吴斌,俞盛朋,程梦云,宋婧,龙鹏程,胡丽琴,吴宜灿

• 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

摘要(Abstract)：

复杂反应堆存在精细几何结构,传统手工方式建模难以保证计算模型的精度。本文发展了基于辅助面的复杂结构智能分解技术和样条面处理方法,能够将复杂精细模型自动精准地转换为蒙特卡罗计算模型。本文对基于SuperMC建立的精细的国际热核聚变实验堆(ITER)C-Lite模型和手工建立的Benchmark模型典型部件的体积进行对比,结果显示该方法使得ITER的建模精度提升了近10倍。

关键词(KeyWords)： 复杂精细模型;蒙特卡罗输运计算;精准建模

Abstract:

Keywords:

基金项目(Foundation): 中国科学院战略性先导科技专项XDA03040000;; 国家自然科学基金91026004与11305205;; 国家ITER973计划2014GB112001等资助

作者(Author): 吴斌,俞盛朋,程梦云,宋婧,龙鹏程,胡丽琴,吴宜灿

参考文献(References)：

• [1]K.Khattab,et al.Assessment of fuel conversion from HEU to LEU in the Syrian MNSR reactor using the MCNP code[J].Progress in Nuclear Energy,2009,51:727-730.
• [2]钟兆鹏,等.MCNP程序在反应堆临界计算中的应用[J].核动力工程,2003,24(1):8-11.
• [3]郑善良,等.ITER上窗口屏蔽中子学分析研究[J].核科学与工程,2005,25(4):361-366.
• [4]A.Araujo,et al.Flux and Dose Rate Evaluation of ITER System Using MCNP5[J].Brazlian Journal of Physics,2010,40(1).
• [5]M.J.Loughlin,et al.ITER approach to interfacing CAD systems with the nuclear analysis program MCNP[J].Nuclear Technology,2011,175(1):271-275.
• [6]Y.Wu,et al.CAD-based Monte Carlo Program for Integrated Simulation of Nuclear System SuperMC[J].Annals of Nuclear Energy,2015,82:161-168.
• [7]J.Song,et al.Benchmarking of CAD-based SuperMC with ITER benchmark model[J].Fusion Engineering and Design,2014,89(11):2499-2503.
• [8]Y.C.Wu,et al.A Discrete Ordinates Nodal Method for One-Dimensional Neutron transport Numerical Calculation in Curvilinear Geometries[J].Nuclear Science and Engineering,1999,133:350-357.
• [9]刘晓平,等.基于半空间面理论的蒙特卡罗输运仿真模型研究[J].计算机应用,2000,第20卷增刊.
• [10]Y.Wu,FDS Team.CAD-based Interface Programs for Fusion Neutron Transport Simulation[J],Fusion Engineering and Design,2009,84:1987-1992.
• [11]Y.Li,et al.Benchmarking of MCAM4.0 with the ITER 3D Model[J].Fusion Engineering and Design,2007,82:2861-2866.
• [12]吴宜烛,等.多物理耦合分析自动建模软件SuperMC/MCAM 5.2的设计与实现[J].原子能科学技术,2015,49:23-28.
• [13]Y Wu,FDS Team.Conceptual Design Activities of FDS Series Fusion Power Plants in China[J],Fusion Engineering and Design,2006,81(23-24):2713-2718.
• [14]L.J.Qiu,et al.A Low Aspect Ratio Tokamak Transmutation System[J].Nuclear Fusion,2000,40:629-633.
• [15]Y.Wu,et al.A Fusion-Driven Subcritical System Concept Based on Viable Technologies[J].Nuclear Fusion,2011,51(10),103036.
• [16]Y.Wu,FDS Team.Conceptual Design and Testing Strategy of a Dual Functional Lithium-Lead Test Blanket Module in ITER and EAST[J].Nuclear Fusion,2007,47(11):1533-1539.
• [17]Y.Wu,FDS Team.Fusion-Based Hydrogen Production Reactor and Its Material Selection[J].Journal of Nuclear Materials,2009,386-388:122-126.
• [18]Y.Wu.Design Status and Development Strategy of China Liquid Lithium-lead Blankets and Related Material Technology[J].Journal of Nuclear Materials,2007,367:1410-1415.
• [19]Y.Wu.Design Analysis of the China Dual-functional Lithium Lead(DFLL)Test Blanket Module in ITER[J].Fusion Engineering and Design,2007,82:1893-1903.
• [20]王国忠,等.MCAM4.8在ITER建筑大厅中子学建模中的应用[J].核科学与工程,2011,31(4):351-355.
• [21]M.Loughlin,et al.ITER Nuclear Analysis Strategy and Requirements[J].Fusion Science and Technology,2009,56(2):566-572.
• [22]罗月童,等.基于面壳封闭的B-REP至CSG转换算法[J].计算机辅助设计与图形学学报,2014,26(10):1673-1680.
• [23]P.P.H.Wilson,et al.State-of-the-art 3-D radiation transport methods for fusion energy systems[J].Fusion Engineering and Design,2008,83:824-833.
• [24]R.Pampin,et al.Developments and needs in nuclear analysis of fusion technology[J].Fusion Engineering and Design,2013,88:454-460.