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Relevant bibliographies by topics / Line contacts

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Academic literature on the topic 'Line contacts'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Line contacts"

1

Gelinck, E. R. M., and D. J. Schipper. "Deformation of Rough Line Contacts." Journal of Tribology 121, no. 3 (1999): 449–54. http://dx.doi.org/10.1115/1.2834088.

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The influence of surface roughness on the bulk deformation of line contacts is studied. The model of Greenwood and Tripp (1967) will be extended to line contacts. It is found that the central pressure is a very good parameter to characterize the pressure distribution of rough line contacts. Function fits of the central pressure, the effective half width, the real area of contact, and the number of contacts are made. Comparison is made with the work of Lo (1969) and Greenwood et al. (1984).

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Faraon, I. C., and D. J. Schipper. "Stribeck Curve for Starved Line Contacts." Journal of Tribology 129, no. 1 (2006): 181–87. http://dx.doi.org/10.1115/1.2404964.

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This paper discusses a mixed lubrication model in order to predict the Stribeck curve for starved lubricated line contacts. This model is based on a combination of the contact model of Greenwood and Williamson and the elastohydrodynamic (EHL) film thickness for starved line contacts. The starved solution to be implemented in the EHL component is obtained by using numerical data of Wolveridge, who computed the starved film thickness for smooth line contacts. Calculations are presented for different oil supply layer thickness over roughness values (hoil∕σs). For values of the oil layer thickness

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3

Dmytrychenko, Nikolai, Alexandr Aksyonov, Ramsey Gohar, and George Wan. "Elastohydrodynamic lubrication of line contacts." Wear 150, no. 1-2 (1991): 303–13. http://dx.doi.org/10.1016/0043-1648(91)90325-o.

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Zhang, Yongbin. "Multiscale hydrodynamics in line contacts." Mechanics Research Communications 111 (January 2021): 103658. http://dx.doi.org/10.1016/j.mechrescom.2021.103658.

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5

Wang, Zhijian, Xuejin Shen, Xiaoyang Chen, Qiang Han, and Lei Shi. "Experimental study of starvation in grease-lubricated finite line contacts." Industrial Lubrication and Tribology 69, no. 6 (2017): 963–69. http://dx.doi.org/10.1108/ilt-08-2017-0235.

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Purpose The purpose of this paper is to study starvation in grease-lubricated finite line contacts and to understand film-forming mechanisms of grease-lubricated finite line contacts. Design/methodology/approach A multiple-contact optical elastohydrodynamic (EHL) test rig is constructed to investigate the influences of lubricant properties on film thickness and lubrication conditions at different working conditions. The film thickness is calculated according to the relative light intensity principle. The degree of starvation is evaluated by the air–oil meniscus distance and the corresponding f

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6

Alakhramsing, Shivam S., Matthijn B. de Rooij, Dirk J. Schipper, and Mark van Drogen. "Elastohydrodynamic lubrication of coated finite line contacts." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 232, no. 9 (2017): 1077–92. http://dx.doi.org/10.1177/1350650117705037.

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In this work, a finite element-based model is presented that simulates elastohydrodynamic lubrication in coated finite line contacts. Using this model, the film thickness and pressure distributions, between a straight roller with rounded edges on a plate, were analyzed. The model was successfully validated against representative results reported in literature. Parameter studies were conducted to study the influence of varying operating conditions, axial surface profile parameters and coating mechanical properties on the overall elastohydrodynamic lubrication behavior of the contact. It was fou

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Kudish, Ilya I., Sergey S. Volkov, Andrey S. Vasiliev, and Sergey M. Aizikovich. "Lubricated point heavily loaded contacts of functionally graded materials. Part 2. Lubricated contacts." Mathematics and Mechanics of Solids 23, no. 7 (2017): 1081–103. http://dx.doi.org/10.1177/1081286517704690.

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The paper presents a study of the effectiveness of functionally graded materials in heavily loaded point elastohydrodynamically lubricated contacts with straight lubricant entrainment. As part of the study, some criteria of coating effectiveness are introduced and discussed. The approach used for achieving this goal is based on the recently developed asymptotic solution method for steady isothermal elastohydrodynamically lubricated problems of heavily loaded point contacts, as well as on a semi-analytical method for the solutions of contact problems for elastic functionally graded materials wi

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Hooke, C. J., and C. H. Venner. "Surface roughness attenuation in line and point contacts." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 214, no. 5 (2000): 439–44. http://dx.doi.org/10.1243/1350650001543313.

