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首页> 外文会议>Modelling of Mechanical and Mechatronics Systems >The use of the experimental optical technique for investigation of shear strains of the samples exposed to shear stress beyond the yield point
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The use of the experimental optical technique for investigation of shear strains of the samples exposed to shear stress beyond the yield point

机译：实验光学技术用于调查样品的剪切应力超出屈服点的剪切应力

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Objective of the article is option use utilization experimental DIC-Digital Image Correlation method for strain fields detection. For experiment execution was used Dantec Dynamics Q 400 system. Article describes in brief system characteristic in necessary parameter settings for succesful measurement execution. For strain fields detection was used three different geometry samples with reference to uprise stress in the most stressed cross-section where samples effect shear strain. Samples load tension machine were evaluated by ISTRA 4D program. Goal of article is to point to shear strain evaluation in large plastic deformation execution options with restriction by failure stochastic pattern required for point correlation at structural element deformation. There is many elements stressed in manufacturing practice by shear strain where numeric methods are heavy-handedness realised mainly for difficult geometric shape and impossibility of use in real condition.
机译：物品的目的是选择用于应变场检测的利用实验DIC - 数字图像相关方法。对于实验执行，使用了DANTEC动态Q 400系统。文章在简要介绍了用于成功测量执行的必要参数设置中的简要系统特征。对于应变场，使用三种不同的几何样本使用三种不同的几何样本，参考样本效果剪切应变的最强调横截面中的Uprise应力。样品负载张力机由ISTRA 4D程序评估。物品的目标是指向大型塑性变形执行选项中的剪切应变评估，通过在结构元件变形下点关节所需的故障随机图案的限制。通过剪切应变，在制造实践中强调了许多元素，其中数值方法是沉重的，主要用于难以实现难以造成的几何形状，并且在实际情况下使用不可能。

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