[1]唐晖,李小军,周国良.透射边界在求解波源问题中的应用研究[J].世界地震工程,2016,(03):137-144.
 TANG Hui,LI Xiaojun,ZHOU Guoliang.Study on application of transmitting boundary to solving wave source problems[J].,2016,(03):137-144.
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透射边界在求解波源问题中的应用研究
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《世界地震工程》[ISSN:/CN:]

卷:
期数:
2016年03期
页码:
137-144
栏目:
出版日期:
2016-10-15

文章信息/Info

Title:
Study on application of transmitting boundary to solving wave source problems
作者:
唐晖1 李小军2 周国良1
1. 环境保护部核与辐射安全中心, 北京 100082;
2. 中国地震局地球物理研究所, 北京 100081
Author(s):
TANG Hui1 LI Xiaojun2 ZHOU Guoliang1
1. Nuclear and Radiation Safety Center, MEP, Beijing 100082, China;
2. Institute of Geophysics, China Earthquake Administration, Beijing 100081, China
关键词:
透射边界波源问题人工波速高频失稳计算精度
Keywords:
transmitting boundarywave source problemartificial wave velocityhigh-frequency instabilitycalculation accuracy
分类号:
TU4
摘要:
针对应用透射边界求解波源问题的过程提出了一项简单易行的具体措施,即在试算一定时间长度的基础上通过相关处理获得对应于每个边界节点的人工波速,并应用于透射边界人工波速的设置中。数值实验证明,在波源问题的求解中采用这种方法选择人工波速,可以在不增加计算失稳风险的同时,提高数值计算精度。
Abstract:
In this paper, an easy and simple specific measure was proposed for the application of transmission boundary source problem. we can get the artificial wave velocity of every point on boundary by correlative processing based on the trial computation. Numerical experiments prove that this method can increase accuracy of calculation without increasing the computational instability risk in solving the wave source problem.

参考文献/References:

[1] 廖振鹏,刘晶波. 波动有限元模拟的基本问题[J].中国科学(B辑):1992,8:874-882. LIAO Zhen-Peng, LIU Jing-Bo. Fundamental problems in finite element simulation of wave motion. Science in China(B), 1992, 35(11):1353-1364.
[2] 关慧敏,廖振鹏. 一种改善多次透射边界稳定性的措施[J].地震工程与工程振动:1997,4:1-8. GUAN Hui-Ming, LIAO Zhen-Peng. A method for eliminating instability of multi-transmitting boundary. Journal of Earthquake Engineering and Engineering Vibration, 1997, 4:1-8.
[3] 唐晖, 李小军, 李真. 显式积分格式对局部透射边界高频失稳的抑制和消除作用[J]. 世界地震工程:2010,26(4):50-54. TANG Hui, LI Xiaojun, LI Zhen. The effect of the explicit integration for depressing and eliminating the high-frequency instability induced by local transmitting boundary[J]. World Earthquake Engineering, 2010, 26(4):50-54.
[4] 谢志南,廖振鹏. 透射边界高频失稳机理及其消除方法——SH波动[J]. 力学学报:2012,44(4):765-751. XIE Zhinan, LIAO Zhenpeng. Mechanism of high frequency instability caused by transmitting boundary and method of its elimination-SH wave[J]. Chinese Journal of Theoretical and Applied Mechanics, 2012, 44(4):765-751.
[5] Shevchenko I, Wohlmuth B. Self-adapting absorbing boundary conditions for the wave equation[J]. Wave Motion, 2012, 49(4):461-473.
[6] 廖振鹏.工程波动理论导论[M].北京:科学出版社,2003. LIAO Zhenpeng. Introduction to wave motion theories for engineering[M]. Beijing:Science press, 2003.

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备注/Memo

备注/Memo:
收稿日期:2015-09-22;改回日期:2016-05-13。
基金项目:国家科技重大专项课题(2013ZX06002001-9)
作者简介:唐晖(1978-),女,博士,副研究员,主要从事场地地震反应分析及核电站结构抗震分析等相关地震工程领域研究.E-mail:tanghui1978@163.com
更新日期/Last Update: 1900-01-01