[1]章旭斌,谢志南,廖振鹏.SH波动模拟中透射边界反射放大失稳研究[J].哈尔滨工程大学学报,2019,40(06):1031-1035,1042.[doi:10.11990/jheu.201801042]
 ZHANG Xubin,XIE Zhinan,LIAO Zhenpeng.Reflection amplification instability of the transmitting boundary in SH wave simulation[J].hebgcdxxb,2019,40(06):1031-1035,1042.[doi:10.11990/jheu.201801042]
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SH波动模拟中透射边界反射放大失稳研究(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年06期
页码:
1031-1035,1042
栏目:
出版日期:
2019-06-05

文章信息/Info

Title:
Reflection amplification instability of the transmitting boundary in SH wave simulation
作者:
章旭斌1 谢志南1 廖振鹏12
1. 中国地震局工程力学研究所 中国地震局地震工程与工程振动重点实验室, 黑龙江 哈尔滨 150080;
2. 哈尔滨工程大学 船舶工程学院, 黑龙江 哈尔滨 150001
Author(s):
ZHANG Xubin1 XIE Zhinan1 LIAO Zhenpeng12
1. Institute of Engineering Mechanics, China Earthquake Administration, Key Laboratory of Earthquake Engineering and Engineering Vibration of China Earthquake Administration, Harbin 150080, China;
2. College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China
关键词:
SH波动数值模拟有限元法人工边界透射边界反射放大失稳反射系数人工波速
分类号:
P315;P631
DOI:
10.11990/jheu.201801042
文献标志码:
A
摘要:
为进一步研究波动模拟中透射边界存在的反射放大失稳现象,本文针对透射边界在SH波动模拟中的应用,基于透射边界反射系数,揭示了透射边界引发的反射放大失稳规律。论证了此类失稳与具体的内域离散格式无关,仅是人工波速选择不当所致,并给出了合理的人工波速取值范围以避免失稳,同时指出了引起失稳的波动为数值模拟中无意义的成分。本文研究结果适用于一维、二维和三维SH波动,并对于在多维情况下认识和避免反射放大失稳具有重要意义。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-01-14。
基金项目:中国地震局工程力学研究所基本科研业务费专项资助项目(2017B08);国家自然科学基金项目(51808516,51678539);黑龙江省国家科技重大专项和重点研发项目基金(GX16C006)
作者简介:章旭斌,男,助理研究员,博士;谢志南,男,副研究员;廖振鹏,男,研究员,教授,中国工程院院士.
通讯作者:谢志南,E-mail:xiezhinan1984@gmail.com.
更新日期/Last Update: 2019-06-03