Partitioning of Clamping Strains in a Nineteen Parallel Wire Strand
We report the first direct measurements of clamping strains within individual wires of a 19 parallel wire strand constrained by a clamshell clamp. In these measurements neutron diffraction was used to determine the elastic strains along three orthogonal axes for all of the individual wires across th...
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| Veröffentlicht in: | Experimental mechanics 2017-07, Vol.57 (6), p.921-937 |
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| container_title | Experimental mechanics |
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| creator | Brügger, A. Lee, S.-Y. Mills, J. A. A. Betti, R. Noyan, I.C. |
| description | We report the first direct measurements of clamping strains within individual wires of a 19 parallel wire strand constrained by a clamshell clamp. In these measurements neutron diffraction was used to determine the elastic strains along three orthogonal axes for all of the individual wires across the strand cross section underneath the clamp for various clamping loads. We observed that, while, for all clamping loads, the clamping strains within individual wires were heterogeneously distributed, increasing the clamping force significantly decreased the strain heterogeneity. In contrast, no strain heterogeneity was observed in a rigorous companion finite-element model of the strand unless dimensional variations in the wire diameters were introduced. Our results are in agreement with the hypothesis by Gjelsvik, which states that, within a parallel wire bridge cable, local variations in wire diameter due to manufacturing tolerances can lead to large variations in clamping constraint. |
| doi_str_mv | 10.1007/s11340-017-0276-0 |
| format | Article |
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A. A. ; Betti, R. ; Noyan, I.C.</creator><creatorcontrib>Brügger, A. ; Lee, S.-Y. ; Mills, J. A. A. ; Betti, R. ; Noyan, I.C.</creatorcontrib><description>We report the first direct measurements of clamping strains within individual wires of a 19 parallel wire strand constrained by a clamshell clamp. In these measurements neutron diffraction was used to determine the elastic strains along three orthogonal axes for all of the individual wires across the strand cross section underneath the clamp for various clamping loads. We observed that, while, for all clamping loads, the clamping strains within individual wires were heterogeneously distributed, increasing the clamping force significantly decreased the strain heterogeneity. In contrast, no strain heterogeneity was observed in a rigorous companion finite-element model of the strand unless dimensional variations in the wire diameters were introduced. Our results are in agreement with the hypothesis by Gjelsvik, which states that, within a parallel wire bridge cable, local variations in wire diameter due to manufacturing tolerances can lead to large variations in clamping constraint.</description><identifier>ISSN: 0014-4851</identifier><identifier>EISSN: 1741-2765</identifier><identifier>DOI: 10.1007/s11340-017-0276-0</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Axes (reference lines) ; Biomedical Engineering and Bioengineering ; Characterization and Evaluation of Materials ; Clamping ; Constraints ; Control ; Cross-sections ; Diffraction ; Dynamical Systems ; Engineering ; Finite element method ; Force distribution ; Heterogeneity ; Lasers ; Loads (forces) ; Mathematical analysis ; Mathematical models ; Neutron diffraction ; Optical Devices ; Optics ; Partitioning ; Photonics ; Solid Mechanics ; Strain ; Stress concentration ; Tolerances ; Vibration ; Wire</subject><ispartof>Experimental mechanics, 2017-07, Vol.57 (6), p.921-937</ispartof><rights>Society for Experimental Mechanics 2017</rights><rights>Copyright Springer Science & Business Media 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-de9e335ff459ff364e386ee84b3d007aced7a8dbc59869ee75644e22501139143</citedby><cites>FETCH-LOGICAL-c316t-de9e335ff459ff364e386ee84b3d007aced7a8dbc59869ee75644e22501139143</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11340-017-0276-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11340-017-0276-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Brügger, A.</creatorcontrib><creatorcontrib>Lee, S.-Y.</creatorcontrib><creatorcontrib>Mills, J. A. A.</creatorcontrib><creatorcontrib>Betti, R.</creatorcontrib><creatorcontrib>Noyan, I.C.