In this article, a Jacobian-free Newton Multigrid (JFNMG) method is used for the analysis of isothermal, steady state and incompressible Elastohydrodynamic lubrication (EHL) line contact problem. The lubricant is grease and its rheology is described by Hershel-Bulkley constitutive equation. The problem is investigated for smooth contact surfaces. A finite difference scheme, developed after discretizing governing equations on a uniform grid, is used for the solution of the EHL problem. The JFNMG method is applied to the system of algebraic equations, which arise in the scheme, and obtain solution for a wide range of parameters of interest. The proposed scheme not only overcomes the limitations of conventional schemes but is also, stable and fast converging for the investigation of the EHL problems.......
Keywords: Elastohydrodynamic lubrication, Grease lubricant, Jacobian-free, Multigrid, Full approximation scheme, Newton Inexact
Keywords: Elastohydrodynamic lubrication, Grease lubricant, Jacobian-free, Multigrid, Full approximation scheme, Newton Inexact