Title
Multigrid method for nonlinear poroelasticity equations.
Abstract
In this study, a nonlinear multigrid method is applied for solving the system of incompressible poroelasticity equations considering nonlinear hydraulic conductivity. For the unsteady problem, an additional artificial term is utilized to stabilize the solutions when the equations are discretized on collocated grids. We employ two nonlinear multigrid methods, i.e. the \"full approximation scheme\" and \"Newton multigrid\" for solving the corresponding system of equations arising after discretization. For the steady case, both homogeneous and heterogeneous cases are solved and two different smoothers are examined to search for an efficient multigrid method. Numerical results show a good convergence performance for all the strategies.
Year
DOI
Venue
2015
10.1007/s00791-016-0260-8
Computat. and Visualiz. in Science
Keywords
Field
DocType
Multigrid, Poroelasticity, Coupled system, Collocated grid, Nonlinearity, Heterogeneity, Weibull function
Compressibility,Convergence (routing),Discretization,Mathematical optimization,Nonlinear system,System of linear equations,Homogeneous,Mathematical analysis,Poromechanics,Multigrid method,Mathematics
Journal
Volume
Issue
ISSN
17
5
1433-0369
Citations 
PageRank 
References 
1
0.35
1
Authors
4
Name
Order
Citations
PageRank
P. Luo110.35
Carmen Rodrigo2278.69
Francisco José Gaspar3184.66
Cornelis W. Oosterlee421734.41