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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Numerical method for low-frequency electromagnetic fields and its applications
低频 电磁场数值 低频涡流场 有限元编程
2023/4/13
本报告首先回顾传统低频涡流场的两种计算格式，指出有限元编程实现过程中的基函数选择以及需要注意的难点问题。第二部分针对静磁场问题，通过引入规范条件提出了一种基于矢量磁位和磁场强度的新型的对偶格式，该方法通过巧妙构造基于矢量磁位和磁场强度的计算格式，整体矩阵完全一致并且可以给出系统电感参数的上下界，在实际参数提取中有很好的应用前景。在第三部分，由于传统低频涡流场近似不能有效考虑分布电容效应，而传统高频...
Electromagnetic fields in air of traveling-wave currents above the earth
Electromagnetic fields air of traveling-wave currents the earth
2015/10/16
The problem of the electromagnetic field created by a thin, straight conductor of infinite length carrying a forward traveling-wave current with a complex propagation constant g above a homogeneous an...
Analytic approach for calculating transmitted electromagnetic fields through a slot array in deep sub-wavelength regime
calculating transmitted electromagnetic fields deep sub-wavelength regime
2011/9/5
For the di raction of an incident plane electromagnetic wave by a slotted metallic lm, the previous analytical calculation for a single slot [Technical Phys. 50, 1076 (2005)] is generalized into a mo...
Beta decay and other processes in strong electromagnetic fields
Beta decay other processes strong electromagnetic fields
2011/1/5
We consider effects of the fields of strong electromagnetic waves on various characteris-
tics of quantum processes.
Nonadiabatic Phase and Persistent Currents for System of Spin-1/2
Particles in Presence of Electromagnetic Fields and Spin-Orbit
Interaction
Aharonov-Casher effect spin
persistent current
2007/8/15
2004Vol.41No.2pp.305-310DOI:
Nonadiabatic Phase and Persistent Currents for System of Spin-1/2
Particles in Presence of Electromagnetic Fields and Spin-Orbit
Interaction
LI Nian-...
期刊信息
篇名
Apoptosis of Ehrlich mouse ascites cells induced by long-term exposure of weal electromagnetic fields in vivo
语种
英文
撰写或编译
撰写
作者
焦鸿丽,王彦,张锦珠
第一作者单位
中国科学院生物物理所
刊物名称
Electro-and magnetobiology : 2...
In this work, we investigate the effects of torsion on electromagnetic fields. As a model spacetime, endowed with both curvature and torsion, we choose a generalization of the cosmic string, the cosmi...
Natural Terrestrial electromagnetic fields of extremely low frequencies and detection of periodic gravitational radiation
electromagnetic fields periodic gravitational radiation
2010/4/15
The present research is connected with nontraditional ways of detecting periodic gravitational radiation. Some records of extremely low frequency variations of electromagnetic fields of Earth with ext...