4 search results - page 1 / 1 » An algebraic approach for H-matrix preconditioners |
JSCIC
2008
13 years 6 months ago
2008
In this paper we present new efficient variants of structured preconditioners for algebraic linear systems arising from the mortar discretization of a degenerate parabolic system o...
COMPUTING
2007
13 years 6 months ago
2007
Hierarchical matrices (H-matrices) approximate matrices in a data-sparse way, and the approximate arithmetic for H-matrices is almost optimal. In this paper we present an algebrai...
SIAMMAX
2010
13 years 1 months ago
2010
Many mathematical models involve flow equations characterized by nonconstant viscosity, and a Stokes type problem with variable viscosity coefficient arises. Appropriate block diag...
SIAMSC
2008
13 years 6 months ago
2008
We discuss in this paper the numerical approximation of fluid-structure interaction (FSI) problems dealing with strong added-mass effect. We propose new semi-implicit algorithms ba...