提出了袋形排在静水和波浪中运行阻力的计算新方法。
A new calculation method is put forward of the running resistance of the round-boom type raft in smooth water as well as in waves.
对于波浪中的阻力增加的研究，一直是理论研究和工程应用的重点。
On the researches of added resistance in waves, the added resistance prediction based on the strip approach is usually used.
通常将垂直柱体在波浪场中的受力分为正向力(顺流力)与升力，它们是由干粘性流绕钝体产生的摩擦阻力和由于水流绕柱分离产生涡漩而形成柱表面压力分布的不均匀变化而造成的。
When waves act on a vertical cylinder, there are in-line and lift forces. They are caused by the viscous effect, which induces the surface frictional force and flow separation and vortex shedding.
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