喷丸过程和随后的接触疲劳滚压过程同属在赫兹应力作用下的循环弹塑性应变过程。
Both shot peening and contact rolling belong to the cyclic elastic-plastic deformation process under the action of Hertz stress.
基于实验结果和理论分析，提出了一个考虑弹塑性应变幅比重不同的损伤公式，并与其它五种损伤公式寿命预测的结果做了比较。
On the basis of the experimental results and theoretical analysis, a damage formula about the difference of plastic strain and elastic strain is put forward.
热弹塑性有限元法和固有应变法是焊接变形预测的两种主要数值方法。
Thermal-elastic-plastic and inherent strains FE methods are two means, which have been applied to the prediction of welding deformation.
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