Flow-induced vibration prediction using fluid-structure interaction method

Book · Fri Dec 01 04:00:00 EST 1995

OSTI ID:136831

Oyamada, O; Kawahata, J; Ono, S; Murayama, K; Takamura, N ^[1]

---

1. Hitachi, Ltd. (Japan)

An FEM analysis program which can predict FIV (flow-induced vibration) in piping system solving fluid-structure interaction is developed. This program solves the relationship between fluid vibration source (pump, orifice, etc.) and piping vibration by coupling fluid and pipe structure together. A present evaluation method of flow-induced vibration is based on conventional design methods with excessive margin or on the rules having been cumulated in the past plant experiences. Therefore the countermeasures based on the measurement of vibrations in start-up tests are very important. In such methods, the phenomena of flow-induced vibrations are not accurately predicted but sometimes conservatively evaluated. This newly developed program provides the function to predict the influence of fluid pulsations on piping vibrations. In this paper, the development and application result of the program are presented.

• OSTI ID: 136831
• Report Number(s): CONF-950740--; ISBN 0-7918-1344-4
• Country of Publication: United States
• Language: English

Related Subjects

22 GENERAL STUDIES OF NUCLEAR REACTORS
CALCULATION METHODS
DESIGN
FINITE ELEMENT METHOD
FLUID FLOW
MECHANICAL VIBRATIONS
NUCLEAR POWER PLANTS
PIPES
THEORETICAL DATA
VALIDATION