cable sag meaning in English
绳擞度
绳索挠度
Examples
- The cable sag caused by cable dead weight is vertical .
由钢索自重引起的垂度是竖向的。 - However , the taut string theory may cause unacceptable errors in many applications by ignoring the cable sag and bending stiffness
但弦理论没有考虑拉索的垂度和抗弯刚度，在很多实际应用中将带来不可接受的误差。 - Chapter 4 time - dependent computational simulation of the response of cable - suspension feed system in gusty wind based on the time - independent structure finite element method , and with consideration of the movement laws of cabin , a 3 - d time - dependent structure finite element model formulated by a new method named iss method ( instantaneous structure supposition method ) to deal with the vibration response of cable - suspension feed system in gusty wind is presented . in the model , all sources of geometric non - linearity , cable sag and changes of cable geometry due to large displacement , are fully considered
基于时不变结构的有限单元法，在综合考虑馈源舱运动规律的基础上，提出了时变系统的瞬时结构假定法，通过将悬索离散为索杆单元，建立了系统的时变有限元模型，该模型充分考虑了悬索的垂度和大变形等几何非线性因素，应用ne 。 - Taking the bending stiffness , cable sag and cable inclination into consideration , the space vibration control of the cables using the visco - elastic dampers in cable - stayed bridges is investigated by joining the center difference method and the state space strategy . both the maximum modal damping ration and the optimal damper size are obtained , then the practical suggestions are proposed for the design of the dampers . the space nonlinear vibration equations of the cable - damper system are derived , and a new hybrid method for solving the cable - damper system is presented by combing the newmark method and pseudo - force technology
综合考虑了拉索抗弯刚度、垂度的影响，研究了粘弹性阻尼器对斜拉桥拉索的空间振动控制，联合中心差分方法及状态空间法，得出了拉索面内、外振动各阶模态可能达到的最大阻尼比及相应的最优阻尼器系数，并对斜拉桥拉索的阻尼器设计提出了参考建议：考虑拉索抗弯刚度、垂度及几何非线性，导出了索-阻尼器系统的空间振动非线性方程组，结合newmark方法及伪力( pseudo - force )方法，创新地提出了求解非线性方程组的杂交方法，根据拉索-阻尼器系统的阻尼特性，在各种荷载作用下，对索-阻尼器系统的非线性瞬态振动响应进行了研究，从系统响应的角度更加直接地验证了阻尼器的控制效果。 - The cable sag and bending stiffness effects are studied on the higher natural frequencies of cable vibration . it is found that the differences of the higher adjacent frequencies go to the fundamental frequency of the taut string theory even though the cable sag or bending stiffness is included . this unique characteristic of cable vibration is used to determine the cable tension with the well - known taut string theory
2 .考虑垂度和抗弯刚度对高阶自振频率的影响，探讨了索相邻频率之差，发现索的高阶频差就是弦振动理论的基频，利用这一特性，分析了频差法测索力的精度和适用范围。