The System-integrated Modular Advanced ReacTor (SMART) developed by KAERI includes components like a core, steam generators, coolant pumps, and a pressurizer inside the reactor vessel. Though the integrated structure improves the safety of the reactor, it can be excited by an earthquake and pump pulsations. It is important to identify dynamic characteristics of the reactor internals considering fluid-structure interaction caused by inner coolant for preventing damage from the excitations. Thus, the finite element model is constructed to identify dynamic characteristics and natural frequencies and mode shapes are extracted from this finite element model.

Volume Subject Area:
Systems, Structures, Components and Materials
Topics:
Boilers, Coolants, Damage, Earthquakes, Excitation, Finite element model, Fluid structure interaction, Modal analysis, Mode shapes, Pipes, Pumps, Reactor vessels, Safety
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 by ASME
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