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Surface roughness effects in line and point elastohydrodynamically lubricated contacts are compared and it is shown that the underlying behaviours in both types of contact are identical. Long wavelength components of roughness are attenuated; short wavelength components pass through the conjunction unaltered. It is also shown that the roughness attenuation, plotted against a non-dimensional wavelength, follows almost identical curves in both cases.

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Ciulli, Enrico. "Formulas for Entraining Velocity in Lubricated Line Contacts." Journal of Tribology 124, no. 4 (2002): 856–58. http://dx.doi.org/10.1115/1.1467595.

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The knowledge of the entraining velocity is necessary for the investigation of lubricated contacts. The entraining velocity is the average of the surface velocities of the two bodies in contact relative to the contact itself; its estimation can be actually not always immediate. In this work the general case of two pairing cylindrical surfaces in planar relative motion is analyzed from a kinematical point of view. Formulas for the evaluation of the entraining velocity are presented that are directly applicable to any case of connected members of a mechanism. The physical meaning of the terms of

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Ghosh, M. K., and B. J. Hamrock. "Thermal Elastohydrodynamic Lubrication of Line Contacts." A S L E Transactions 28, no. 2 (1985): 159–71. http://dx.doi.org/10.1080/05698198508981608.

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Dissertations / Theses on the topic "Line contacts"

1

Faraon, Irinel Cosmin. "Mixed lubricated line contacts." Enschede : University of Twente [Host], 2005. http://doc.utwente.nl/50853.

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Hultqvist, Tobias. "Elastohydrodynamically lubricated finite line contacts operating under transient conditions." Licentiate thesis, Luleå tekniska universitet, Maskinelement, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-68327.

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The effect of greenhouse gas emissions contributing to the global warming is today becoming an increasingly important problem worldwide and has led to increased efforts being made on improving tribological performance of interacting surfaces in mechanical systems. Due to increasingly stringent CO2regulations, a reduced fuel consumption has become a key area of interest for the automotive industry where low cost, low emission solutions are continuously developed and where low friction alternatives to machine elements currently in use are evaluated. Crankshaft roller bearings have been shown to

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Hörteis, Matthias [Verfasser]. "Fine-line printed contacts on crystalline silicon solar cells / Matthias Hörteis." Konstanz : Bibliothek der Universität Konstanz, 2009. http://d-nb.info/1017360413/34.

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Vaughan, D. A. "Scuffing in sliding-rolling line contacts : the influence of thermal behaviour." Thesis, Swansea University, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.639304.

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Siu, S. W. "Thermal effects of concentrated sliding/rolling line contacts and their relation to scuffing wear." Thesis, Swansea University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.639050.

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The present work made use of existing thermal stress (fast moving distributed Hertzian heat source) solutions available to extend the isothermal stress solution to take into account effects of the flash temperature rise and the corresponding thermo-elastic stress components. The highlight of this new analytical model was the development of a thermo-mechanical yield factor, γ-factor, whereby critical conditions for which inelastic behaviour occurs can be predicted and the likelihood of failure estimated. The results of this work showed that failure by formation of welds can occur. This presumes

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Hsiao, Hsing-Sen. "Modeling and analysis of elastohydrodynamic lubrication of line contacts considering thermal and non-Newtonian effects /." Connect to resource, 1992. http://rave.ohiolink.edu/etdc/view.cgi?acc%5Fnum=osu1260365629.

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Hsiao, Hsing-Sen Steven. "Modeling and analysis of elastohydrodynamic lubrication of line contacts considering thermal and non-Newtonian effects." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1260365629.

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Votsios, Vasilis. "Contact mechanics and impact dynamics of non-conforming elastic and viscoelastic semi-infinite or thin bonded layered solids." Thesis, Loughborough University, 2003. https://dspace.lboro.ac.uk/2134/11815.

