Numerical modeling of poro-elasticity effects on squeeze film of parallel plates using homogenization method

This paper deals with the combined effects of elastic deformation and permeability on hydrodynamic performances of squeeze film between infinitely long parallel plates. The lower plate is an elastic porous matrix saturated by a Newtonian fluid. The poro-elasticity is taken into account by the means of homogenization method for periodic structures. The squeeze film analysis considers the Beavers-Joseph slip condition at the film - poro-elastic plate interface. The governing equations are discretized by finite differences method and solved iteratively using Gauss-Seidel method. The fluid film and poro-elastic plate coupling is managed using iterative fixed point. A Fortran program is developed for this purpose. The numerical results show that the poro-elasticity effects are significant.