Numerical prediction of ship hydrodynamic performance at design stage using computational fluid dynamics (CFD) technique is a most important and challenging subject in the field of ship hydrodynamics.
采用计算流体动力学(CFD)技术实现在船舶设计阶段对船舶水动力性能的精确预报，是船舶水动力学学科中一个具有重大理论和实用意义的、富有挑战性的课题。
So, how studies can accurately prediction to the contra-rotating propeller hydrodynamic performance is more important.
所以，研究如何更能准确地预报对转螺旋桨水动力性能更为重要。
So, an in-depth study in how to make a accurate prediction of the hydrodynamic performance of the propeller is very important.
因此，深入地研究如何准确地预报螺旋桨的水动力性能是非常重要的。
This paper has adopted the lifting-surface method for the prediction of unsteady hydrodynamic performance and cavitation performance of propeller.
本文采用升力面理论预报螺旋桨非定常水动力性能及空泡性能。
This research is useful in predicting of the hydrodynamic performance and in enhancing the prediction precision of the propeller by using High-Order Surface Panel Method.
本论文的研究为高阶面元法预报螺旋桨的水动力性能打下了一定的基础，对进一步提高面元法预报的精度具有一定的实用意义。
In this thesis, the main content is the prediction of hydrodynamic performance of these two kinds of turbines with numerical calculation methods.
本文的主要工作是对这两种不同的被动式竖轴水轮机的水动力性能进行数值模拟。
In this thesis, the main content is the prediction of hydrodynamic performance of these two kinds of turbines with numerical calculation methods.
本文的主要工作是对这两种不同的被动式竖轴水轮机的水动力性能进行数值模拟。
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