On the use of a viscoelastic split hopkinson pressure bar
To test weak materials such as foams at high strain rates, the use of a Split Hopkinson Pressure Bar (SHPB) setup made of low impedance bars, which are mostly viscoelastic, is indispensable. In this paper a detailed study of the technical problems of such a viscoelastic setup related to the measurem...
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| Veröffentlicht in: | International journal of impact engineering 1997-04, Vol.19 (4), p.319-330 |
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| container_title | International journal of impact engineering |
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| creator | Zhao, H. Gary, G. Klepaczko, J.R. |
| description | To test weak materials such as foams at high strain rates, the use of a Split Hopkinson Pressure Bar (SHPB) setup made of low impedance bars, which are mostly viscoelastic, is indispensable. In this paper a detailed study of the technical problems of such a viscoelastic setup related to the measurement and to the loading conditions is offered. On the basis of the three-dimensional (3D) Fourier stationary harmonic wave analysis, the wave shifting technique is developed. It is shown that the effect of geometrical dispersion in a viscoelastic setup is generally non-negligible. The case of loading with a viscoelastic projectile is also analysed, showing that the impact of a viscoelastic projectile creates an incident wave with a significant time extension. |
| doi_str_mv | 10.1016/S0734-743X(96)00038-3 |
| format | Article |
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In this paper a detailed study of the technical problems of such a viscoelastic setup related to the measurement and to the loading conditions is offered. On the basis of the three-dimensional (3D) Fourier stationary harmonic wave analysis, the wave shifting technique is developed. It is shown that the effect of geometrical dispersion in a viscoelastic setup is generally non-negligible. 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The case of loading with a viscoelastic projectile is also analysed, showing that the impact of a viscoelastic projectile creates an incident wave with a significant time extension.</description><subject>Engineering Sciences</subject><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Kolsky bar</subject><subject>Measurement and testing methods</subject><subject>Measurement methods and techniques in continuum mechanics of solids</subject><subject>Mechanics</subject><subject>Physics</subject><subject>Solid mechanics</subject><subject>Structural and continuum mechanics</subject><subject>viscoelastic bar</subject><subject>wave dispersion</subject><issn>0734-743X</issn><issn>1879-3509</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNqFkMFLwzAUxoMoOKd_gpCDB3eo5vU1aXOSMdQJgx1U8BayNGHR2pakG_jf266yq6cHj9_33vd9hFwDuwMG4v6V5ZgleYYft1LMGGNYJHhCJlDkMkHO5CmZHJFzchHjJ2OQM84mRK5r2m0t3UVLG0c13ftoGlvp2HlDY1v5jm6b9svXsalpG2yMu2DpRodLcuZ0Fe3V35yS96fHt8UyWa2fXxbzVWIyFF2CtrQcWMkFlk4jE-BywI0rJBblxjgmMmPyVAiAEp1Mi94pSLTSiJT3JnFKZuPdra5UG_y3Dj-q0V4t5ys17PosALzge-hZPrImNDEG644CYGroSh26UkMRSgp16Ephr7sZda2ORlcu6Nr4eBSnArjErMceRsz2effeBhWNt7WxpQ_WdKps_D-PfgHUZHvJ</recordid><startdate>19970401</startdate><enddate>19970401</enddate><creator>Zhao, H.</creator><creator>Gary, G.</creator><creator>Klepaczko, J.R.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope></search><sort><creationdate>19970401</creationdate><title>On the use of a viscoelastic split hopkinson pressure bar</title><author>Zhao, H. ; Gary, G. ; Klepaczko, J.R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-3ede510d563dfa3061f713bf8938dbcf064cc726611d3f928073193e9c6251703</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Engineering Sciences</topic><topic>Exact sciences and technology</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Kolsky bar</topic><topic>Measurement and testing methods</topic><topic>Measurement methods and techniques in continuum mechanics of solids</topic><topic>Mechanics</topic><topic>Physics</topic><topic>Solid mechanics</topic><topic>Structural and continuum mechanics</topic><topic>viscoelastic bar</topic><topic>wave dispersion</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, H.</creatorcontrib><creatorcontrib>Gary, G.</creatorcontrib><creatorcontrib>Klepaczko, J.R.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>International journal of impact engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhao, H.</au><au>Gary, G.</au><au>Klepaczko, J.R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>On the use of a viscoelastic split hopkinson pressure bar</atitle><jtitle>International journal of impact engineering</jtitle><date>1997-04-01</date><risdate>1997</risdate><volume>19</volume><issue>4</issue><spage>319</spage><epage>330</epage><pages>319-330</pages><issn>0734-743X</issn><eissn>1879-3509</eissn><coden>IJIED4</coden><abstract>To test weak materials such as foams at high strain rates, the use of a Split Hopkinson Pressure Bar (SHPB) setup made of low impedance bars, which are mostly viscoelastic, is indispensable. 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| ispartof | International journal of impact engineering, 1997-04, Vol.19 (4), p.319-330 |
| issn | 0734-743X 1879-3509 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Engineering Sciences Exact sciences and technology Fundamental areas of phenomenology (including applications) Kolsky bar Measurement and testing methods Measurement methods and techniques in continuum mechanics of solids Mechanics Physics Solid mechanics Structural and continuum mechanics viscoelastic bar wave dispersion |
| title | On the use of a viscoelastic split hopkinson pressure bar |
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