| 1. | Experimental analysis of vibration behavior for large - span underground structure 大跨度地下结构振动性态试验研究 |
| 2. | A study on longitudinal vibration behavior of inhomogeneous pile embedded in layered unsaturated soils 考虑桩土耦合作用时弹性支承桩纵向振动特性分析及应用 |
| 3. | Moreover the study of the dynamically response of the blade vibration behavior depending on mass , stiffness and aerodynamics is made 又从质量、刚度、气动力的角度出发,研究该风力机叶片振动的动态响应。 |
| 4. | To meet the acoustic requirements of consumer applications , western digital employs advanced analytical techniques and sophisticated measurement and modeling tools to predict loudness , sound quality and vibration behavior 要满足消费应用产品的声学要求, western digital采用了先进的分析技术以及复杂的测量和建模工具来预测响度音质和振动表现。 |
| 5. | To meet the acoustic requirements of consumer applications , western digital employs advanced analytical techniques and sophisticated measurement and modeling tools to predict loudness , sound quality and vibration behavior 要满足消费应用产品的声学要求, westerndigital采用了先进的分析技术以及复杂的测量和建模工具来预测响度、音质和振动表现。 |
| 6. | By means of structural optimization , not only the weight of structures can be reduced , but also the strength , stiffness , vibration behavior , buckling stability , and other performances of structures can be improved efficiently . structural optimization is an important research direction in the computational mechanics and modern design field 结构优化设计不仅可以降低结构重量和材料成本,而且能够改进结构的强度、刚度、振动特性、屈曲稳定性等性能,是计算力学以及现代设计制造领域的重要研究方向。 |
| 7. | This paper constructs 2d and 3d models of srm and analyzes the vibration model with the finite element analysis software ansys , and studies the affect of the stator ' s structure on the srm vibration behavior , the contrast with experimental result implies that the fea model is close to the real srm for analyzing the vibration characteristics of it 本文以有限元分析软件ansys为工具,建立了sr电机二维和三维的有限元分析模型,分析计算了sr电机的振动模态,研究了sr电机定子结构对其振动模态的影响,并与实验结果进行了对比分析,表明所建立的二维有限元模型对分析sr电机的振动特性有较好的精度。 |
| 8. | Study on the characteristic of piezoceramic actuator is an important step in the studying of undamaged - inspection process based on piezoceramic actuator technology . this thesis firstly dwells on the sample model of piezoceramic actuator under the restriction of concrete . through theory and experimentation analysis , we arrives at a conclusion that the vibration behavior of piezoceramic actuator belongs to that of the thin plate 本文着重研究了在混凝土约束条件下压电陶瓷片的样本模型,在此基础上通过理论探讨和实验现象分析,认为埋置于混凝土中的压电陶瓷片是符合弹性力学中克希霍夫有关薄板理论的假设,是属于薄板振动问题,并确定了其边界约束条件。 |
| 9. | This paper constructs fe models of srm in detail and analyzes the vibration mode and natural frequencies with the finite element analysis software package , and studies the influence of the stator structure of srm , such as stator poles , ribs , mounting feet , terminal block and structure parameters , restriction condition on the srm vibration behavior , the contrast to experiment result implies that the fea model is close to the real model for analyzing the vibration characteristics of srm 本文基于有限元分析方法,主要研究了定子凸极、底座、散热筋,加强筋,接线盒等结构以及结构参数对定子固有频率和振动模态的影响,并且研究了约束条件下的sr电机定子振动特性。本文比较了模态实验与有限元分析结果,表明所建立的二维有限元模型对分析sr电机的振动特性有较好的精度。 |
| 10. | Through discussion and comparison of some numerical results with the corresponding tested results , it demonstrates that the proposed finite volume method can accurately and effectively predict the static large - deflection deformation behavior and harmonically excited and wind - induced vibration behavior . the method is also of high computational efficiency 通过对计算结果进行分析,并将部分结果与实测结果进行比较可以发现,本文的数值方法能够较为准确有效地预测悬索的大挠度静态受力和变形特性,预测悬索的简谐激振、风振等动力响应,并具有较高的计算效率。 |