材料在外力作用下产生变形，当外力取消后，材料变形即可消失并能完全恢复原来形状的性质称为弹性。这种可恢复的变形称为弹性变形。
二、弹性形变和粘性流动 弹性变形(elastic deformation) 弹性变形：给固体施加外力时，固体就变形，外力解除时，固体就恢复到原有的形状，这种可逆的形状变化称为弹性变形。
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The elastic deformation of multi-joint arm is associated with its pose configuration,which may affect measurement accuracy.
测量臂杆件和关节的弹性变形与臂的摆放构型相关,会影响臂的测量精度。
参考来源 - 基于测量臂构型的单点残差修正方法In this paper, on the basis of considering the shaft quality and shaft torsion flexible deformation influence, we derived elastic bearing flexible rotor system dynamics model in consideration to the influence of bearing rigidity and rotational speed.
本文在考虑轴的弯曲,扭转等所有弹性变形影响的基础上,推导考虑轴承刚度和转速影响的弹性支承柔性转子系统动力学模型。
参考来源 - 弹性支承—柔性轴转子系统动力学研究This paper at first discussed the calculation methods for elastic deformation of main bearings.
本文首先叙述了主轴承表面弹性变形的计算方法。
参考来源 - 计及曲轴和机体变形的曲轴轴承弹性流体动力润滑分析Rigid-body motion and elastic deflection, and also their coupling effects are considered. The tension-only character of cable is reflected.
同时考虑了展开过程中的刚体机构运动与弹性变形以及两者的耦合效应,反映了索的只拉特性,计算展开全过程中的运动轨迹与静定平衡位置。
参考来源 - 可展空间索杆结构展开过程的仿真计算4. After being ompressed rubber absorber occur only elasticity distortion and its volume changes little or changes a little.
4. 橡胶减振器受压后仅发生弹性变形，但其体积不变或变化很小。
参考来源 - 振动压路机的橡胶减振器减振性能试验研究Corresponding relation between the vibration of move mold and elastic distortion of toggles is discovered. The theoretic basis for decreasing vibration and increasing die-clamping precision is offered.
给出五点斜排双曲肘合模机构弹性动力学模型,对肘杆振动的理论计算值和实验结果进行了对比研究,对实测动模板三向振动值进行了小波分析,发现动模板振动与肘杆弹性变形间的对应关系,为减少合模时的振动、提高合模精度提供了依据。
参考来源 - 注塑机曲肘式合模机构弹性振动的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
材料首先发生弹性变形，然后发生塑性变形。
The material will deform at first elastically and then plastically.
大多固体，一经拉伸或弯曲，都会出现弹性变形这一过程。
Most solids, if pulled or twisted, will give a little in a process known as elastic deformation.
当膜力卸除后，周向弹性变形和径向缩短的弹性变形导致回弹。
When the membrane stress is removed, circle elasticity deformation end radial shorten elasticity deformation make for resilience.
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