stress-optic law

And on basis of this, pointed out metal flowing state and the distribution law of equivalent plastic stress-strain in deformation, described directly out spiral bevel gear forming process and equivalent strain-strain distribution curve, revealed out metal deformation rule during rolling process.

并在此基础上，得出变形中金属的流动状态和等效塑性应力应变分布规律，直观描述出螺旋锥齿轮成形过程及等效应力&应变分布、曲线，获得了轧制成形金属变形规律。

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The Distribution Law of Welding Residual Stress in Heavy Plate

厚板焊接中焊接残余应力的分布规律

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In this thesis, the combined theory of strength and stability is discussed from the derived proportional law-stress-strain relation and the balance state of beam complex bending-the basis of the combined theory of strength and stability.

本文从应力应变关系衍生比例定律到强度稳定综合理论的基础梁柱复杂弯曲的平衡状态，将强度稳定综合理论在原有的基础上从新总结论述。

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Radius affected by pressure and average mass conservation are utilized for studying spherical indeterminate percolation of power law fluid with yield stress.

用压力影响半径和平均质量守恒方法，研究具有屈服应力的幂律流体的球形不定常渗流。

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It is necessary to conduct the accelerated multi stress aging test on motor stator bar specimen in order to explore its aging law, assess its remaining life and find a set of characteristic parameters which can indicate the condition of the insulation.

为了研究主绝缘老化机理，评估其剩余寿命，需要对电动机定子线棒进行多因子应力综合老化试验，并寻找能反映主绝缘老化程度的特征参量。

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