Pengembangan Algoritma untuk Menganalisis Frekuensi Pribadi Poros dengan Rotor Ganda
Abstract: Vibration analysis
is very essential to be considered in designing a rotor shaft. By the
development of computer technology, the vibration analysis of the rotor shaft
can be easily performed by numeric method. The objective of this research is to
develop an algorithm to determine the natural frequency of a rotor shaft of a
dual rotor system. The equation of motion of the system is derived from the
kinetic and potential energy. By applying Lagrange’s equation and converting
them into matrix form, the equations can be easily solved numerically. Through
this approximation is developed computer program. The model is a rotor system
built of a rotor shaft and two disks. The rotor shaft is numerically divided
into several line elements. From the global matrices of the elements, it is
resolved the eigen values of the system which are then converted into the
natural frequencies. The validation of the program result with analytical
calculation shows a very close result.
Penulis: Amir Zaki Mubarak
Kode Jurnal: jptmesindd120115
