Numerical Analysis Of Transient Line Contact Problems In Elastohydrodynamic Lubrication
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| Author | : D. Dowson |
| Publisher | : Elsevier |
| Total Pages | : 254 |
| Release | : 2014-07-18 |
| Genre | : Technology & Engineering |
| ISBN | : 1483181898 |
Elasto-Hydrodynamic Lubrication deals with the mechanism of elasto-hydrodynamic lubrication, that is, the lubrication regime in operation over the small areas where machine components are in nominal point or line contact. The lubrication of rigid contacts is discussed, along with the effects of high pressure on the lubricant and bounding solids. The governing equations for the solution of elasto-hydrodynamic problems are presented. Comprised of 13 chapters, this volume begins with an overview of elasto-hydrodynamic lubrication and representation of contacts by cylinders, followed by a discussion on equations relevant to lubrication, including the Reynolds equation. The reader is then introduced to lubrication of rigid cylinders; the importance of film thickness in highly loaded rigid contacts; the elasticity of solids in contact; and the theory of elasto-hydrodynamic lubrication. Subsequent chapters focus on apparatus and measurements of film thickness and film shape; friction and viscosity; and lubrication of gears and roller bearings. This book will be of interest to tribologists.
| Author | : C. Taylor |
| Publisher | : Elsevier |
| Total Pages | : 773 |
| Release | : 1997-07-22 |
| Genre | : Technology & Engineering |
| ISBN | : 0080875963 |
This volume represents the latest issue of a collection of Proceedings each dealing with a different topic in Tribology. This volume contains the Proceedings from the 23rd Leeds-Lyon Symposium which addressed the topic of Elastohydrodynamics and was attended by many international experts in the field.The Keynote Address was presented by Professor Stathis Ioannides on the subject of "Tribology in Rolling Element Bearings" and was followed by fifteen other sessions covering a wide variety of general areas from "Experimental" to "Lubricant Properties". In addition, nine other invited technical papers were presented to support the sessions.
| Author | : Ysbrand Hans Wijnant |
| Publisher | : |
| Total Pages | : 179 |
| Release | : 1998 |
| Genre | : |
| ISBN | : 9789036512237 |
| Author | : Wassim Habchi |
| Publisher | : John Wiley & Sons |
| Total Pages | : 464 |
| Release | : 2018-03-21 |
| Genre | : Technology & Engineering |
| ISBN | : 1119225140 |
Covers the latest developments in modeling elastohydrodynamic lubrication (EHL) problems using the finite element method (FEM) This comprehensive guide introduces readers to a powerful technology being used today in the modeling of elastohydrodynamic lubrication (EHL) problems. It provides a general framework based on the finite element method (FEM) for dealing with multi-physical problems of complex nature (such as the EHL problem) and is accompanied by a website hosting a user-friendly FEM software for the treatment of EHL problems, based on the methodology described in the book. Finite Element Modeling of Elastohydrodynamic Lubrication Problems begins with an introduction to both the EHL and FEM fields. It then covers Standard FEM modeling of EHL problems, before going over more advanced techniques that employ model order reduction to allow significant savings in computational overhead. Finally, the book looks at applications that show how the developed modeling framework could be used to accurately predict the performance of EHL contacts in terms of lubricant film thickness, pressure build-up and friction coefficients under different configurations. Finite Element Modeling of Elastohydrodynamic Lubrication Problems offers in-depth chapter coverage of Elastohydrodynamic Lubrication and its FEM Modeling, under Isothermal Newtonian and Generalized-Newtonian conditions with the inclusion of Thermal Effects; Standard FEM Modeling; Advanced FEM Modeling, including Model Order Reduction techniques; and Applications, including Pressure, Film Thickness and Friction Predictions, and Coated EHL. This book: Comprehensively covers the latest technology in modeling EHL problems Focuses on the FEM modeling of EHL problems Incorporates advanced techniques based on model order reduction Covers applications of the method to complex EHL problems Accompanied by a website hosting a user-friendly FEM-based EHL software Finite Element Modeling of Elastohydrodynamic Lubrication Problems is an ideal book for researchers and graduate students in the field of Tribology.
| Author | : |
| Publisher | : |
| Total Pages | : 400 |
| Release | : 1948 |
| Genre | : Mechanics, Applied |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 404 |
| Release | : 2000 |
| Genre | : Mechanical engineering |
| ISBN | : |
| Author | : Schmidt, Jan Henrik |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 164 |
| Release | : 2019-01-14 |
| Genre | : Structural dynamics |
| ISBN | : 3731508729 |
This work presents an efficient solution procedure for the elastohydrodynamic (EHD) contact problem considering structural dynamics. The contact bodies are modeled using reduced finite element models. Singly diagonal implicit Runge-Kutta (SDIRK) methods are used for adaptive time integration. The structural model is coupled with the nonlinear Reynolds Equation using a monolithic coupling approach. Finally, a reduced order model of the complete nonlinear coupled problem is constructed.
| Author | : |
| Publisher | : |
| Total Pages | : 390 |
| Release | : 2000 |
| Genre | : Mechanical engineering |
| ISBN | : |
| Author | : Andras Z. Szeri |
| Publisher | : Cambridge University Press |
| Total Pages | : 565 |
| Release | : 2010-12-27 |
| Genre | : Science |
| ISBN | : 1139495194 |
Fluid film bearings are machine elements that should be studied within the broader context of tribology. The three subfields of tribology - friction, lubrication, and wear - are strongly interrelated. The last decade has witnessed significant advances in the area of fluid film lubrication and its applications, and this second edition offers a look at some of these advances. This edition adds to the fundamentals of fluid film lubrication, a discourse on surface effects and the inclusion of treatment of flow with significant inertia within the section on turbulence. Basic ideas of the multigrid method are conveyed along with multilevel multi-integration in the treatment of elastohydrodynamic lubrication. New chapters have been included on ultra-thin films, both liquid and gaseous, and lubrication of articulating joints and their replacement. Some of the most recent literature is discussed.
| Author | : Ilya I. Kudish |
| Publisher | : CRC Press |
| Total Pages | : 703 |
| Release | : 2013-06-17 |
| Genre | : Technology & Engineering |
| ISBN | : 1466583908 |
Elastohydrodynamic Lubrication for Line and Point Contacts: Asymptotic and Numerical Approaches describes a coherent asymptotic approach to the analysis of lubrication problems for heavily loaded line and point contacts. This approach leads to unified asymptotic equations for line and point contacts as well as stable numerical algorithms for the so
