| 1. | The harmonic vibration of infinite plate on transversely isotropic saturated soil ground 横观各向同性饱和地基上无限板的稳态振动 |
| 2. | An integral transform solution of rectangular foundation loaded steady vibration on an elastic half space 弹性半空间上矩形基础稳态振动积分变换解 |
| 3. | After understanding the literature background of this topic , the research expands in this paper 在充分了解学科背景后,对冰激结构稳态振动进行了展开。 |
| 4. | This paper analysis the reason of the steady state vibration , gives out the theoretical dependence to the engineering design 本文系统的分析了冰激直立结构稳态振动现象产生的原因,为工程设计中避免稳态振动的发生提供了理论依据。 |
| 5. | The main purpose is to investigate different fault mechanism in rotating machinery , such as imbalance , misalignment , or imbalance with misalignment conditions , etc 其目的是探讨旋转机械在转动不平衡、偏心、基座松动及综合性等不同类型故障发生时,所生成的非稳态振动消息。 |
| 6. | In order to discuss profoundly , main opinions on this topic is listed and their rationality and applicability is discussed , especially on whether it can be used to explain the lock - in phenomenon 总结了国内外现有的冰激结构振动观点,分别指出其局限性,尤其关注其模型能否解释稳态振动的产生和锁定。 |
| 7. | At the same time , the problem described above was solved in the frequency domain and the analytical solution for lateral steady response of single pile with finite length or with infinite length was developed under different boundary conditions 同时,对上述同一问题在频域内进行求解,得到了各种边界条件下的有限长桩和无限长桩水平稳态振动解。 |
| 8. | Full scale tests conducted at the bohai sea liaodong bay to research the interaction between moving ice sheet and structure have revealed four regimes of vibration modes , in which the steady state vibration is the most serious one 基于现场原型测量,系统的研究了冰与圆柱型柔性结构相互作用问题,发现了冰与平台相互作用存在的四种冰振行为,深入探讨了其中最为严重的稳态振动现象。 |
| 9. | Based on the different work states of engine , the engine vibration signal collected in it ' s steady work conditions is analysed by the technique of confrequency spectrum ; the signal related to the fast run - up state is processed by stft and wavelet analysis 根据发动机的工作特点,将振动信号分为稳态振动信号和过渡态振动信号。稳态信号采用传统的傅立叶分析方法,过渡态信号采用了短时傅立叶变换和小波方法。 |
| 10. | Secondly , this paper develops a coupled model between ice and structure after knowing the constitutive behavior of sea ice ; focus on the effects of wing cracks to the coupled vibration . and the stability of steady state vibration is also discussed qualitatively 把冰激直立结构稳态振动定性为由于海冰的非线性力学性质导致的非线性振动,证实了稳态自激现象的存在,提出了海冰的微裂纹损伤行为在稳态自激振动中起到控制作用。 |