01665cam a2200349Ii 4500011430329MiAaHDL20141009010000.0m d cr bn ---auaua770331s1976 dcua b f000 0 eng d27477231sdr-uiuc6383941(OCoLC)2851485GPOGPOOCLOCLCQABCUIUUTL521.3.C6A3 no. 2638NAS 1.26:2638Bielawa, Richard L.Aeorelastic analysis for helicopter rotor blades with time-variable, nonlinear structural twist and multiple structural redundancy-mathematical derivation and program user's manual /Richard L. Bielawa.Washington :National Aeronautics and Space Administration ;Springfield, Va. :For sale by the National Technical Information Service,1976.vi, 150 p. :ill. ;27 cm.NASA contractor report ;NASA CR-2638Prepared under Contract no. NAS. 1-10960 by United Technologies Research Center, East Hartford, Conn. for Langley Research Center and U.S. Army Air Mobility R & D Laboratory.Cover title.Includes bibliographical references (p. 89-90).Mode of access: Internet.Equations of motion.Composite materialsAnalysis.AeroelasticityMathematical models.Rotors (Helicopters)Aerodynamics.United Technologies Research Center.United States.National Aeronautics and Space Administration.Langley Research Center.U.S. Army Air Mobility Research and Development Laboratory.01143032920101025151136.020141009010000.020141112164151.02025-01-01T19:26:11Z2025-01-01T18:30:02ZSDR-UIUCUNKNOWNloader.pl-003-020BKsdr-uiuc6383941uiugSDRUIUCuiug.30112106677740UIU6383941UIUUIUC20250101googleuiug.301121066777401976pdbibUS fed doc--NTIS: pubdate < 2020