1) Equivalent Singularity Distribution
等价奇点分布
2) singularity distribution
奇点分布
1.
Discreting the distributed strength of singularity by Gauss division in axial-radial direction and Fourier series in circular direction, the algorithms are more efficient and will be available for reference in calculating inviscid flow problem by singularity distribution method.
本文给出分布在轴对称面元上的奇点在无界域中的诱导速度势和诱导速度计算公式,奇点分布强度在轴向和径向采用高斯分点离散,周向采用富氏级数离散。
3) singularity distribution method
奇点分布法
1.
Numerical evaluation of inner flow within low specific speed impeller of common centrifugal pump was evaluated numerically by using singularity distribution method.
采用奇点分布法对普通结构型式的低比转速离心泵叶轮内部流动进行数值计算,通过对由长、短叶片构成的复合叶轮内部流场的实例计算,验证奇点分布法的可行性与适用性。
2.
In view of the case that the calculation accuracy of existing quasi three dimensional method for the flow calculation within centrifugal impeller with low specific speed is still dissatisfactory, the singularity distribution method is adopted to calculate such flow field.
针对目前准三维方法在低比转速离心叶轮的流场计算中的结果不太令人满意的现实情况 ,将奇点分布法用于该领域的计算 ,并经实例计算验证了该方法的可行性 ,且在计算过程中显示出该方法的简单、快捷和结果精确程度高的特
4) method of singular point distribution
奇点分布法
1.
This paper discusses the development of CAD software in designing runner blades of axial flow hydraulic turbines with the method of singular point distribution.
现代轴流式转轮叶片设计中,奇点分布法因计算工作量大较少采用,但其理论的严谨性、推导的严密性比常用的统计分析法和升力法更符合流体动力场的客观规律,因而可减少研制新转轮的实验工作量和验证实验数据的可靠性,获得优秀水力模型。
2.
Hydrodynamic derivatives of a submerged body containing a rotational body, enclosing shell, cross foil and annular airfoil are calculated using the method of singular point distribution on condition that the fluid is steady and potential as well as incompressible.
在定常、有势、不可压流的前提下,对由回转体、附体围壳、十字翼和环形翼组成的潜体的水动力导数,采用奇点分布法进行了计算。
5) tail equivalence
分布尾等价
6) Equivariant singularity
等变奇点
补充资料：等价
等价
equmrience
等价[剑两钧山”沈:，K，二a二e盯。ocT‘] 集合X上的具有下列性质的二元关系(binary rela-tion)R任XxX二 l)对任意x:义只义(自反性(代倪xi访ty)); 2)义RJ，冷夕撇(对称性(s yrnrnetry”; 3)x脚八y几冷x几(传递性(。双瑙迈讨ty夕). 如果f是集合X到集合y内的映射，则关系R“{(x，，习二fx、二久}是一等价关系. 对任意y任X，所有与y等价的x组成的集合U任X称为是y的等价类(闪比讼1日篮笼cla铝).任意两个等价类要么不相交，要么重合，也就是说，任意一个等价关系定义了X的一个分划，反之亦然. B.H.rp“吐山时撰张锦文、赵希顺译
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