Athree-wavecouplingmethodfordatatreatment

inSHPBexperimentswithmetalsamples

SHANG Bing; HU Shi-sheng; JIANG Xi-quang

doi:10.11883/1001-1455(2010)04-0429-04

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SHANG Bing, HU Shi-sheng, JIANG Xi-quang. Athree-wavecouplingmethodfordatatreatmentinSHPBexperimentswithmetalsamples[J]. Explosion And Shock Waves, 2010, 30(4): 429-432. doi: 10.11883/1001-1455(2010)04-0429-04

Citation:

SHANG Bing, HU Shi-sheng, JIANG Xi-quang. Athree-wavecouplingmethodfordatatreatment inSHPBexperimentswithmetalsamples[J]. Explosion And Shock Waves, 2010, 30(4): 429-432. doi: 10.11883/1001-1455(2010)04-0429-04

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Athree-wavecouplingmethodfordatatreatment inSHPBexperimentswithmetalsamples

doi: 10.11883/1001-1455(2010)04-0429-04

1.
SchoolofAerospaceandAeronautics,TsinghuaUniversity,Beijing100084,China;
2.
UniversityofScienceandTechnologyofChina,Hefei230026,Anhui,China;
3.
ArtilleryAcademy,Hefei230027,Anhui,China

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Corresponding author: SHANG Bing
Publish Date: 2010-07-25

Abstract

Abstract

Therelativepositionsofincidentwave,transmission waveandreflection wavecanbe changedbytheself-developedprogram.Whentherelativepositionofthewavesisadjusted,theselfdevelopedprogramgivestwoimages. Oneimagedisplaysincident,transmission,reflectionwavesand thedifferencebetweentransmissionandincidentwaves.Theotherimagelaysoutthethreestrainstresscurvesofthespecimen. Thethreecurvesareplottedseparatelythroughincidentandtransmissionwaves, incidentandreflectionwaves,andthethreewavesfromthefirstimage.Accordingtothe basicassumptionsoftheSHPBexperiment,thethreecurvesshouldbeconsistentintheplasticregion, andthedifferenceoftransmissionandincidentwavesshouldbeequaltothereflectivewave. Thetwoequivalentcharacteristicscanbeusedascriteriaoftreatingtheexperimentaldatacorrectlyor not.Thisexperimentaldatatreatmentmethodiscalledthethree-wavecheckingmethod.
- solidmechanics,
- three-wavecoupling,
- SHPB,
- dataprocessing