基于PANDA平台的多点基础激励谐响应的并行计算

doi:10.19596/j.cnki.1001-246x.7708

计算物理 ›› 2018, Vol. 35 ›› Issue (4): 443-450.DOI: 10.19596/j.cnki.1001-246x.7708

基于PANDA平台的多点基础激励谐响应的并行计算

于晨阳, 范宣华, 王柯颖, 肖世富

中国工程物理研究院总体工程研究所, 绵阳 621999

收稿日期:2017-06-01 修回日期:2017-08-22 出版日期:2018-07-25 发布日期:2018-07-25
通讯作者: 范宣华(1981-),男,博士,研究员,E-mail:fanxh@caep.cn
基金资助:
科技部国家重点研发计划课题（2016YFB0201005）；国家自然科学基金（11472256）；科学挑战专题（TZ2018002）；及中国工程物理研究院院长基金及双百人才基金（YZ2015011、ZX04003）资助项目

Parallel Computing of Multipoint-Base-Excited Harmonic Response with PANDA Platform

YU Chenyang, FAN Xuanhua, WANG Keying, XIAO Shifu

Institute of Systems Engineering, CAEP, Mianyang 621999, China

Received:2017-06-01 Revised:2017-08-22 Online:2018-07-25 Published:2018-07-25

摘要/Abstract

摘要： 基于PANDA自主并行计算平台，采用模态叠加法对多点基础激励作用下的谐响应分析开展算法设计和并行实现研究，构建相应的并行求解模块.结合商业有限元软件对研发模块的正确性进行验证；将该模块应用于某光机装置，实现11.88亿自由度超大规模的高效并行求解.结果表明：研发的多点基础激励谐响应分析模块可用于复杂装备的高效精细数值模拟，具备强大的并行计算能力，最大可扩展CPU核数可达数千个，远超现有通用商业有限元软件.

关键词: PANDA平台, 多点基础激励, 大规模并行计算, 谐响应, 有限元

Abstract: Based on self-developped parallel software platform PANDA, algorithm design and parallel implementation of multipoint-base-excited harmonic response were carried out via modal superposition method. Corresponding parallel solution module was constructed, rightness of which is validated by comparisons with commercial FE software. Parallel module was successfully applied to harmonic response analysis of SG facility. An effective parallel solution of extensive computing scale up to 1.188 billion DOFs was achieved. It shows that parallel solution module is suitable to large-scale refined harmonic response analysis of complex equipments, behaving a strong parallel computing scalability up to thousands of CPU processors, and going far beyond the scale of commercial FE software.

Key words: PANDA platform, multi-point base excitation, large-scale parallel computation, harmonic response, finite element method

中图分类号:

TB123
TP311

于晨阳, 范宣华, 王柯颖, 肖世富. 基于PANDA平台的多点基础激励谐响应的并行计算[J]. 计算物理, 2018, 35(4): 443-450.

YU Chenyang, FAN Xuanhua, WANG Keying, XIAO Shifu. Parallel Computing of Multipoint-Base-Excited Harmonic Response with PANDA Platform[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2018, 35(4): 443-450.

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基于PANDA平台的多点基础激励谐响应的并行计算

Parallel Computing of Multipoint-Base-Excited Harmonic Response with PANDA Platform

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