Preconditioning the helmholtz equation for rigid ducts
By: Kenneth J. Baumeister, Kevin L. Kreider.
Contributors: Kreider, Kevin L.; Lewis Research Center.
Series: NASA technical memorandum -- 107349.
Publisher: National Aeronautics and Space Administration, Lewis Research Center; National Technical Information Service, distributor
Published: 1998
Place of publication: [Cleveland, Ohio]; Springfield, VA
Language: eng
Format: Microform
Subjects: Acoustic propagation.; Ducts.; Helmholtz equations.; Finite difference theory.; Preconditioning.
Notes: Shipping list no.: 99-0618-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1998] 1 microfiche.