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The thesis is concerned with the contact mechanics behaviour of non-conforming solids. The geometry of the solids considered gives rise to various contact configurations, from concentrated contacts with circular and elliptical configuration to those of finite line nature, as well as those of less concentrated form such as circular flat punches. The radii of curvature of mating bodies in contact or impact give rise to these various nonconforming contact configurations and affect their contact characteristics, from those considered as semi-infinite solids in accord with the classical Hertzian th

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Roxner, Evelina, and Baumeister Ronja Olsmats. "Processing of Sub-micrometer Features for Rear Contact Passivation Layer of Ultrathin Film Solar Cells Using Optical Lithography." Thesis, International Iberian Nanotechnology Laboratory, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-388779.

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Thin film copper, indium, gallium, selenide (CIGS) solar cells are promising in the field of photovoltaic technology. To reduce material and fabrication cost, as well as increasing electrical properties of the cell, research is ongoing towards ultra-thin film solar cells (absorption layer thickness less than 500 nm). Ultra-thin CIGS solar cells has shown a decrease in interface recombination and improved optical properties when adding a rear contact passivation layer of aluminium oxide. In this work, the process of creating sub-micrometer features of a passivation layer using conventional opti

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Lai, Jiun-Hong. "Development of low-cost high-efficiency commercial-ready advanced silicon solar cells." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/52234.

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The objective of the research in this thesis is to develop manufacturable high-efficiency silicon solar cells at low-cost through advanced cell design and technological innovations using industrially feasible processes and equipment on commercial grade Czochralski (Cz) large-area (239 cm2) silicon wafers. This is accomplished by reducing both the electrical and optical losses in solar cells through fundamental understanding, applied research and demonstrating the success by fabricating large-area commercial ready cells with much higher efficiency than the traditional Si cells. By developing an

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Books on the topic "Line contacts"

1

Pound, Ezra. Hugh Selwyn Mauberley: Contacts & Life. 4th ed. Edited by Nick Drumbolis. Letters, 1989.

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2

Cohen, Daniel. Contact. Scholastic, 1998.

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3

Contact. Scholastic, 1998.

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Smith, Kristine. Contact imminent. EOS, 2003.

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Allred, Katherine. Close contact. EOS, 2010.

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Sagan, Carl. Contacto. Plaza & Janés, 1989.

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7

Sherman, David. Blood contact. Ballantine Pub. Group, 1999.

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Robin, Anderson, ed. First contact. Viking, 1987.

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Connolly, Bob. First contact. Penguin Books, 1988.

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10

Turtledove, Harry. Colonization--second contact. Ballantine Pub. Group, 1999.

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Book chapters on the topic "Line contacts"

1

Khonsari, M. M., and Punit Kumar. "Lubrication Regimes – Line Contacts." In Encyclopedia of Tribology. Springer US, 2013. http://dx.doi.org/10.1007/978-0-387-92897-5_643.

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2

Kumar, Punit, and M. M. Khonsari. "Film Thickness Formulas: Line Contacts." In Encyclopedia of Tribology. Springer US, 2013. http://dx.doi.org/10.1007/978-0-387-92897-5_641.

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Rugh, William A. "Contacts and Personal Networking Techniques." In Front Line Public Diplomacy. Palgrave Macmillan US, 2014. http://dx.doi.org/10.1057/9781137444158_5.

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Tsuha, Natália Akemi Hoshikawa, Fábio Nonato, and Katia Lucchesi Cavalca. "Stiffness and Damping Reduced Model in EHD Line Contacts." In Mechanisms and Machine Science. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99262-4_4.

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Miksis, Michael J. "Contact Lines." In A Celebration of Mathematical Modeling. Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-017-0427-4_9.

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Ren, Ning, and Dong Zhu. "3D Line Contact EHL." In Encyclopedia of Tribology. Springer US, 2013. http://dx.doi.org/10.1007/978-0-387-92897-5_649.

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Sebba, Mark. "Continuing Contact: Life after Creolisation." In Contact Languages. Macmillan Education UK, 1997. http://dx.doi.org/10.1007/978-1-349-25587-0_7.

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Michaud, Michael A. G. "Probabilities: Life." In Contact with Alien Civilizations. Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-68618-9_8.

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Elberling, Jesper. "Respiratory Symptoms from Fragrances and the Link with Dermatitis." In Contact Dermatitis. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-03827-3_23.

