Accelerated iteration schemes for transonic flow calculations using fast Poisson solvers

Abstract

Results obtained by using a fast Poisson solver to accelerate the rate of convergence of the iterative scheme are described. A fast iterative method for transonic flow calculations is formulated first, and then application is made to the transonic potential flow equation in a mapped domain. It is concluded that the use of a fast elliptic solver in combination with relaxation is an effective way to accelerate the convergence of transonic flow calculations, particularly when a marching scheme can be used to treat the supersonic zone in the relaxation process. 3 figures (RWR)

Keywords

GENERAL AND MISCELLANEOUS//MATHEMATICS
COMPUTING
AND INFORMATION SCIENCE
CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ITERATIVE METHODS
TRANSONIC FLOW
COMPUTER CALCULATIONS
POTENTIAL FLOW
SERIES EXPANSION
FLUID FLOW
* - MATHEMATICS & COMPUTERS
- FLUID PHYSICS- GENERAL FLUID DYNAMICS

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