The tests result indicated that modal frequency decreases linear as temperature increasing, but damping ratio don’t show any rule.
试验结果表明:随着温度的升高模态频率呈线性降低,而对于阻尼比的影响则没有明显的规律性。
参考来源 - 动力系统模型定阶及温度对于模态参数的影响研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The modal frequency of the packaging structure increases with the elastic modulus of potting material.
封装结构的模态频率随着灌封胶弹性模量的增大而增大。
Cable local vibration has little effect on the modal frequency, but more on the modal energy distribution.
索的局部振动虽然对结构主要振型的频率影响不大，但对振型能量分布有比较明显的影响。
The modal frequency response and its sensitivity analysis for the coupled system using the direct method and the eigenmodes.
分别采用直接法和模态叠加法，计算声场-结构耦合系统的声压响应水平及其敏度。
应用推荐