02170nam 2200565I 450 991070731080332120160802155931.0(CKB)5470000002464414(OCoLC)954498257(EXLCZ)99547000000246441420160802j199611 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierTime-dependent parabolic finite difference formulation for harmonic sound propagation in a two-dimensional duct with flow /Kenneth J. Baumeister and Kevin L. KreiderCleveland, Ohio :National Aeronautics and Space Administration, Lewis Research Center,November 1996.1 online resource (15 pages) illustrationsNASA technical memorandum ;107363Title from title screen (viewed Aug. 2, 2016)."November 1996.""Performing organization: National Aeronautics and Space Administration, Lewis Research Center"--Report documentation page.Includes bibliographical references (page 10).Finite difference theorynasatSound propagationnasatAircraft enginesnasatAeroacousticsnasatReal time operationnasatEngine inletsnasatDucted flownasatIterative solutionnasatFinite difference theory.Sound propagation.Aircraft engines.Aeroacoustics.Real time operation.Engine inlets.Ducted flow.Iterative solution.Baumeister Kenneth J.1400246Kreider Kevin L.Lewis Research Center,United States.National Aeronautics and Space Administration,GPOGPOBOOK9910707310803321Time-dependent parabolic finite difference formulation for harmonic sound propagation in a two-dimensional duct with flow3532091UNINA