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Enhanced dynamic modeling of chatter incorporating nonlinear Hertzian contact
Chatter during milling significantly hampers machining productivity, surface quality, and machine accuracy. This study introduces an analytical...
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Hertzian Contact Stress
When two elements with curved surfaces make contact with each other and are pressed together, contact stresses (also called Hertzian contact...
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Improving the robustness of non-Hertzian wheel–rail contact model for railway vehicle dynamics simulation
Computational robustness is a fundamental requirement for wheel–rail dynamic interaction simulations. To improve the computational robustness of a...
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Hertzian Contact
In this chapter, we shall consider the frictionless contact of two elastic bodies with profiles that can be described by general quadratic functions....
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An Extension of FASTSIM for Steady State Non-Hertzian Contact
The FASTSIM algorithm is widely used in multi-body simulation (MBS) software packages for the evaluation of the tangential wheel-rail contact forces...
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Effect of gauge corner lubrication on wheel/rail non-Hertzian contact and rail surface damage on the curves
Wheel/rail rolling contact is a highly nonlinear issue affected by the complicated operating environment (including adhesion conditions and motion...
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Solving forward and inverse problems of contact mechanics using physics-informed neural networks
This paper explores the ability of physics-informed neural networks (PINNs) to solve forward and inverse problems of contact mechanics for small...
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A multi-asperity adhesive contact model for catheter and vascular artery contact in endovascular surgery
Contact behaviors of medical devices, such as guidewires and catheters, are critical in endovascular surgeries. In this work, a new method to predict...
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Measurement of Contact Force–Deformation Curves of Colliding Two Identical Spheres
BackgroundThe contact force–deformation relation between two spheres is one fundamental property which determines the mechanical response of the...
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A High Frequency Wheel/Rail Contact Model for Curve Squeal in Time Domain Using Impulse Response Function Method
A time-domain model for high frequency wheel-rail interaction considering the effect of flexible wheel and track is developed, the wheel-rail contact...
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Analytic contact solutions of the Boussinesq and Cattaneo problems for an ellipsoidal power-law indenter
Based on Galin’s theorem for the indentation of an elastic half-space by a polynomial punch and Barber’s theorem for the determination of the contact...
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Virtual Element Formulation for Contact
Almost all engineering applications include structural parts that act on other elements through an area of contact. In many cases the behaviour at...
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Mesh excitations of spur gear considering strong correlation among tooth contact parameters, contact force, and tooth profile deviations
Gear mesh excitations are widely concerned in the dynamic studies of the gear transmission system. Meanwhile, intentional and unintentional tooth...
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Railway Dynamics with Curved Contact Patch
The wheel-rail contact modeling is of paramount importance for the dynamics of railway vehicles since it represents the interaction between the...
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Assessment of various isogeometric contact surface refinement strategies
Since its inception, isogeometric analysis (IGA) has shown significant advantages over Lagrange polynomials-based finite element analysis (FEA),...
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A numerical model to simulate the transient frictional viscoelastic sliding contact
Sliding motion has always been one of the major concerns when it comes to the analysis of viscoelastic contact problems. A new model simulating the...
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Influence of contact curvature on frictional energy dissipation under varying tangential loads
This study investigates the effect of contact surface curvatures on the friction response under varying tangential loadings using a finite element...
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Comparing the contact characteristics of involute gear/eccentric cycloidal gear calculated by various loaded tooth contact analysis models
Involute gears have been developed for a long time and already used in many applications. In addition, special tooth profile, such as cycloid, are...
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Prediction of contact response using boundary element method (BEM) for different surface topography
In the tribological design of machine elements, the contact surface topography has an important influence on the contact pressure, stiffness, and...
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A contact analysis for unconventional mounting processes of angular ball bearings
Rigorous protocols must be followed when mounting ball bearings to avoid structural damage and subsequent malfunctioning or unexpected failures....
