一种磁偶极子源三维磁场的计算方法  

A COMPUTATION METHOD FOR THE THREE-DIMENSIONAL MAGNETIC FIELD OF MAGNETIC DIPOLE SOURCE

作　　者：仵杰[1] 周新刚[1] 张辉辉[1] 王昭[1] 刘珍[1] 

机构地区：[1]西安石油大学光电油气测井与检测教育部重点实验室

出　　处：《国外测井技术》2011年第5期17-19,3,共3页World Well Logging Technology

摘　　要：磁偶极子是基本的磁单元,在阵列感应测井中为了降低问题的复杂度可以将发射线圈等效为一个磁偶极子源。本文基于矢量有限元,针对三维电磁感应模拟中磁偶极子源的计算提出了一种新的处理方法,极大地减小了有限元计算的内存耗费和运行时间,并且取得了很好的计算效果。Magnetic dipole is a basic magnetic cell. In order to reduce complexity in array induction logging, the transmitting loop can be equivalent to a magnetic dipole source.In the paper a new computation method is proposed for the magnetic dipole source in three-dimensional electromagnetic induction simulation based on vector finite element, which reduces the internal storage consumption and runtime in finite element computation.It has achieved good result.

关 键 词：感应测井 磁偶极子源 波动方程 矢量有限元 棱边元 

分 类 号：O241.82[理学—计算数学]