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Elberling, Jesper. "Respiratory Symptoms from Fragrances and the Link with Dermatitis." In Contact Dermatitis. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-72451-5_23-1.

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Conference papers on the topic "Line contacts"

1

Nie, Ziqi, Zhiling Ren, Dong Lin, and Guangquan Zhang. "Off line arc current detection and active control of pantograph-catenary system." In 2017 IEEE Holm Conference on Electrical Contacts. IEEE, 2017. http://dx.doi.org/10.1109/holm.2017.8088085.

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Sugiyama, Hiroyuki, and Yoshihiro Suda. "Hybrid Contact Search Algorithm for Wheel/Rail Contact Problems." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-68588.

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In this investigation, the on-line and off-line hybrid contact algorithm for modeling wheel/rail contact problems is developed based on the elastic contact formulation. In the tabular contact search used in existing specialized railroad vehicle dynamics codes, contact points are predicted using an assumption of rigid contacts. For this reason, the contact points can be different from those predicted by the on-line based contact search used in general elastic contact formulations. The difference in the contact point becomes significant when flange contacts that have large contact angles are con

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Ren, Ning, W. Wayne Chen, Dong Zhu, Yuchuan Liu, and Q. Jane Wang. "A Three-Dimensional Deterministic Model for Rough Surface Line-Contact EHL Problems." In ASME/STLE 2007 International Joint Tribology Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ijtc2007-44476.

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This paper reports the development of a novel three-dimensional (3D) deterministic model for rough surface line-contact mixed-EHL problems. This model is of great importance because line contacts are found in many mechanical components. The macro aspects of a line-contact problem can be simplified into a two-dimensional (2D) model, but the topography of contacting rough surfaces, micro asperity contacts, and lubricant flows around asperities are often 3D. The present model is based on Hu and Zhu’s unified mixed EHL model [1] and the mixed FFT-based approach formulated by Chen et al [2]. It is

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Glovnea, Marilena, and Emanuel Diaconescu. "New Investigations of Finite Length Line Contact." In ASME/STLE 2004 International Joint Tribology Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/trib2004-64375.

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Important end effects occur in Hertz-like finite length line contacts. If the length of shorter contacting cylinder is bounded by flat surfaces, the pressure tends to infinity at both ends. Many design measures were advanced to reduce or attenuate these pressure riser effects. These imply modification of contact geometry and, in most cases, numerical investigations. Few experiments were performed to check the actual contact between modified surfaces. Applying a previous proposal, contact area between a modified steel roller and a sapphire window is measured by scanning the reflectivity of meta

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Yang, P., J. Wang, and M. Kaneta. "Thermal and Non-Newtonian Numerical Analyses for Starved EHL Line Contacts." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63390.

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Numerical analyses have been carried out for the elastohydrodynamic lubrication (EHL) in line contacts under both fully flooded and starved conditions. The thermal effect and the Ree-Eyring non-Newtonian flow have been taken into account. The relation between the inlet meniscus and the thickness of the available lubricant layer has been investigated and it has been found that a very thin layer of available lubricant film on the moving surface is enough to fill the gap downstream the meniscus, making the contact work under a fully flooded condition. The pressures, film profiles, temperature dis

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Burrows, M. Z., A. Meisel, D. Balakrishnan, et al. "Front-side Ag contacts enabling superior recombination and fine-line performance." In 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC). IEEE, 2013. http://dx.doi.org/10.1109/pvsc.2013.6744905.

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Diaconescu, Emanuel. "End Effect Attenuation in Tapered Roller Contacts." In ASME/STLE 2009 International Joint Tribology Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/ijtc2009-15166.

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The end effect attenuation in finite length line contacts is mainly approached for cylindrical bodies. Multi-radius crowning may remove end effects in tapered roller contacts. Another method for leveling maximum pressure in these contacts is the use of polynomial generatrix. This paper investigates the effect of this generatrix in tapered roller contacts. An improved pressure distribution is obtained. This has a nearly flat maximum value along most of contact length.

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Kudish, Ilya I. "Uniform Equations in the Inlet and Exit Zones of Heavily Loaded Point EHL Contacts Involved in Various Steady Motions." In ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/esda2014-20388.

