| 三维有限元-边界元耦合法的并行计算及优化措施 |
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| 引用本文： | 李莉,潘杰,赵曰峰,朱翠霞. 三维有限元-边界元耦合法的并行计算及优化措施[J]. 山东师范大学学报(自然科学版), 2013, 0(4): 86-90 |
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| 作者姓名： | 李莉 潘杰 赵曰峰 朱翠霞 |
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| 作者单位： | [1]济南供电公司,济南250012 [2]山东师范大学物理与电子科学学院,济南250014 [3]枣庄科技职业学院,山东枣庄277500 |
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| 基金项目： | 国家自然科学基金青年基金（41105008）. |
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| 摘 要： | 在应用有限元-边界元耦合法分析大规模三维电磁场数值计算问题时,采用并行计算方式可以有效地节省计算时间和提高求解精度.在介绍并行计算在线性单元和高阶单元问题实施原理的基础上,分别论述了应用自适应交叉逼近技术降低边界元求解区域内存消耗、应用分布式预处理共轭梯度法求解器对复杂且包含易变化部件求解区域进行基于相对编号的建模以提高并行机群的运行效果、应用Borland C＋＋Builder软件实现分析结果导出自动化以降低人工工作量这三种对有限元-边界元耦合法并行计算的优化措施.
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| 关 键 词： | 电磁场 有限元-边界元耦合法 并行计算 自适应交叉逼近 分布式预处理共轭梯度法求解器 |
PARALLEL COMPUTING AND OPTIMIZATIONS OF FINITE ELEMENT AND BOUNDARY ELEMENT COUPLING METHOD |
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| Li Li Pan Jie Zhao Yuefeng Zhu Cuixia. PARALLEL COMPUTING AND OPTIMIZATIONS OF FINITE ELEMENT AND BOUNDARY ELEMENT COUPLING METHOD[J]. Journal of Shandong Normal University(Natural Science), 2013, 0(4): 86-90 |
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| Authors: | Li Li Pan Jie Zhao Yuefeng Zhu Cuixia |
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| Affiliation: | Li Li Pan Jie Zhao Yuefeng Zhu Cuixia ( 1 ) Jinan Power Supply Company,250012, Jinan, China; 2) Sehool of Physies and Electronics Science, Shandong Normal University, 250014, Jinan, China 3 ) Zaozhuang Vocational College of Seienee and Teehnotogy,277500,Zaozhuang, Shandong, China ) |
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| Abstract: | In large-scale three-dimensional electromagnetic field analyses using Finite element and boundary element coupling method,parallel computing can effectively save computing time and improve the precision.This paper gave the fundamental of parallel computing in the linear unit and high order unit problems.Application of adaptive cross approximation technology to reduce memory consumption in the boundary element area,application of distributed preconditioning conjugate gradient method solver to improve operation effect of cluster of computers,and application of using Borland C ＋ ＋ Builder software to reduce artificial workload,were introduced respectively. |
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| Keywords: | electromagnetic field computing adaptive cross approximationfinite element and boundary element coupling method distributed preconditioning conjugate gradient method solverparallel |
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