基于结构重用的事件树复杂边界条件处理方法

许银龙; 陈珊琦; 王家群; 汪进; 王芳

doi:10.11889/j.0253-3219.2016.hjs.39.070602

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基于结构重用的事件树复杂边界条件处理方法

核能科学与工程 | 更新时间：2021-05-24

- 基于结构重用的事件树复杂边界条件处理方法
- Processing method of complex boundary condition in event-trees based on structure reuse
- 核技术 2016年39卷第7期文章编号：070602
- 作者机构：
  
  1.中国科学院核能安全技术研究所中子输运理论与辐射安全重点实验室合肥 230031;
  2.中国科学技术大学合肥 230027
- 作者简介：
  
  [ "许银龙,男,1987年出生,2011年毕业于英国曼彻斯特大学,现为博士研究生,研究领域为核电厂概率安全分析软件开发", "XU Yinlong, male, born in 1987, graduated from University of Manchester in the UK in 2011, doctor student, focusing on nuclear power plant probability safety analysis software development" ]
  王芳, E-mail:fang.wang@fds.org.cn WANG Fang, E-mail:fang.wang@fds.org.cn
- 基金信息：
  
  国家ITER973计划(No.2015GB116000);合肥物质科学技术中心重要/创新项目培育基金(No.2014FXCX004);中国科学院科技数据资源整合与共享工程“重点数据库”项目(No.XXH12504-1-09);国家自然科学基金资助(No.11405204)
- DOI：10.11889/j.0253-3219.2016.hjs.39.070602
  中图分类号： TL364<sup>+</sup>.5
- 收稿日期：2016-03-07，
  
  修回日期：2016-03-29，
  
  纸质出版日期：2016-07
- 稿件说明：
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许银龙, 陈珊琦, 王家群, 等. 基于结构重用的事件树复杂边界条件处理方法[J]. 核技术, 2016,39(7):070602

Yinlong XU, Shanqi CHEN, Jiaqun WANG, et al. Processing method of complex boundary condition in event-trees based on structure reuse[J]. Nuclear techniques, 2016, 39(7): 070602
许银龙, 陈珊琦, 王家群, 等. 基于结构重用的事件树复杂边界条件处理方法[J]. 核技术, 2016,39(7):070602 DOI： 10.11889/j.0253-3219.2016.hjs.39.070602.

Yinlong XU, Shanqi CHEN, Jiaqun WANG, et al. Processing method of complex boundary condition in event-trees based on structure reuse[J]. Nuclear techniques, 2016, 39(7): 070602 DOI： 10.11889/j.0253-3219.2016.hjs.39.070602.

摘要

事件树分析是核电厂概率安全分析中最常用的方法之一，在运用该方法进行定性定量分析时首先需要将模型中的序列/后果链接形成相应的序列/后果故障树，该过程中一般通过边界条件和成功分支处理准则等设置来保证最终故障树达到指定要求。为解决由于复杂边界条件设置导致的最终故障树结构冗余问题，本文提出了一种基于结构重用的事件树复杂边界条件处理方法。经大量实例验证，该方法完全正确，可显著提高概率安全分析软件事件树分析速度，并为核电厂的实时风险分析提供了技术基础。

Abstract

Background:

Classical fault-tree link method is usually used in event-tree analysis to convert sequence/consequence into final sequence/consequence fault-tree models

during which boundary condition and success branch treatment are set to ensure the final model satisfying certain requirement.

Purpose:

This study aims to solve the structure redundancy problem caused by complex boundary setting in the final fault trees.

Methods:

Based on structure reuse

a processing method of complex boundary condition in event-tree is proposed.

Results:

Processing speed of this method is significantly improved for event tree analysis under the condition that the qualitative and quantitative result is identical.

Conclusion:

This complex boundary condition processing method provides an efficient solution for real time risk analysis of nuclear power plant.

关键词

Keywords

references

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