This paper presents a method to analyze the fatigue damage growth and to estimate the damage of the hammer-foundation system due to repeated impact based on the concept of damage mechanics.

用损伤力学的概念提出了一种研究由锻锤锻打引起锻锤基础系统的疲劳损伤增长和疲劳寿命估计的方法。

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And it is a start when the damage is considered. That using a correct material constitutive equation is the foundation to set up a mechanics model.

采用材料恰当的本构关系是建立各类工程问题力学模型的基础。

youdao

And it is a start when the damage is considered. That using a correct material constitutive equation is the foundation to set up a mechanics model.

采用材料恰当的本构关系是建立各类工程问题力学模型的基础。

youdao