IMECH-IR  > 非线性力学国家重点实验室
Uncertainty and universality in the power-law singularity as a precursor of catastrophic rupture
Jin Y(金渊); Xia MF(夏蒙棼); Wang HY(汪海英); Wang, HY; Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
2012-06-01
Volume55Issue:6Pages:1098-1102
ISSN1674-7348
AbstractThe prediction of catastrophic rupture of heterogeneous brittle material has been investigated by researchers in the past. In this work, the acoustic emission generated by marble samples under compression was analyzed to verify a power law singularity of index -1/2 as a catastrophe precursor. It is found that prior to catastrophe, the variation of the system response to the controlling parameter follows a power law of negative index, which proves the power law singularity as a common precursor of catastrophe. However, the power indexes vary with variables and samples. The uncertainty reflects sample specificity of an evolution induced catastrophe (EIC) process.
KeywordUncertainty Universality Power-law Singularity Catastrophic Rupture Acoustic Emission Shear Fracture Critical-point Earthquakes Evolution Mechanics Solids Cannot Rock
Subject Area损伤、破坏机理和微结构演化
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000304351900026
DepartmentLNM冲击动力学与新型材料力学性能
Classification二类/Q3
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46729
Collection非线性力学国家重点实验室
Corresponding AuthorWang, HY; Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Jin Y,Xia MF,Wang HY,et al. Uncertainty and universality in the power-law singularity as a precursor of catastrophic rupture[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2012,55(6):1098-1102
APA 金渊,夏蒙棼,汪海英,Wang, HY,&Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China..(2012).Uncertainty and universality in the power-law singularity as a precursor of catastrophic rupture.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,55(6),1098-1102.
MLA 金渊,et al."Uncertainty and universality in the power-law singularity as a precursor of catastrophic rupture".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 55.6(2012):1098-1102.
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