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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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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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Polygonal contact model revisited: notes on usage and improved implementation
The polygonal contact model is an established contact algorithm for multibody dynamics based on polygonal surfaces. Some guidance for its practical...
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A modified Greenwood–Williamson contact model with asperity interactions
Accurate relation between load and area is of great interest in tribology, especially for large contact fraction, in which the asperity interactions...
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An elastic-plastic theoretical analysis model of wheel-rail rolling contact behaviour
An accurate wheel-rail contact theoretical model is crucial for predicting wheel-rail wear and rolling contact fatigue. The plastic damage occurs...
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Analysis of the discrete contact characteristics based on the Greenwood-Williamson model and the localization principle
The contact of a rigid body with nominally flat rough surface and an elastic half-space is considered. To solve the contact problem, the...
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Spline-based smooth beam-to-beam contact model
The contact between bodies is a complex phenomenon that involves mechanical interaction, frictional sliding and heat transfer, among others. A common...
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Explicit frictional stick–slip dynamics of elastic contact problem incorporating the LuGre model
Dynamical contact problem with friction is of continuous concern and have been investigated over the years. The effective and accurate description of...
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Loading-unloading model of contact between elastic-plastic ellipsoid and rigid plane
The mechanical behaviour of the ellipsoidal asperity and rigid planes during loading and unloading are fundamental problems in contact mechanics....
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A three-dimensional fractal contact model of rough surfaces considering strain hardening
Strain hardening has a significant influence on the contact behavior of rough surfaces. In this study, an asperity contact load model accounting for...
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Vibration analysis of rotor systems with bearing clearance using a novel conformal contact model
This paper proposes a novel cylindrical conformal contact model for the large-diameter bearing with small clearance to its housing in aero-engines....
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Rope–sheave contact transient analysis in hoisting operations with a bristle model and an arbitrary Lagrangian–Eulerian approach
This paper describes the development of a computational model for the rope–sheave contact interaction in reeving systems when the ropes are modeled...
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A model for contact and friction between beams under large deformation and sheaves
This work focuses on the modeling of contact between sheaves and flexible axially moving beams. A two-dimensional beam finite element is employed,...
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Dynamics of double pin caterpillar platform using a generalized cylindrical contact model
Compared with the single pin crawler, a double pin caterpillar platform has lower vibration and noise, which is widely used in tracked vehicles....
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An improved elastic–plastic contact model with asperity interactions based on Greenwood–Williamson theory
Real contact area plays a critical role in tribology. However, few contact models can give accurate load-area relation at very large contact fraction...
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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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A comprehensive misalignment-rub-impact nonlinear dynamic spindle model considering contact angle and fit clearance under EHL
A high-speed spindle fault model equipped with the angular contact ball bearing (ACBB) was proposed in this investigation, and some factors such as...
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Subloading-friction model with saturation of tangential contact stress
The incorporation of the saturation of the tangential contact stress with the increase of the normal contact stress is required for the analysis of...
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Model of Contact Interaction of Rough Surfaces in Statics
A brief review of works on the classical computational model of the contact interaction of rough surfaces is given. The assumptions adopted for the...
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A new contact and road model for multi-body dynamic simulation of wheeled vehicles on soft-soil terrain
In this paper, a new high-performance and memory-efficient contact and road model is developed. Specifically, the road is modeled as a rectangular...
