Finite Element and Photoelastic Analysis of a Nut and Bolt

机译：螺母和螺栓的有限元和光弹性分析

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The stress distribution in the thread of a bolt loaded by a not has been evaluated using photoelasticity and the finite element method. The technique of three-dimensional stress freezing was used to evaluate the stresses in a nut and bolt connection experimentally. The results from the experimental analysis were used to validate the finite element models and to ascertain the important characteristic of the models. Two finite element models were created, replicating the nut thread run-out in different ways. The results from the model in which the nut thread ended suddenly showed very poor correlation with the photoelastic results, but when the nut thread tapered gradually, a much better correaltion was achieved.

机译：已使用光弹性和有限元方法评估了未加载的螺栓在螺纹中的应力分布。利用三维应力冻结技术，通过实验评估了螺母和螺栓连接中的应力。实验分析的结果用于验证有限元模型并确定模型的重要特性。创建了两个有限元模型，以不同的方式复制螺母螺纹跳动。螺母螺纹突然终止的模型结果显示出与光弹性结果的相关性很差，但是当螺母螺纹逐渐变细时，可以获得更好的矫正效果。

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《SEM IX International Congress on Experimental Mechanics June 5-8, 2000 Orlando, Florida》|2000年|p.359-362|共4页
会议地点 Orlando FL(US)
作者
James W. Hobbs; Eann A. Patterson; Richard L. Burguete; Philip P. Heyes;
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正文语种 eng
中图分类一般工业技术;
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Finite Element and Photoelastic Analysis of a Nut and Bolt

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