在结半径比较小的情形给出电流密度分布、磁场强度分布以及临界电流值的近似解析公式。
Approximate analytic solutions of cur-rent and magnetic field distribution and the critical current are obtained when the radius of the junction is very small.
分析结果可作为进一步讨论电流变液屈服应力以及临界电场强度的基础。
The result can be used in further study about the yield-stress and critical electric field strength.
对于金属导体引起的电场不规则畸变，采用有限元的方法计算场强以验证是否超出临界值。
And finite element method was adopted to calculate the electric field strength to find whether it is beyond the critical.
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