This paper studied the reanalyzes method of the structure when stiffness changed in local area.
研究结构局部刚度改变时的结构重分析方法。
In the case of negative stiffness, the method is convergent and conditionally stable.
在负刚度条件下，该法是收敛的和条件稳定的。
The replacement foundation modulus was ensured by the method of equivalent-stiffness.
采用等刚度法确定换填基础模量；
The replacement foundation modulus was ensured by the method of equivalent-stiffness.
采用等刚度法确定换填基础模量；
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