NASA Contractor Report- zyxw 383904 ICASE Report No. 89-64 zyxw NR9-30013 - (NASA-CR-181904) ON DAMPING zyxwvut MECHANISMS IN BEAMS Fin31 Report (TCASE) zyxwvuts 2.6 p CSCL 12A 1 ICASE ON DAMPING MECHANISMS IN BEAMS H. T. Banks D. J. Inman Contract Nos. NAS 1-18 107, NAS 1-18605 September 1989 Institute for Computer Applications in Science and Engineering NASA Langley Research Center Hampton, Virginia zyxwvu 23665-5225 Operated by the Universities Space Research Association I- NASA