精化杂交法可以使单元的应变能按假定的应变模式分解,由此得到相应的分解的单元刚度矩阵,而且常常可以推出显式。
By this way the element stiffness matrix can be decomposed into a series of matrices with respect to assumed strain modes.
利用单元局部频率变化率法和单元模态应变能比法,对连续梁桥进行了损伤诊断的数值模拟研究。
Based on element local frequency change ratio method and element modal strain energy ratio method, numerical study is carried on to detect the damage of the bridge.
本文介绍了通过在结构单元上增加或者减少不作功的不同约束点,可以改变结构单元应变能的大小的应变能极小原理。
The thesis recommended the theory of minimum strain energy, which says the total structural strain energy can be changed by the increase and decrease of constraint number.
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