spacial modal analysis method 空间振型分解法
complex modal analysis method 复模态分析法
modal cost analysis method 模态价值分析方法
Under the condition of without considering tire stiffness, multiple theoretical models of interaction of vehicle-simply supported girder bridge system are established. Using modal analysis method and free vibration theory, bridge frequency under vehicle load can be solved.
3、在不考虑轮胎刚度的情况下和在考虑轮胎刚度的情况下,分别建立了多个车辆—简支梁桥系统相互作用的理论模型,利用模态分析方法和自由振动理论,求解出车辆作用下的桥梁有载频率。
参考来源 - 中小跨径梁式桥动力检测技术及损伤识别方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The results here are consistent with those given by the complex modal analysis method when it is applicable.
在较特殊的条件下，与复模态分析法的结果是一致。
Operational modal analysis method of bridge was built based on frequency domain and spatial domain decomposition.
利用频域-空间域分解法，建立桥梁运行模态识别方法。
A flexible model of multi-axle vehicle ride comfort is presented by combining the vibration theory of elastic beam and modal analysis method.
运用弹性梁弯曲振动理论和模态分析法建立了多轴汽车平顺性分析的柔性模型。
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