reaction spring

The vertical electric magnetic force between LIM and reaction plate which dynamically varied with the air gap is simplified as special linear spring.

直线电机和反力板间的垂向电磁作用力随气隙值动态变化，将其简化为特殊的线性弹簧。

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This was attributed to the influence of frost action in the outer exposed area of the dam after excluding many factors such as measurement errors, foundation movement, alkaline aggregate reaction and spring floods.

多年的研究排除了观测误差、坝基变形、碱骨料反应及春汛等因素的影响，认为是由冻胀引起的。

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More than half a century later the tensions have surfaced again in the reaction to the Arab spring.

半个多世纪后，在应对“阿拉伯之春”的过程中，紧张局势再次浮现。

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A series of elastic spring were used to simulate the soil reaction to structure and a equivalent linear iterative approach was used for simulating the soil nonlinear behavior in the finite element analysis in this paper.

在有限元分析中，本文采用一系列弹性弹簧单元模拟土作用，通过反复的等效线性迭代过程模拟土对结构的非线性。

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