60Co运输包装安全性验证仿真研究

Dong Meng, Guoqiang Li, Jiangang Zhang, Dajie Zhuang, Renze Wang, Hongchao Sun, Shutang Sun, Xuexin Wang, Zheng-Jie Hong
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引用次数: 0

摘要

放射性物质运输安全是核安全的一个重要分支。在放射性物质运输包装的安全性评价中,经常采用实验与模拟相结合的方法。本文对一种60Co源运输集装箱进行了有限元仿真研究。介绍了封装实验的情况和有限元模拟方法。采用几种不同的材料模型进行了模拟,并将模拟结果与实验数据进行了比较。结果表明,所有计算结果都是保守的,对木材采用双线性硬化模型较好,而对钢采用双线性硬化加失效应变模型。说明了有限元模拟的可行性和材料模型的重要性。最后对下一步有限元模拟的方向进行了讨论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simulation research on safety verification of 60Co transportation package
Radioactive Material Transport safety is an important branch of nuclear safety. In the safety evaluation for radioactive material transport package, the combination of experiment and simulation is often used. This paper studied the finite element simulation of a kind of 60Co source transport container. The situation of the package experiment and the finite element simulation method were introduced. Several different material models were used to simulate and their results were compare with the experimental data. The results showed that all the calculations were conservative and the bilinear hardening model was better for wood while bilinear hardening with failure strain model for steel. The feasibility of finite element simulation and the importance of material model were illustrated. Finally, some direction of the next step for finite element simulation was discussed.
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