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Dynamic analysis of pressurized components is a key element in satisfying specified safety and economical requirements in the design process. Recognizing this, PVRC initiated work to establish needs and priorities, recommend research programs, and help direct research activities toward industrial applications. A series of interpretive reports has been issued to record the progress and results of this work: WRC Bulletin 246, 1979; WRC Bulletin 269, 1981; WRC Bulletin 303, 1985; and WRC Bulletin 336, 1988. This Bulletin, the fifth in the series, summarizes the advances made since 1988 and presents new technical issues involving dynamic stress criteria, pressure transients, fluid-structure interaction, seismic analysis, and dynamic restraints. Intended to be a generic guide to future research, it recommends and prioritizes specific research topics which reflect the current as well as the future research needs of industry. Publication of this document - WRC Bulletin No. 393 was sponsored by the Committee on Dynamic Analysis and Testing of the Pressure Vessel Research Council