结合单步出流实验的数值反演方法在确定土壤水力性质时会遇到解的非唯一性问题。
The non-uniqueness problem is always encountered when numerical inverse method coupling with one step outflow experiments is employed to determine the soil hydraulic properties.
应用升力面理论涡格法和面元法，建立了拖式吊舱推进器非定常水动力性能的数值计算方法。
Based on potential flow theory, a numerical method is proposed for predicting the steady and unsteady hydrodynamic performances of puller type podded propulsors.
将并行计算方法应用于含运动边界流场的数值模拟，采用弹簧方法生成非结构运动网格。
The parallel computation method was used for numerical simulation of flow field with moving boundary, and unstructured moving grids were generated by spring analogy method.
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