Brown University Division of Engineering Providence, R.I. 02912 ^REE-DIMENSIONAL TRANSIENT ANALYSIS OF A DYNAMICALLY LOADED i THREE-POINT-BEND DUCTILE FRACTURE SPECIMEN by T. Nakamura, C. F. Shih and L. B. Freund Division of Engineering, Brown University Providence, RI 02912, U.S.A. /7l^ Office of Naval Research ^^ ^Z^^ ONR0365/3 i - \ September 1986