| PWR堆芯燃料组件非线性梁模型研究 |
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| 引用本文： | 古成龙,杨钰莹,郭严.PWR堆芯燃料组件非线性梁模型研究[J].核动力工程,2020,41(5):65-69. |
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| 作者姓名： | 古成龙 杨钰莹 郭严 |
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| 作者单位： | 中广核研究院有限公司,广东深圳,518031,中广核研究院有限公司,广东深圳,518031,中广核研究院有限公司,广东深圳,518031 |
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| 摘 要： | 为描述燃料组件的非线性特性，采用有限元方法建立燃料组件横向梁模型，并引入迟滞模型，用于模拟燃料组件横向变形时的非线性效应。计算结果表明:该非线性梁模型能够更准确地获得组件的弯曲变形和受力，有助于开展燃料组件事故分析。
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| 关 键 词： | 燃料组件 梁模型 非线性效应 有限元分析 |
Study on Nonlinear Beam Model of PWR Fuel Assembly |
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| Gu Chenglong,Yang Yuying,Guo Yan.Study on Nonlinear Beam Model of PWR Fuel Assembly[J].Nuclear Power Engineering,2020,41(5):65-69. |
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| Authors: | Gu Chenglong Yang Yuying Guo Yan |
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| Abstract: | In order to describe the nonlinear characteristics of the fuel assembly, a lateral beam model of assembly is built by the finite element method. The beam model is embedded with the hysteretic model to simulate the nonlinear effect occurred at lateral deformation. The calculation shows that the bending deformation and force can be derived from the nonlinear beam model, which is beneficial for the analysis of fuel assembly accidents. |
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