结构局部刚度改变问题在结构有限元计算时常会遇到，例如：结构物个别构件的破坏或损伤，构件的局部屈服等等。
The problem often arrived when finite element analyses for the structure with a few components damaged or some elements yield, etc.
个别电阻表征的热震损伤曲线仅在初始阶段损伤有下降现象。
However, exceptional thermal shock curve expressed by electrical resistance only occurred to drop in the initial stage.
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