Probabilistic Fracture Mechanics Round Robin Analysis of Reactor Pressure Vessels during Pressurized Thermal Shock
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概要
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In this study, round robin problems for the failure probabilities of a reactor pressure vessel are solved using the probabilistic fracture mechanics code. The flaw distribution and flaw density were modified to incorporate the effects of inspection quality. Then, the impact of the inspection quality and other key parameters on the failure probability was quantitatively evaluated. The results showed that the effect of inspection quality on the failure probability has the same characteristics irrespective of the two quite different transients and the wide range of fluence level. Overall, the various inspection qualities considered in this study resulted in about an order of magnitude difference in failure probability. Additionally, it was found that the effect of warm prestressing on the failure probability depends on the characteristics of the transients.
論文 | ランダム
- 出土人骨からみた寿命(縄文時代) (寿命特集) -- (日本人の寿命)
- はしがき(我が国の都市問題,共同研究)
- はしがき(我が国の都市問題,共同研究)
- 人口分析の環(小林和正教授退官記念号 : 東南アジアの人口)
- 東南アジアの人口増加と死亡率低下(小林和正教授退官記念号 : 東南アジアの人口)