定子导磁铁轭为中空圆柱形，由导 磁金属材料制成；
Guide magnet yoke of stator is hollow circular cylinder shaped, and is made up of magnetic conduction metallic material;
针对其在自应力管中的应用，提出多层中空圆柱理论计算模型，按弹性理论计算出自应力管初始应力分布规律。
Theoretical model for the calculation of multi-lager hollow cylinder is proposed for the application to concrete pipes. Imitial stress distribution is Calculted on the basis of linear clastic theory.
本文分析了渗水力对中空圆柱试件应力场的影响，首次揭示了中空圆柱试件水力劈裂破坏的力学机理，试验值与理论分析值相互吻合。
The paper studies the effect of seepage force on the stress field of hollow cylinder of compacted cohesive soil revealing for the first time the mechanism of hydraulic fracturing test.
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