It proposes an approximation method with two variational parameters for finding the eigen-energies by principle of minimal sensitivity.
提出了一种可借助于最小敏感性原理求解本征能量的双变分参数的近似方法。
The slope of flexibility difference was introduced to locate possible damage elements, and the damage extent was estimated using the second order eigen-sensitivity approximation method.
引入柔度差值斜率的概念确定结构可能出现损伤单元的位置，采用基于二阶特征灵敏度的方法确定可能损伤单元的损伤程度。
The mass-normalized mode shapes were obtained from the eigen-sensitivity analysis.
利用特征灵敏度分析得到质量归一化振型。
应用推荐