LEADER 02270nam 2200541I 450 001 9910707250903321 005 20160614163011.0 035 $a(CKB)5470000002462999 035 $a(OCoLC)951687323 035 $a(EXLCZ)995470000002462999 100 $a20160614j199609 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aFinite difference time marching in the frequency domain $ea parabolic formulation for aircraft acoustic nacelle design /$fKenneth J. Baumeister and Kevin L. Kreider 210 1$aCleveland, Ohio :$cNational Aeronautics and Space Administration, Lewis Research Center,$dSeptember 1996. 215 $a1 online resource (13 pages) $cillustrations 225 1 $aNASA technical memorandum ;$v106839 300 $aTitle from title screen (viewed June 14, 2016). 300 $a"September 1996"--Report documentation page. 300 $a"Prepared for the International Mechanical Engineering Congress and Exposition: The Winter Annual Meeting sponsored by the American Society of Mechanical Engineers, San Francisco, California, November 12-17, 1995." 300 $a"Performing organization: National Aeronautics and Space Administration, Lewis Research Center"--Report documentation page. 320 $aIncludes bibliographical references (page 9). 517 $aFinite difference time marching in the frequency domain 606 $aFinite difference theory$2nasat 606 $aTime marching$2nasat 606 $aNacelles$2nasat 606 $aSound propagation$2nasat 606 $aAircraft engines$2nasat 606 $aEngine inlets$2nasat 615 7$aFinite difference theory. 615 7$aTime marching. 615 7$aNacelles. 615 7$aSound propagation. 615 7$aAircraft engines. 615 7$aEngine inlets. 700 $aBaumeister$b Kenneth J.$01400246 702 $aKreider$b Kevin L. 712 02$aLewis Research Center, 712 02$aUnited States.$bNational Aeronautics and Space Administration, 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910707250903321 996 $aFinite difference time marching in the frequency domain$93535277 997 $aUNINA