Artificial boundary setting for dynamic time-history analysis of deep buried underground caverns in earthquake disaster

被引：0
|
作者：
Zhang Zhiguo [1 ,2 ]
Chen Juntao [1 ,3 ]
Xiao Ming [1 ,3 ]
机构：
[1] Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan 430072, Peoples R China
[2] Changjiang Inst Survey Planning Design & Res, Wuhan 430010, Peoples R China
[3] Wuhan Univ, Key Lab Rock Mech Hydraul Struct Engn, Minist Educ, Wuhan 430072, Peoples R China
来源：
DISASTER ADVANCES | 2012年 / 5卷 / 04期
关键词：
Underground caverns; Dynamic time-history; Artificial boundary;
D O I：
暂无
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
A novel method of artificial boundary setup for dynamic time-history analysis of deep buried underground caverns is proposed based on the distribution of seismic wave field. Using this method, an analytical method is employed to solve wave field reflected by ground surface and thus finite element model is not necessary to establish to ground. Based on wave field decomposition principle, only scattered wave is allowed to pass through the surrounding boundary to ensure calculation precise. Theoretical experiment and practical engineering simulation are conducted and it is shown that, presented method has high calculation precise of artificial boundary to satisfy the dynamic time-history analysis of deep buried underground caverns and the finite elements can be effectively reduced to shorten the calculation time-consuming.
引用
收藏
页码：1136 / 1142
页数：7
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