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.
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。
In the method the modal strain energy of an element is divided into tension modal strain energy, torsion modal strain energy and bending modal strain energy.
该方法将单元模态应变能分解为拉压、扭转和弯曲模态应变能，利用单元的主要模态应变能分量与结构固有频率的改变量对结构裂纹位置进行识别。
The thesis combines finite element method, modal strain energy of change, and statistic method, develops a sort of damage statistic identification method.
本论文结合基于模态应变能改变的损伤识别方法、随机有限元法、概率统计方法，得出一套基于模态应变能改变的损伤统计识别方法。
The thesis combines finite element method, modal strain energy of change, and statistic method, develops a sort of damage statistic identification method.
本论文结合基于模态应变能改变的损伤识别方法、随机有限元法、概率统计方法，得出一套基于模态应变能改变的损伤统计识别方法。
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