IMECH-IR  > 流固耦合系统力学重点实验室
Effects of imperfect experimental conditions on stress waves in SHPB experiments
Wu XQ(吴先前); Yin QY(殷秋运); Wei YP(魏延鹏); Huang CG(黄晨光); Wu XQ(吴先前)
Source PublicationActa Mechanica Sinica
2015-08-14
Volume31Issue:6Pages:827-836
AbstractExperimental and numerical simulations were undertaken to estimate the effects of imperfect conditions on stress waves in split Hopkinson pressure bar (SHPB) experiments. The photonic Doppler velocimetry (PDV) measurement results show that the rise and fall times of an incident wave increases with an increasing inclination angle; also, the fluctuations of the incident wave disappear gradually with the increase of inclination angle. The following characteristics for various defects in the SHPB were obtained by numerical simulation: (1) the influence of a curved bar was negligible; (2) misalignment modestly affects the fluctuation characteristics, and bending waves were generated at this condition; (3) inclination and indentation of the impact end-surface had a great impact on the incident waves, and both of them increase the rise time of the incident wave by increasing the degree of defects. In view of the results, misalignment, inclination, and indentation in SHPB experiments should be minimized. © 2015, The Chinese Society of Theoretical and Applied Mechanics; Institute of Mechanics, Chinese Academy of Sciences and Springer-Verlag Berlin Heidelberg.
DOI10.1007/s10409-015-0439-0
Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000367452900005
Funding OrganizationNational Natural Science Foundation of China for financial support
CSCD IDCSCD:5596376
DepartmentLMFS冲击与耦合效应(LHO)
Classification二类
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58349
Collection流固耦合系统力学重点实验室
Corresponding AuthorWu XQ(吴先前)
Recommended Citation
GB/T 7714
Wu XQ,Yin QY,Wei YP,et al. Effects of imperfect experimental conditions on stress waves in SHPB experiments[J]. Acta Mechanica Sinica,2015,31(6):827-836.
APA Wu XQ,Yin QY,Wei YP,Huang CG,&吴先前.(2015).Effects of imperfect experimental conditions on stress waves in SHPB experiments.Acta Mechanica Sinica,31(6),827-836.
MLA Wu XQ,et al."Effects of imperfect experimental conditions on stress waves in SHPB experiments".Acta Mechanica Sinica 31.6(2015):827-836.
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