Author:
Badcock K.J.,Glover I.C.,Richards B.E.
Abstract
The approximate factorisation‐conjugate gradient squared (AF‐CGS) method
has been successfully demonstrated for unsteady turbulent aerofoil flows and
transonic inviscid flows in two and three dimensions. The method consists of
a conjugate gradient solution of the linear system at each step with the ADI
approximate factorisation as a preconditioner. In the present paper the
method is adapted to obtain rapid convergence for steady aerofoil flows when
compared to the basic explicit method. Modifications to the original method
are described, convergence criteria are examined and the method is
demonstrated for transonic flow including AGARD test case 9 for the RAE2822
aerofoil.
Subject
Applied Mathematics,Computer Science Applications,Mechanical Engineering,Mechanics of Materials
Cited by
4 articles.
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