New Horizons of Computational Science pp 295-301 | Cite as
The Efficient Parallel Newton-GMRES Algorithm for Computational Fluid Dynamics
Conference paper
Abstract
The main motivation to solve the compressible Navier-Stokes equations by means of an implicit method is the excessive small time steps limited by stability constraints for explicit methods. Thus, for structured meshes, work has been done both on the development of new implicit schemes [13] and on the use of new tools to solve large sparse unsymmetric linear systems [10, 19]. Also for unstructured meshes, new schemes [11, 18] and techniques [12] have been developed. However, in most cases, each implicit step leads to one costly nonlinear system to be solved.
Keywords
Computational Fluid Dynamics Krylov Subspace GMRES Method Nonsymmetric Linear System Logical Ring
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