封装结构强电磁脉冲多物理效应并行计算程序研制

赵振国; 李光荣; 童杰; 徐刚; 周海京

doi:10.11884/HPLPB201830.170429

封装结构强电磁脉冲多物理效应并行计算程序研制

doi: 10.11884/HPLPB201830.170429

赵振国^{1, 2,},
李光荣^{1, 2},
童杰⁴,
徐刚³,
周海京^{1, 2}

1.
中物院高性能数值模拟软件中心, 北京 100088
2.
北京应用物理与计算数学研究所, 北京 100094
3.
中国工程物理研究院电子工程研究所, 四川绵阳 621900
4.
浙江大学光与电磁波研究中心, 杭州 310058

基金项目:

国家自然科学基金项目 11675022

国家自然科学基金项目 6143104

科学挑战专题资助项目 TZ2018002

；中物院复杂电磁环境重点实验室基金项目 FZ2018-001

详细信息

作者简介:
赵振国(1987―)，男，助理研究员，主要从事电路、半导体器件、系统级封装高性能数值模拟研究；346788393@qq.com

中图分类号: TN385;T974
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- 被引次数: 0
出版历程
- 收稿日期: 2017-11-02
- 修回日期: 2018-04-17
- 刊出日期: 2018-08-15

Development of massively parallel simulation software applied to multi-physics effect with electromagnetic pluses excitation

Zhao Zhenguo^{1, 2
,},
Li Guangrong^{1, 2},
Tong Jie⁴,
Xu Gang³,
Zhou Haijing^{1, 2}

1.
Software Center for High Performance Numerical Simulation of CAPE, Beijing 100088, China
2.
Institute of Applied Physics and Computational Mathematics, Beijing 100094, China
3.
Institute of Electronics Engineering, CAEP, Mianyang 621900, China
4.
Center for Optics and EM Research, Zhejiang University, Hangzhou 310058, China

摘要

摘要: 介绍了自主研发的强电磁脉冲多物理效应并行计算程序JEMS-CDS-System的情况，该程序采用时域有限元方法，基于JAUMIN并行自适应结构网格支撑框架研制，并行效能高，可扩展性强，且支持动态负载平衡。通过算例测试表明，该程序对于键合线的电-热-应力失效过程的最高温度与范式等效应力计算结果与COMSOL软件计算结果吻合较好；SiP功率放大模块的热-应力耦合天河2高性能计算平台并行计算结果表明，该程序在CPU1024核时，具有38.1%并行效率。
- 电磁脉冲效应 /
- 多物理效应 /
- 并行计算 /
- 系统级封装
Abstract: This paper presents the study of massively parallel simulation of multi-physics effect with electromagnetic pluses excitation using a high-performance computing scheme based on JAUMIN. Our in-house time-domain finite element parallel program JEMS-CDS-System is employed for simulating the electro-thermo-mechanical responses of bonding wire arrays and their highest temperatures and von Mises stress are captured and validated in comparison with those of the commercial simulator COMSOL. The thermo-mechanical responses of a part of SiP are simulated and parallel efficiency of our parallel program is assessed by the experiment of its strong parallel scalability. Our parallel program can reach a speedup of 6.095 and strong scalability efficiency of 38.1% on 1024 CPU cores.
- electromagnetic pluses effect /
- multi-physics effect /
- massively parallel simulation /
- system in package

HTML全文

图 1 网格层次结构

Figure 1. Hierarchical structure of patches

下载: 全尺寸图片幻灯片

图 2 JAUMIN并行计算层次结构

Figure 2. Hierarchical structure of JAUMIN

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图 3 LDMOSFET的输入输出键合线的几何结构尺寸与模型

Figure 3. Photo and geometry of LDMOSFET with input and output bonding wire arrays

下载: 全尺寸图片幻灯片

图 4 JEMS-CDS-System软件计算键合线温度分布图与形变计算结果

Figure 4. Distribution of temperature and displacement with JEMS-CDS-System

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图 5 JEMS-CDS-System软件最高温度、最大应力计算结果与商业软件COMSOL计算结果对比

Figure 5. Comparison between JEMS-CDS-System software and COMSOL results of maximum temperature and maximum stress

下载: 全尺寸图片幻灯片

图 6 SiP结构模型与并行计算进程划分

Figure 6. SiP structure model and parallel computing process division

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图 7 基于JEMS-CDS-System的温度分布与范式等效应力分布计算结果

Figure 7. Distribution of temperature and distribution of von Mises stress with JEMS-CDS-System

下载: 全尺寸图片幻灯片

表 1 验证性并行计算相关参数

Table 1. Parallel scalability of the proposed simulation

number of CPU cores	time of one step/s	speedup	efficiency/%
64	1035.0	1×	100
128	718.2	1.265×	72.1
256	486.4	2.128×	53.2
512	259.9	3.982×	49.8
1024	169.8	6.095×	38.1

下载: 导出CSV

参考文献(9)

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