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Keywords: finite element
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Journal Articles
Article Type: Research Papers
J. Tribol. August 2021, 143(8): 081502.
Paper No: TRIB-20-1343
Published Online: November 24, 2020
...Shreya Saxena; Ahmed Fardan; Rehan Ahmed Contact interactions play an important role in the tribological behavior of engineering materials. This paper develops a finite element model to investigate the contact mechanics and stress distribution of auxetic materials, i.e., materials with negative...
Journal Articles
Article Type: Research Papers
J. Tribol. February 2020, 142(2): 021703.
Paper No: TRIB-18-1430
Published Online: October 17, 2019
...Haibo Xie; Zhanjiang Wang; Na Qin; Wenhao Du; Linmao Qian An integrated finite element and artificial neural network method is used to analyze the impact of scratch process parameters on some variables related to elastoplastic deformation of titanium alloy. The elastoplastic constitutive parameters...
Journal Articles
Article Type: Research-Article
J. Tribol. April 2019, 141(4): 041402.
Paper No: TRIB-18-1299
Published Online: January 22, 2019
...Zamzam Golmohammadi; Farshid Sadeghi A coupled multibody elastic–plastic finite element (FE) model was developed to investigate the effects of surface defects, such as dents on rolling contact fatigue (RCF). The coupled Voronoi FE model was used to determine the contact pressure acting over...
Journal Articles
Article Type: Research-Article
J. Tribol. January 2014, 136(1): 011402.
Paper No: TRIB-13-1065
Published Online: November 26, 2013
...: James R. Barber. 18 03 2013 20 09 2013 In this investigation, a three-dimensional (3D) finite element (FE) model was developed to study subsurface initiated spalling observed in rolling line contact of tribo components such as bearings. An elastic–kinematic hardening–plastic...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2011, 133(4): 042202.
Published Online: October 6, 2011
... Voronoi tessellations wherein each cell represents a material grain and the boundaries between them constitute the weak planes in the material. Fatigue cracks initiate on the weak planes where oscillating shear stresses are the strongest. Finite element analysis is performed to determine the magnitude...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 041501.
Published Online: October 8, 2010
... the analysis through the deformation mechanics and through the contact mechanics. A hybrid finite element-finite volume computational framework is developed to solve the highly coupled governing equations. Viscoelasticity is seen to affect the leakage and friction characteristics of the seal through its...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 041404.
Published Online: October 8, 2010
...Nick Weinzapfel; Farshid Sadeghi; Vasilios Bakolas The continuum theory of elasticity and/or homogeneously discretized finite element models have been commonly used to investigate and analyze subsurface stresses in Hertzian contacts. These approaches, however, do not effectively capture...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2010, 132(3): 031604.
Published Online: July 21, 2010
... with hysteresis damping via the dynamic analysis. In the second procedure, a contact force model with hysteresis damping is used to estimate the joint forces. In the latter case, however, the contact pressure is estimated using a finite element method (FEM). A comparison in performance of the two models...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2010, 132(2): 021502.
Published Online: April 6, 2010
... systems by means of the finite element method. 16 02 2009 26 01 2010 06 04 2010 06 04 2010 elasticity finite element analysis hydrodynamics lubrication machine bearings mechanical contact surface roughness surface topography conformal-contact elastohydrodynamic...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 031902.
Published Online: June 15, 2009
... generation hard disk drive air bearing fly height flying attitude simulation finite element SUPG upwinding coupled system The hard disk drive industry continually faces a demand for higher data areal densities and access speeds. This, in turn, translates into a need for lower fly...
Journal Articles
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011401.
Published Online: November 26, 2008
...Yung-Chuan Chen; Sing-You Lee This study uses an elastic-plastic, coupled temperature-displacement finite element model to investigate the effect of rail corrugations on the wheel-rail thermal contact stress and temperature distribution during wheel braking. The finite element model assumes...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2006, 128(4): 718–724.
Published Online: April 30, 2006
...Yun-Bo Yi A finite element method is used to solve the problem involving thermoelastodynamic instability (TEDI) in frictional sliding systems. The resulting matrix equation contains a complex eigenvalue that represents the exponential growth rate of temperature, displacement, and velocity fields...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2006, 128(4): 761–770.
Published Online: April 25, 2006
...A. Saulot; L. Baillet This paper presents a temporal study using dynamic finite element methods of the dynamic response of a 2D mechanical model composed of a deformable rotating disk (wheel) in contact with a deformable translating body (rail) with constant Coulomb friction. Under global sliding...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2005, 127(4): 713–721.
Published Online: June 21, 2005
...Zefeng Wen; Xuesong Jin; Yanyao Jiang A finite element analysis with the implementation of an advanced cyclic plasticity theory was conducted to study the elastic-plastic deformation under the nonsteady state rolling contact between a wheel and a rail. The consideration of nonsteady state rolling...
Journal Articles
Article Type: Research Papers
J. Tribol. July 2005, 127(3): 652–657.
Published Online: June 13, 2005
... finite element code PLASTD is used to reproduce transitory phenomena generated at the contact interface. This code includes contact and friction algorithms based upon a formulation which uses Lagrange multipliers. A numerical study of the dynamic response of a 2D mechanical model composed of a deformable...