Abstract:Recently, it has been reported that a rupture of the piping in an earthquake is produced not by a momentary large load but by cumulative fatigue damage. Then it is expected that the rupture of equipment and piping that have high natural frequency is also caused by cumulative fatigue damage. Therefore it is very important to grasp this effect accurately. In this study, vibration characteristics at high frequency band are investigated. At first numerical analyses are carried out. In the analysis, elasto-plastic … Show more
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