TY - JOUR
T1 - Finite element modelling of the dynamics of groovy ball bearings
AU - Ajala, Olamide
AU - Pavlovskaia, Ekaterina
AU - Weircigroch, Marian
N1 - This work is performed using Maxwell High Performance Computing (HPC) cluster of the University of Aberdeen IT Service (www.abdn.ac.uk/stanet/research/researchcomputing), provided by Dell Inc. and supported by Alces Software.
PY - 2018/2/2
Y1 - 2018/2/2
N2 - Geometry modified thrust bearings exposed to rolling and sliding contact are subjected to wear and localized frictional heating caused by relative slip between the two sliding surfaces. This leads to a rise in temperature, thermal stresses and changes in the elastic and plastic strength and physical properties of the material. The changes in the properties in turn alter the stress state, the displacement field, life and reliability of the bearing. Hence, a finite-element model is created to study the dynamics of groovy thrust bearing. In this paper, Hertz contact theory and numerical method are used to simulate the dynamics and kinematics of groovy ball bearings. The optimal loading parameters are identified in this study based on the analysis of the system responses and properties. The results of the numerical analysis and validation are presented. The numerical analysis proves the concept of transforming rotational motion into axial oscillation and demonstrates the capabilities of the numerical simulation to accurately model the dynamics of the groovy ball bearing.
AB - Geometry modified thrust bearings exposed to rolling and sliding contact are subjected to wear and localized frictional heating caused by relative slip between the two sliding surfaces. This leads to a rise in temperature, thermal stresses and changes in the elastic and plastic strength and physical properties of the material. The changes in the properties in turn alter the stress state, the displacement field, life and reliability of the bearing. Hence, a finite-element model is created to study the dynamics of groovy thrust bearing. In this paper, Hertz contact theory and numerical method are used to simulate the dynamics and kinematics of groovy ball bearings. The optimal loading parameters are identified in this study based on the analysis of the system responses and properties. The results of the numerical analysis and validation are presented. The numerical analysis proves the concept of transforming rotational motion into axial oscillation and demonstrates the capabilities of the numerical simulation to accurately model the dynamics of the groovy ball bearing.
UR - http://www.scopus.com/inward/record.url?scp=85041742992&partnerID=8YFLogxK
U2 - 10.1051/matecconf/201814816004
DO - 10.1051/matecconf/201814816004
M3 - Article
AN - SCOPUS:85041742992
SN - 2261-236X
VL - 148
SP - 1
EP - 4
JO - MATEC Web of Conferences
JF - MATEC Web of Conferences
M1 - 16004
T2 - International Conference on Engineering Vibration
Y2 - 4 September 2017 through 7 September 2017
ER -