Direct Evaluation Of Lubrication Forces In Asymptotically Corrected
Completed Doubie Layer Boundary Integral Equation Formulations
Author(s)
A.A. Mammoli
Abstract
Direct evaluation of lubrication forces in
asymptotically corrected completed double
layer boundary integral equation formulations
A.A. Mammoli
Department of Mechauzical Engineeriug, Ihziversity ofNew Mexico, USA
Abstract
The quality of the solution in completed double layer boundary integral equation
formulations for the simulation of densely packed suspensions of rigid particles
is poor, due to the inability of the method to capture the lubrication flow between
surfaces in near-contact. It is possible to correct this shortcoming by combining
the solution of the boundary integral equation with the analytical asymptotic
solutions for two-particle problems. The method in principle is applicable to sin+
ulations involving many rigid particles. The main difficulty in the implementation
of this concept is that the corrective lubrication forces are not known a priori.
However, the correction forces are related in a linear fashion to the relative velocities
of the particles, and thus can be incorpora
Keywords
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