can inverse the prescribed bottom friction coefficients perfectly.
理想实验的结果表明，利用伴随法反演底摩擦系数是合理且有效的。
In the traditional numerical simulation, the bottom friction coefficient has been treated as a constant or different constant in different region.
在传统的数值模拟工作中，底摩擦系数被当作一个常数或者在不同的海域取不同的常数。
Based on this model, we analyze the effects of the change of wave height, wave's incident Angle, bottom friction coefficient and topography on rip current, and some useful conclusions are reached.
在此基础上，进一步分析了波浪入射波高、入射角度、底摩阻及驼峰高度对裂流的影响，得出了一些有用的结论。
The results indicate that the side and end resistance around the pile increase greatly, and the poured pile has the powerful continuous end-friction and bottom-friction.
结果表明，桩周附近的侧阻与端阻有了较大幅度的提高，而且注浆桩将具有强劲的后继端阻和侧阻。
Then considering the friction forces on the well sides and well bottom, the permissible jacking force was calculated through the horizontal forces balance of the whole working well.
考虑了沉井底部和侧壁的摩阻力，由沉井整体水平向受力平衡计算允许顶力。
Based on Lin li Ming 's research, this paper discuses the friction reduction by microbubble on a plat-bottom ship.
本文在林黎明研究的基础上进行船舶微气泡减阻的数值计算。
Based on Lin li Ming 's research, this paper discuses the friction reduction by microbubble on a plat-bottom ship.
本文在林黎明研究的基础上进行船舶微气泡减阻的数值计算。
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