Open AccessComputational study of the effect of pump mounting to foundation compliance on pump natural frequencies
Author(s) -
Andrii Yashchenko,
A. Verbovyi,
A. A. Rudenko
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1741/1/012042
Subject(s) - casing , workbench , rotor (electric) , foundation (evidence) , engineering , bearing (navigation) , vibration , structural engineering , mechanical engineering , compliance (psychology) , modal analysis , modal , finite element method , computer science , materials science , acoustics , physics , artificial intelligence , psychology , social psychology , archaeology , polymer chemistry , visualization , history
This article deals with the development of more accurate models of high-performance pump machines, which are mounted onto the foundation by means of compliant supports. These models demonstrate dependence between support foundation compliance and dynamics of pump elements such as rotor, pump casing and casing of pump bearings. After application of these approaches, the method of vibrational calculation with variable values of support compliance taken into account is provided. This task has been performed by using the multifunctional program complex ANSYS Workbench. In particular, the investigation employs the Modal Analysis subprogram, which implements the finite element method at the tasks of vibration analysis of constructions. The degree of effect of pump baseplate compliance on the rotor dynamics behaviour has been determined. Data charts of dependencies of rotor, pump casing and bearing housings natural frequencies on pump mounting to foundation compliance have been obtained.