Paper: Equivalent Mass, Stiffness, and Loading for Off-Centre Missile Impact Evaluations

Evaluating nuclear power plant structures against missile impact loads


Abstract

For evaluation of nuclear power plant structures against missile impact loads, it is usually desirable to idealize the structure with a single degree of freedom (SDOF) system. It is therefore convenient to introduce certain transformation factors to convert the mass and existing loads of the structure to equivalent mass, and load for the equivalent SDOF system.

This paper discusses the method for selecting the most applicable deflected shape function for a given impact location and investigates the transformation factors for non-central impacts on beams and slabs.

Authors:
Asadollah Bassam, Mohammad Amin, Javad Moslemian – Sargent & Lundy

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