时变电磁场

时变电磁场唯一性定理的完整表述

New Statement of Uniqueness Theorem for Time-Varying Electromagnetic Field

二维时变电磁场问题中涡流的约束

Constraints of Eddy Current in 2D Time-varying Electromagnetic Field Problems All Changed

时变电磁场作用下金属熔体中的Lorentz力分析

All Changed Analysis of Lorentz force of cast metal under function of varying electromagnetic field

时变电磁场电磁力及其效果分析

Analysis of Electromagnetic Force and Its Functions in Varying Electromagnetic Field

时变电磁场切向边界条件的独立性

The independence of tangential boundary conditions for time - varying electromagnetic field

二维时变电磁场第一边值初值问题广义解的存在与唯一性

The Existence and Uniqueness for the Generalized Solution of the 2D Electromagnetic Field with

计算变压器各向异性非线性时变电磁场的外加电压源时间周期有限元法

Time Periodic Direct Finite Element Method Under Voltage Source of Calculating Anisotropic Nonlinear Transient Magnetic Field in Transformers

从时变电磁场泛定方程和动态矢量位出发，推导出高层建筑物内雷电暂态磁场的计算公式。

An efficient formula is derived from Maxwell equations for calculating the transient magnetic field inside the high buildings struck by lightning .

给出了将非线性时变电磁场有限元方程与电压源激励的电路微分方程相结合的三维场路耦合电磁计算模型。

A3-D field-circuit coupling model which couples the finite element electromagnetic equations with the electrical circuit equations excited by voltage source is proposed .

然后由场的具体性质，得出静电场、恒定电磁场和时变电磁场的边界条件。

The boundary conditions of electrostatic field , the constant electromagnetic field and the time-changing electromagnetic field are derived from the specific properties of field .

本文介绍了现有的几种处理方法，着重讨论时变电磁场数值计算中有效磁导率和复磁导率的计算方法，并论述了二者间的关系。

In the paper , the calculating methods of effective permeability and corn plex permeability in numerical calculation of time varying electro-magnetic field , and the relation ship between the two methods are discussed .

这一设计是在时变电磁场的特例&零频（直流电）完成实验验证的，是直流电／磁隐形领域完整理论的重要组成部分。

The device accomplishes its test under a special case of time-dependent electromagnetic fields that is zero frequency ( direct current ) . It is an important part of the complete electricity ( magnetic ) invisibility theory .

本文提出外加电压源时间周期有限元法计算变压器中各向异性非线性时变电磁场，并推导出相应代数方程组的对称牛顿&拉夫逊单步法迭代格式，最后给出实际算例。

In this paper , the time periodic direct finite element method under voltage source is proposed in order to calculate the anisotropic and nonlinear transient magnetic field in transformers and a symmetric Newton-Raphson single step formulation for anisotropic and nonlinear problems is derived .

本文详尽介绍了电磁理论中的格林函数法、静态和时变电磁场分离变量法及电磁场边界条件的规律性，这对从事电磁场工作的同志有着一定的指导作用。

This paper elaborates the regularity of such analytical methods as Green Functions and variable separating methods in static and time-varying electromagnetic theory as well as the boundary conditions of electromagnetic fields , which will act as a valuable guidance for researchers engaged in electromagnetic fields .

陈述了变电站隔离开关动作时产生的瞬变电磁场对变电站二次设备及电子设备的危害，归纳出该瞬变电磁场持续时间短、幅值大及含有大量高频分量的特征；

The characteristics of transient electromagnetic fields caused by operation of disconnector are described .