NDLI: Advanced multigrid solvers for fluid dynamics

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Advanced multigrid solvers for fluid dynamics

Content Provider	NASA Technical Reports Server (NTRS)
Author	Brandt, Achi
Copyright Year	1999
Description	The main objective of this project has been to support the development of multigrid techniques in computational fluid dynamics that can achieve "textbook multigrid efficiency" (TME), which is several orders of magnitude faster than current industrial CFD solvers. Toward that goal we have assembled a detailed table which lists every foreseen kind of computational difficulty for achieving it, together with the possible ways for resolving the difficulty, their current state of development, and references. We have developed several codes to test and demonstrate, in the framework of simple model problems, several approaches for overcoming the most important of the listed difficulties that had not been resolved before. In particular, TME has been demonstrated for incompressible flows on one hand, and for near-sonic flows on the other hand. General approaches were advanced for the relaxation of stagnation points and boundary conditions under various situations. Also, new algebraic multigrid techniques were formed for treating unstructured grid formulations. More details on all these are given below.
File Size	453645
Page Count	7
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20000046785
Archival Resource Key	ark:/13960/t53f9pv3x
Language	English
Publisher Date	1999-01-01
Access Restriction	Open
Subject Keyword	Fluid Mechanics And Thermodynamics Navier-stokes Equation Algebra Algorithms Multigrid Methods Structured Grids Mathematics Computational Fluid Dynamics Unstructured Grids Mathematics Stagnation Point Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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