Simulasi Getaran Sistem Diskrit Satu Derajat Kebebasan

Vega Amalia Eka Rizky, Muhammad Ganesha, Tono Sukarnoto, Soeharsono Soeharsono

Abstract


Equipment has been made to simulate a discrete system vibration of one degree of freedom. The aim is to obtain equipment for learning for students in the field of mechanical vibration. Vibration simulation includes free vibration and forced vibration of discrete system in one degree of freedom. The main parts of this equipment are rigid rods with mass of 2.6 kg, vibrators with mass of  3.385 kg, spring with stiffness of 3738 N/m and loading masses. A rigid rod of 0.775 m in length is supported by a hinge on one end and hung on a spring in another position. The vibrator is rotated by an electric motor and the rotation can be adjusted from 90-1600 rpm. The vibrator is mounted on a rigid object at the position of 0.285 m, 0.385 m, 0.485 m and 0.585 m from the hinge. A spring with stiffness of 3738 N/m is placed on a rigid object at the position of the hinge. The loading masses of 1.08 kg and 2.08 kg are mounted on a rigid beam in a row at the position of 0.685 m from the hinge. For the free vibration experiments, the natural frequency for each position of vibrator is searched experimentally and theoretically. It is found that the results of the two are similar. For the forced vibration experiments, graphs of vibrational responses are constructed in the frequency domain, then the resonance frequencies are compared to the natural frequency results from the free vibration experiment. Apparently the results are very close. This shows that the research equipment made is reliable and can be used as a student learning tool.

Keywords


simulation; free vibration; forced vibration; discrete vibration system; resonance

Full Text:

PDF

Article Metrics

Abstract views : 3| PDF views : 0

References


Rao S.S., Yap Fook Fah, 2004, Mechanical Vibration, Prentice Hall, Singapura.

Thompson T.W., Dahleh D.M., 1993, Theory of Vibration, Prentice Hall, Singapura.

Soeharsono dan Radite P.A. Setiawan, 2010, “Analytical Study of Self-Excited Vibration on Single Degree of Freedom Vibratory-Tillage,” ARPN Journal of Engineering and Applied Sciences, 5(6), hal. 61-66.

Venkata Siva Kumar Naik dan Sunil Kumar, 2017, “Cracked Cantilever Beam Analysis in Forced Vibration by Using Mat Lab,” International Journal of Advances in Mechanical and Civil Engineering, 4(2), hal. 26-30.

Paweł Rygiel, Wojciech Obrocki, dan Jan Sieniawski, “Numerical Vibration Analysis of Turbine Engine Compressor Blades Depending on Geometry and Position of the Damage,” 2017, Advances in Manufacturing Science and Technology, 41(1), hal. 43-55.

Soeharsono, Radite P.A.S., Tineke M., Wawan H., Asep S., 2011, “Analytical study of self-excited vibration On single degree of freedom vibratory-tillage,” ARPN Journal of Engineering and Applied Sciences, 6(5), hal. 56-60.

Lage Y.E., Neves M.M., Maia N.M.M. dan Tcherniak D., 2014, “Force Transmissibility Versus Displacement Transmissibility,” Journal of Sound and Vibration, hal. 1-14.




DOI: http://dx.doi.org/10.25105/ms.v10i1.4132

Refbacks

  • There are currently no refbacks.


Copyright (c) 2019 MESIN

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

 

http://s11.flagcounter.com/count2/W0a/bg_FFFFFF/txt_000000/border_CCCCCC/columns_2/maxflags_10/viewers_0/labels_0/pageviews_0/flags_0/percent_0/