Comparison of FFT, direct inversion, and conjugate gradient methods for use in pseudo-spectral methods

DOI10.1016/0045-7930(84)90023-9zbMath0539.76001OpenAlexW2106687990MaRDI QIDQ794508

Margaret M. Nadworny, Richard S. Hirsh, Thomas D. Taylor

Publication date: 1984

Published in: Computers and Fluids (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0045-7930(84)90023-9

zbMATH Keywords

conjugate gradient methodDirect matrix inversion methodsfast Fourier transform for speedpseudo-spectral calculations

Mathematics Subject Classification ID

Basic methods in fluid mechanics (76M99) Compressible fluids and gas dynamics (76Nxx) Incompressible inviscid fluids (76Bxx) Incompressible viscous fluids (76Dxx)

Related Items

Pseudospectral methods for solution of the incompressible Navier-Stokes equations ⋮ Preconditioned conjugate residual methods for the solution of spectral equations ⋮ An improved pseudospectral method for initial-boundary value problems ⋮ Global properties of pseudospectral methods ⋮ A mixed pseudospectral/finite difference method for the axisymmetric flow in a heated, rotating spherical shell

Cites Work

• Applications of a variational method for mixed differential equations
• The incomplete Cholesky-conjugate gradient method for the iterative solution of systems of linear equations
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