Safety Analysis of a Class 3 Component by ANSYS

Th is p ap e r is a rep ort for t h e safety an aly sis aimed at assessin g t h e r eliab ility an d int e grity of p ressu re retain in g b oundary of essential service water pump with complicated geometry usin g finite element metho d The static analysis is investigated under five service loadings including the loads from OBE ( op e rat ion b asis e art h q u ake) an d S S E ( safety shu t d own e art h q u ake) (1). Th e n at u r al freq u e n c ies an d m o d al sh ap es of t h e p u m p are com p u t ed t o ch eck if t h e st at ic eq u ivalent load m e t h o d can b e u sed for t h e seism ic analysis addressed in the future work. In addition, the stress analysis for the accessories of the pump, namely flanges and bolts, are also shown in the paper.