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Heavily loaded point EHL contacts involved in steady purely transitional, skewed transitional, and transitional with spinning motions are considered. It is shown that in the central parts of the inlet and exit zones of such heavily loaded point EHL contacts the asymptotic equations governing the EHL problem along the lubricant flow streamlines for the above types of contact motions can be reduced to two sets of asymptotic equations: one in the inlet and one the exit zones. The latter sets of equations are identical to the asymptotic equations describing lubrication process in the inlet and exi

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Diaconescu, Emanuel. "A New Approach to End Effect Attenuation in Elastic Finite Length Line Contacts Between Revolution Bodies." In STLE/ASME 2008 International Joint Tribology Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ijtc2008-71240.

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There are many methods for attenuation of end effects in finite length line Hertz contacts. A new one is proposed herein by using an even polynomial generatrix for the equivalent rigid roller. The elastic contact between high order polynomial surfaces is used to get a nearly flat maximum pressure along the line contact. According to a reversed method, contact half-axes and central pressure are imposed. The longitudinal roller profile found numerically is indeed an even order polynomial. The method is validated numerically by a GC-DCFFT method.

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Teodorescu, M., H. Rahnejat, and R. Gohar. "Harmonic Analysis to Determine Contact Characteristics of Concentrated Counterformal Contacts." In ASME 7th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2004. http://dx.doi.org/10.1115/esda2004-58544.

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Contact mechanics of solids of revolution is characterised by their deformation behaviour under load. This is strongly influenced by their geometry and elastic properties. These parameters and the applied load determine the deformation of the contiguous solids, giving rise to contact pressure distribution and sub-surface stress fields, which are necessary to determine fatigue spalling performance. Load bearing surfaces are usually lubricated and the deformation of contiguous solids is often crucial in providing a gap for lubricant film formation and avoidance of asperity interactions on adjace

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Reports on the topic "Line contacts"

1

Kramer, Mitchell. InStranet Contact Centers In-Line 5.5. Patricia Seybold Group, 2007. http://dx.doi.org/10.1571/pr01-04-07cc.

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Kramer, Mitchell. InStranet Contact Centers In-Line 5.1. Patricia Seybold Group, 2005. http://dx.doi.org/10.1571/pr10-28-05cc.

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Zimmerman, Jeremiah. High Resolution Measurements near a Moving Contact Line using µPIV. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.118.

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Tzuang, Ching-Kuang C., Dean P. Neikirk, and Tatsuo Itoh. Finite Element Analysis of Slow-Wave Schottky Contact Printed Lines. Defense Technical Information Center, 1987. http://dx.doi.org/10.21236/ada179259.

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Karlstrom, Karl, Laura Crossey, Allyson Matthis, and Carl Bowman. Telling time at Grand Canyon National Park: 2020 update. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2285173.

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Grand Canyon National Park is all about time and timescales. Time is the currency of our daily life, of history, and of biological evolution. Grand Canyon’s beauty has inspired explorers, artists, and poets. Behind it all, Grand Canyon’s geology and sense of timelessness are among its most prominent and important resources. Grand Canyon has an exceptionally complete and well-exposed rock record of Earth’s history. It is an ideal place to gain a sense of geologic (or deep) time. A visit to the South or North rims, a hike into the canyon of any length, or a trip through the 277-mile (446-km) len

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Glass, John, and Anthony Yee. Construction of a Bacterial Cell that Contains Only the Set of Essential Genes Necessary to Impart Life. Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada607783.

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Glass, John, Anthony Yee, Hamilton Smith, and Clyde Hutchison. Construction of a Bacterial Cell that Contains Only the Set of Essential Genes Necessary to Impart Life. Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada613761.

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Glass, John, Anthony Yee, Hamilton Smith, and Clyde Hutchison. Construction of a Bacterial Cell that Contains Only the Set of Essential Genes Necessary to Impart Life. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada570552.

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Glass, John, Anthony Yee, Hamilton Smith, and Clyde Hutchison. Construction of a Bacterial Cell that Contains Only the Set of Essential Genes Necessary to Impart Life. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada563068.

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Glass, John, and Tony Yee. Construction of a Bacterial Cell that Contains Only the Set of Essential Genes Necessary to Impart Life. Defense Technical Information Center, 2013. http://dx.doi.org/10.21236/ada578874.

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