| 1. | Bending vibration analysis of composite transmission shaft 复合材料传动轴的弯曲振动分析 |
| 2. | Alpine skis ; measurement of bending vibrations 高山雪撬.弯曲振动的测量 |
| 3. | Alpine skis . measurement of bending vibrations 高山雪撬.弯曲振动测量 |
| 4. | Out - of - plane bending vibration 面外弯曲振动 |
| 5. | In - plane bending vibration 面内弯曲振动 |
| 6. | Characteristic value calculating of bending vibration of bridge structures based on perturbation methods 基于摄动法的桥梁结构弯曲振动特征值计算 |
| 7. | Based on fem the bending vibration modals in the plane of this stator are analyzed and the symmetrical characteristic of this stator is given and the stator prototype is experimental investigated 采用有限元数值方法分析了该种振子可以利用的面内弯曲模态,给出了对边两两激励的一种对称模式,并就所研制的振子模型,进行了实验研究。 |
| 8. | Based on mechanical vibration theory , with the torque divider ' s structure unchanged , there exist two kinds of approach to reduce the resonance : one is keeping the bending vibration frequency away from the excitation frequency , the other is increasing the modal damp 根据机械振动理论,在不改变分动器结构设计的条件下,采用两种方法降低螺栓共振响应:一种是将弯曲模态频率移出激励频带;另一种是提高弯曲模态的阻尼比。 |
| 9. | Aimed at the rotor bearing system of 300 mw steam turbogenerator set and on the basis of establishing its concentrated general model with 8 supportings and 9 nodes , a study was carried out on the bending vibration response of the most left end surface of shafting and of the right end face of generator 摘要针对300mw汽轮机组转子轴承系统,在建立其8支承9节点集总模型的基础上,对轴系最左端面和发电机右端面的弯曲振动响应进行研究。 |
| 10. | 2 ) the value of base frequency , which is the first order vertical - bending vibration , is bigger in box girder bridges than those of t - beams . it shows that the vibration performance of box girder bridge is better than t - beams . 3 ) when considering the shear deformation of beam , the vibration frequency calculated by is bigger than those not considering the shear deformation T型梁的基频为横向振动,而整体箱梁的基频为竖向弯曲振动;整体箱梁的一阶竖弯振动的频率比t型梁得到了提高;整体箱梁的动力性能优于t型梁;考虑剪切变形后,梁的自振频率降低,对于整体箱梁其降低值接近于5 ,在分析时不应忽略。 |