Impact of Cable Pre-Tension over the End Point Vibrations for Beam Systems

Uğur Alphan Ortaçeşme, M. Akdağ
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引用次数: 0

Abstract

Beam systems are used in many areas today. They are preferred because of their light weight, high efficiency, high operating speed and low cost, but their excessive vibration causes problems. In order to prevent these vibrations, the rigidity of the system must be high. At this point, the use of cables is of great importance. Cable tensions affect the rigidity of the system. Cabled structures are preferred because lightweight stiffening, easy deployability, and shape control capability. In addition, they are also used in large-sized structures, as they can transmit their effects over long distances. In this study, a linear velocity applied to a flexible beam is given, trapezoidal velocity inputs are given and various acceleration conditions are considered. In the model, natural frequencies are investigated for cableless and cabled situations with different pre-tension values applied. The changes in the endpoint vibrations were investigated by using the transient analysis method via ANSYS workbench. Thus, the effectiveness of using cable pre-tension in beam systems has been demonstrated.
钢索预张力对梁系末端振动的影响
如今,许多领域都在使用光束系统。由于其重量轻,效率高,运行速度快,成本低,是首选,但其过度振动造成的问题。为了防止这些振动,系统的刚度必须很高。在这一点上,电缆的使用是非常重要的。电缆张力影响系统的刚度。首选电缆结构,因为重量轻,加强,易于部署,形状控制能力。此外,它们也用于大型结构,因为它们可以远距离传输其效果。本文给出了作用于柔性梁的线速度,给出了梯形速度输入,并考虑了各种加速度条件。在模型中,研究了施加不同预张力值的无缆和有缆情况下的固有频率。在ANSYS工作台上,采用瞬态分析方法研究了末端振动的变化。因此,在梁系统中使用索预张力的有效性已得到证明。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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