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[3] [4] In 1882, Hertz solved the contact problem of two elastic bodies with curved surfaces. This still-relevant classical solution provides a foundation for modern problems in contact mechanics. For example, in mechanical engineering and tribology, Hertzian contact stress is a description of the stress within mating parts. The Hertzian ...
More information on the history of the wheel/rail contact problem is provided in Knothe's paper. [5] Further Johnson collected in his book a tremendous amount of information on contact mechanics and related subjects. [1] With respect to rolling contact mechanics an overview of various theories is presented by Kalker as well. [10]
In particular, contact force models are derived from continuum mechanics, and expressed as functions of the gap and the impact velocity of bodies. As an example, an illustration of the classic Hertz contact model is shown in the figure on the right. In such model, the contact is explained by the local deformation of bodies.
Multibody research group, Center of Mechanics, ETH Zurich. Lehrstuhl für angewandte Mechanik TU Munich. BiPoP Team, INRIA Rhone-Alpes, France, Siconos software. An open-source software dedicated to the modeling and the simulation or nonsmooth dynamical systems, especially mechanical systems with contact and Coulomb's friction
Rolling Contact Fatigue (RCF) is a phenomenon that occurs in mechanical components relating to rolling/sliding contact, such as railways, gears, and bearings. [2] It is the result of the process of fatigue due to rolling/sliding contact.
Contact mechanics is the study of the deformation of solids that touch each other at one or more points. Pages in category "Contact mechanics" This category contains only the following page.
Sliding contact of solids (black) through a third medium (white) using the third medium contact method with HuHu-regularization. The third medium contact (TMC) is an implicit formulation used in contact mechanics. Contacting bodies are embedded in a highly compliant medium (the third medium), which becomes increasingly stiff under compression.
The microscopic origin of contact forces is diverse. Normal force is directly a result of Pauli exclusion principle and not a true force per se: Everyday objects do not actually touch each other; rather, contact forces are the result of the interactions of the electrons at or near the surfaces of the objects. [1]