采用二维轴对称坐标系和按规定速度运动的任意四边形网格单元,燃烧室可具有较复杂的几何形状。
Two-dimensional axisymmetrical coordinates and mesh cells with the shape of an arbitrary quadrilateral are employed, which can move with a pre-scribed velocity.
本文对电力系统分析计算中的对称分量法进行了评述,并与相坐标法进行比较。
The widely used symmetrical coordinates method for power system analysis is reviewed and com-pared with the direct phase coordinates method.
通过合理地选择坐标轴,使对称连杆曲线的离散数据满足共轭对称性。
By properly setting the coordinate axis, the discrete data of a symmetric coupler curve are made to satisfy the conjugate symmetry.
并通过坐标变换简化了VSC的功率传输方程,还采用不对称触发策略设计了VSC的传输功率控制系统。
The power transmission equation of VSC is simplified by coordinate transformation, and the control system for transmitted power of VSC is designed by use of unsymmetrical triggering method.
利用SH散射的对称性和多极坐标方法构造了问题的位移解。
The displacement solution is constructed by applying the symmetry of scattering of SH-wave and the method of multi-polar coordinate system.
研究有多余坐标完整系统的对称性与守恒量。
The unified symmetry and conserved quantity of the holonomic mechanical systems with remainder coordinates are studied.
本文研究如何利用图形的对称性,适当地选取坐标,达到利用简短的编程使图形在电脑中实现。
This article is a study of using brief programmes to draw figures in computer through the symmetry of graphs and correct choices of coordinates.
根据对称内坐标和力常数的位能分布计算,进行了阴离子的红外光谱的归属。
The infrared spectra are therefore assigned on the basis of the calculation of the potential energy distributions of both che internal symmetric coordinates and the force constants.
为改善逆变器系统在严重不平衡负载情况下输出电压的对称性,文中提出一种新颖的控制策略——旋转坐标系下的PIR - P双环控制。
This paper presents a new method that PIR-P dual loop control based on rotating coordinates to improve the output voltage symmetry of inverter under the serious unbalanced load condition.
测量点坐标左右对称点表明的是左侧点坐标,右侧与左侧对称。
The symmetrical points of the coordinates of measurement points indicate coordinates of the points left, and the right and the left are symmetrical.
通过合理地选择坐标轴,使对称连杆曲线的离散数据满足共轭对称性。
By properly setting the coordinate axis, the discrete data of a symmetric coupler curve is made to satisfy the conjugate symmetry.
研究准坐标下完整力学系统在时间不变的无限小变换下的统一对称性。
This paper discusses the unified symmetry of a holonomic mechanical system in terms of quasi-coordinates under special infinitesimal transformations in which time is not varied.
具体推导了柱坐标下的有限元列式,并给出了周期对称边界条件的处理方法。
FEM formula in the cylindrical coordinates system is derived and the methods of dealing with the periodic symmetric boundary coordinates are given.
本文讨论了参数方程和极坐标方程表示的曲线的对称性,给出了判定这两种曲线的对称性的充分条件。
In this paper, the symmetry of curved lined given by parametric equation and polar coordinates equation is discussed and the sufficient conditions are given.
提出了一种基于相坐标系的配电网三相不对称解耦的状态估计算法。
A new algorithm for state estimation based on the fast decoupling of distribution system's asymmetrical phases in phase coordinates is proposed.
气相控制方程为欧拉坐标系中的二维轴对称n - S方程,求解方法为隐式LU -SGS方法。
Gas governing equations are two dimensional axisymmetric N-S equations in Eulerian coordinates, which were solved by implicit LU-SGS method.
根据对称内坐标和力常数的位能分布计算,进行了阴离子的红外光谱的归属。
The infrared spectra are therefore assigned on the basis of the calculation of the potential energy distributions of both che internal symmetric coordinates and the fo...
根据对称内坐标和力常数的位能分布计算,进行了阴离子的红外光谱的归属。
The infrared spectra are therefore assigned on the basis of the calculation of the potential energy distributions of both che internal symmetric coordinates and the force constant...
运用对称性简化计算柱面坐标三重积分,并给予证明。
This paper indicates and proves the method of making use of symmetry to predigest calculation of cylindrical coordinates triple integral.
用分步计算和广义球面坐标变换两种方法对椭球体绕对称轴旋转的转动惯量进行了计算,计算表明,后一种方法简单、实用,在工程实际中有应用价值。
The rotary inertia of an ellipsoid rotating around the symmetry axis is calculated by use of the divided calculation and the extensive spherical coordinate transformation.
层状压电压磁弹性材料的空间轴对称问题:在柱坐标下,建立了横观各向同性压电压磁弹性材料空间轴对称问题的状态变量方程。
Axisymmetric problem: The state vector equation of transversely isotropic axisymmetric space magneto-electro-elastic media is established in a cylindrical coordinate system.
确定了物体对称轴的取向后,可使用坐标变换方法,将轴对称物体的对称轴旋转到某一特定的取向,便于使用特征面积分布作为特征参数进行快速的目标分类识。
By rotating the symmetry axis of a target into a defined orientation, it is efficient for target recognition to use the feature area distribution as a parameter.
首先,图像以频率坐标轴的中线为轴对称。
First of all, note that the graph is symmetric with respect to midline of the frequency axis.
采用坐标变换法导出了圆筒空间轴对称问题稳态热传导温度分布的关系式。
Using the variable transformation method, the formulae of the axial symmetrical wall temperature distribution during steady heat conduction of a hollow cylinder are derived in this paper.
在分析现有纳米三坐标测量机结构的基础上,提出了一种新型的四面对称式桥架结构。
The new structure named symmetrical-bridge is developed based on the analysis of conventional Nano-CMMs.
在分析现有纳米三坐标测量机结构的基础上,提出了一种新型的四面对称式桥架结构。
The new structure named symmetrical-bridge is developed based on the analysis of conventional Nano-CMMs.
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