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A numerical study on dynamic shear rupture along frictional faults
Xu DD; Liu ZL; Liu XM(刘小明); Zhuang Z; Zhuang, Z (reprint author), Tsinghua Univ, Sch Aerosp Engn, Beijing 100084, Peoples R China.
Source PublicationINTERNATIONAL JOURNAL OF DAMAGE MECHANICS
2016-01
Volume25Issue:1Pages:69-86
ISSN1056-7895
AbstractThe Wenchuan earthquake (Sichuan province, China, 2008) was caused by the dynamic rupture of Longmen Mountain fault. Such catastrophic disaster had led to a huge damage of life as well as major economic loss. The Longmen Mountain fault consisted of three faults with complex geometries, which gathered together as a main fault underground. The dynamic shear ruptures along the faults including bends and branches are frequently observed during earthquakes. In this study, the finite element method (FEM) is adopted to simulate the dynamic ruptures along both straight and branched faults, which are considered as frictional interfaces. A slip-weakening friction law is used to describe the interface behavior along faults. For the straight fault, the effects of pre-stress state and nucleation parameters on the dynamic shear rupture process are investigated; for the branched faults, the effects of pre-stress state and fault geometry on the rupture path selection are presented. The results are used to explain the rupture mechanism of Longmen Mountain fault during the earthquake.
KeywordEarthquake Dynamic Shear Rupture Frictional Fault Straight And Branched Faults Finite Element Method
DOI10.1177/1056789515583342
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000366609200006
WOS KeywordLABORATORY EARTHQUAKES ; SUPERSHEAR ; TRANSITION
WOS Research AreaMaterials Science ; Mechanics
WOS SubjectMaterials Science, Multidisciplinary ; Mechanics
Funding OrganizationThe author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work is supported by the National Natural Science Foundation of China under Grant No. 11372157 and The Special Research Grant for Doctor Discipline by Ministry of Education of China under Grant No. 20120002110075.
DepartmentLNM新型材料及结构的多尺度力学
Classification二类/Q2
RankingFalse
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58656
Collection非线性力学国家重点实验室
Corresponding AuthorZhuang, Z (reprint author), Tsinghua Univ, Sch Aerosp Engn, Beijing 100084, Peoples R China.
Recommended Citation
GB/T 7714
Xu DD,Liu ZL,Liu XM,et al. A numerical study on dynamic shear rupture along frictional faults[J]. INTERNATIONAL JOURNAL OF DAMAGE MECHANICS,2016,25(1):69-86.
APA Xu DD,Liu ZL,刘小明,Zhuang Z,&Zhuang, Z .(2016).A numerical study on dynamic shear rupture along frictional faults.INTERNATIONAL JOURNAL OF DAMAGE MECHANICS,25(1),69-86.
MLA Xu DD,et al."A numerical study on dynamic shear rupture along frictional faults".INTERNATIONAL JOURNAL OF DAMAGE MECHANICS 25.1(2016):69-86.
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