Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Steady‐State Thermal Non‐Newtonian Line Contacts
In the current chapter, the FEM modeling of EHL steady‐state thermal non‐Newtonian line contacts is covered in detail. Line contacts take place between contacting solid elements that are infinitely long in one of the principal space directions. They can be found for example in spur gears, cylindrical roller‐element bearings, cam‐followers, etc. The governing equations are obtained as a particular case of the more general point contact case, under transient regime, as detailed in chapter 1. A full‐coupling strategy is employed whereby all governing equations are solved simultaneously, in a large monolithic system. The performance of the fully‐coupled scheme is compared to that of various weakly‐coupled ones. It is found that full‐coupling offers a more robust resolution process with faster convergence characteristics, especially under conditions where heat generation and / or lubricant shear‐thinning are significant. Some preliminary results obtained using the model detailed in this chapter are presented.
Steady‐State Thermal Non‐Newtonian Line Contacts
In the current chapter, the FEM modeling of EHL steady‐state thermal non‐Newtonian line contacts is covered in detail. Line contacts take place between contacting solid elements that are infinitely long in one of the principal space directions. They can be found for example in spur gears, cylindrical roller‐element bearings, cam‐followers, etc. The governing equations are obtained as a particular case of the more general point contact case, under transient regime, as detailed in chapter 1. A full‐coupling strategy is employed whereby all governing equations are solved simultaneously, in a large monolithic system. The performance of the fully‐coupled scheme is compared to that of various weakly‐coupled ones. It is found that full‐coupling offers a more robust resolution process with faster convergence characteristics, especially under conditions where heat generation and / or lubricant shear‐thinning are significant. Some preliminary results obtained using the model detailed in this chapter are presented.
Steady‐State Thermal Non‐Newtonian Line Contacts
Habchi, Wassim (Autor:in)
14.05.2018
44 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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