利用有限差分法求解GMA二维电磁场问题，在超磁致伸缩电—机械转换器结构研制的基础上，结合有限差分法计算原理及应用问题对GMA的电磁场进行数值计算。
The paper describes the two-dimension electric-magnet field of the GMA by the finite different method including its theory and application. Also the structure and principle of GMA is studied.
利用有限差分法求解GMA二维电磁场问题，在超磁致伸缩电—机械转换器结构研制的基础上，结合有限差分法计算原理及应用问题对GMA的电磁场进行数值计算。
The paper describes the two-dimension electric-magnet field of the GMA by the finite different method including its theory and application. Also the structure and principle of GMA is studied.
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