The variation of natural frequency and damping ratio with rotational speed of rotating machines was investigated. The natural frequencies corresponding to rotational degrees of freedom were found to be equal at low speed. At high speed of rotor the frequencies were found to deviate but the damping ...
The variation of natural frequency and damping ratio with rotational speed of rotating machines was investigated. The natural frequencies corresponding to rotational degrees of freedom were found to be equal at low speed. At high speed of rotor the frequencies were found to deviate but the damping ...
Natural Frequency This parameter for a single degree of freedom is given by ωn=k/m. Increasing the mass reduces ωn, and increasing the spring constant k increases it. From a study of the damped system, the damped natural frequency ωd=ωn1−ζ2 is lower than ωn. View chapterExplore...
英文: By analysing some different types of isolating configurations, the relations between the natural frequency of rotational vibration and that of the linear vibration have been found. 中文: 通过对几种不同的隔振形式的分析,得到了扭转振动的固有频率与线性振动的固有频率之间的关系。 更详细... 英...
6)vibrational natural frequency振动固有频率 1.The fluid-solid coupling vibration differential equation of piping system was obtained according to the Hamilton principle,and the approximate analytic formulations ofvibrational natural frequencywas obtained by using the Galerkin method.根据Hamilton原理,推导了管路...
System and method for 3D frequency domain waveform inversion based on 3D time-domain forward modeling According to a first preferred aspect of the instant invention, there is provided an efficient method of computing a 3D frequency domain waveform inversion based on 3D time domain modeling. In the...
multi-step beam; exact solution; natural frequency; mode shape. Address Hsien-Yuan Lin: Dept. of Mechanical Engineering, Cheng Shiu University, Kaohsiung 833, Taiwan, Republic of ChinaTechno Press Services Submit your paper Search Journal Subscription Quick Search Techno...
14.The results showed that the mount spacing can be varied to adjust the natural frequency of the rotational mode.结果说明:改变隔振元件的间距能调整扭转振动的固有频率的大小。 15.The vibrator and frame are connected and fixed up and down with the buffer by six groups of soft rubber.振动部与...
In that framework, the position of the fixed point determines the angle of rotations – which unfold at a conserved frequency – and varies systematically with direction of movement, suggesting a link between classical tuning and population dynamics. Similarly, the context-specific functional group ...
A natural expression is referred to the behavior of certain natural phenomena (radioactive decay, charging-discharging a capacitor, frequency response, etc.) being dependent on the functions of e, 3. Common Logarithm: This is a logarithm to the base of 10, Y=log10(X), and it can be ...