A new directional element based on the fault component positive sequence reactance (FCPSR) is presented.
提出了基于故障分量正序电抗的方向元件。
The performance of negative sequence directional element widely used in conventional transmission line protection may be affected when it is used in the double transmission lines on the same tower.
由于同杆双回线自身的特殊性，使得在常规线路保护中有着广泛应用的负序方向元件的性能受到影响。
The SH numerical example shows that this new artificial boundary element has a multi-directional transmitting property.
SH波数值分析表明本文有限元模型具有多向波动透射能力。
According to constitutive equations of rock anisot roipy, the relation between deviation of stratum and well inclination in directional drilling has been studied with the finite element method.
从岩石各向导性的本构方程出发，用有限单元法研究了地层倾角与定向钻井井斜之间的关系。
On the basis of making the achievement previously, it was suggested and perfected what the types of the plane unilateral and bi-directional and spatial mapping infinite element.
在早先取得成果的基础上，提出并完善了平面单向、双向映射无限元及空间映射无限单元的类型。
In this paper, the process of directional collapse of high reinforced concrete chimney was discussed with finite element method, combining with engineering experiment.
本文结合工程试验，应用有限元法分析了高大钢筋混凝土烟囱的定向倾倒过程。
A 3d finite element model for calculating the casing stress in the directional Wells was developed based on the theory of coordinate conversion.
基于坐标变换方法建立了适用于任意井眼轨迹的定向井套管应力三维有限元计算模型。
A 3d finite element model for calculating the casing stress in the directional Wells was developed based on the theory of coordinate conversion.
基于坐标变换方法建立了适用于任意井眼轨迹的定向井套管应力三维有限元计算模型。
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