</creatorcontrib><title>Partitioning of Clamping Strains in a Nineteen Parallel Wire Strand</title><title>Experimental mechanics</title><addtitle>Exp Mech</addtitle><description>We report the first direct measurements of clamping strains within individual wires of a 19 parallel wire strand constrained by a clamshell clamp. In these measurements neutron diffraction was used to determine the elastic strains along three orthogonal axes for all of the individual wires across the strand cross section underneath the clamp for various clamping loads. We observed that, while, for all clamping loads, the clamping strains within individual wires were heterogeneously distributed, increasing the clamping force significantly decreased the strain heterogeneity. In contrast, no strain heterogeneity was observed in a rigorous companion finite-element model of the strand unless dimensional variations in the wire diameters were introduced. Our results are in agreement with the hypothesis by Gjelsvik, which states that, within a parallel wire bridge cable, local variations in wire diameter due to manufacturing tolerances can lead to large variations in clamping constraint.</description><subject>Axes (reference lines)</subject><subject>Biomedical Engineering and Bioengineering</subject><subject>Characterization and Evaluation of Materials</subject><subject>Clamping</subject><subject>Constraints</subject><subject>Control</subject><subject>Cross-sections</subject><subject>Diffraction</subject><subject>Dynamical Systems</subject><subject>Engineering</subject><subject>Finite element method</subject><subject>Force distribution</subject><subject>Heterogeneity</subject><subject>Lasers</subject><subject>Loads (forces)</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Neutron diffraction</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Partitioning</subject><subject>Photonics</subject><subject>Solid Mechanics</subject><subject>Strain</subject><subject>Stress concentration</subject><subject>Tolerances</subject><subject>Vibration</subject><subject>Wire</subject><issn>0014-4851</issn><issn>1741-2765</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp1kE9LxDAQxYMouK5-AG8Fz9FMkzTNUYr_QFRQ8Riy7WTJ0k3XpHvw25taD148zQz83puZR8g5sEtgTF0lAC4YZaAoK1VF2QFZgBJA8yAPyYIxEFTUEo7JSUobljVclQvSvNg4-tEPwYd1Mbii6e12N_WvY7Q-pMKHwhZPPuCIGIqM277HvvjwEX-Y0J2SI2f7hGe_dUneb2_emnv6-Hz30Fw_0pZDNdIONXIunRNSO8crgbyuEGux4l0-x7bYKVt3q1bqutKISlZCYFlKln_TIPiSXMy-uzh87jGNZjPsY8grDWimNdS8niiYqTYOKUV0Zhf91sYvA8xMWZk5K5OzMlNWhmVNOWtSZsMa4x_nf0XfjLZqsg</recordid><startdate>20170701</startdate><enddate>20170701</enddate><creator>Brügger, A.</creator><creator>Lee, S.-Y.</creator><creator>Mills, J. 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A. ; Betti, R. ; Noyan, I.C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-de9e335ff459ff364e386ee84b3d007aced7a8dbc59869ee75644e22501139143</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Axes (reference lines)</topic><topic>Biomedical Engineering and Bioengineering</topic><topic>Characterization and Evaluation of Materials</topic><topic>Clamping</topic><topic>Constraints</topic><topic>Control</topic><topic>Cross-sections</topic><topic>Diffraction</topic><topic>Dynamical Systems</topic><topic>Engineering</topic><topic>Finite element method</topic><topic>Force distribution</topic><topic>Heterogeneity</topic><topic>Lasers</topic><topic>Loads (forces)</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>Neutron diffraction</topic><topic>Optical Devices</topic><topic>Optics</topic><topic>Partitioning</topic><topic>Photonics</topic><topic>Solid Mechanics</topic><topic>Strain</topic><topic>Stress concentration</topic><topic>Tolerances</topic><topic>Vibration</topic><topic>Wire</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brügger, A.</creatorcontrib><creatorcontrib>Lee, S.-Y.</creatorcontrib><creatorcontrib>Mills, J. A. A.</creatorcontrib><creatorcontrib>Betti, R.</creatorcontrib><creatorcontrib>Noyan, I.C.</creatorcontrib><collection>CrossRef</collection><jtitle>Experimental mechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brügger, A.</au><au>Lee, S.-Y.</au><au>Mills, J. A. A.</au><au>Betti, R.</au><au>Noyan, I.C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Partitioning of Clamping Strains in a Nineteen Parallel Wire Strand</atitle><jtitle>Experimental mechanics</jtitle><stitle>Exp Mech</stitle><date>2017-07-01</date><risdate>2017</risdate><volume>57</volume><issue>6</issue><spage>921</spage><epage>937</epage><pages>921-937</pages><issn>0014-4851</issn><eissn>1741-2765</eissn><abstract>We report the first direct measurements of clamping strains within individual wires of a 19 parallel wire strand constrained by a clamshell clamp. In these measurements neutron diffraction was used to determine the elastic strains along three orthogonal axes for all of the individual wires across the strand cross section underneath the clamp for various clamping loads. We observed that, while, for all clamping loads, the clamping strains within individual wires were heterogeneously distributed, increasing the clamping force significantly decreased the strain heterogeneity. In contrast, no strain heterogeneity was observed in a rigorous companion finite-element model of the strand unless dimensional variations in the wire diameters were introduced. Our results are in agreement with the hypothesis by Gjelsvik, which states that, within a parallel wire bridge cable, local variations in wire diameter due to manufacturing tolerances can lead to large variations in clamping constraint.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11340-017-0276-0</doi><tpages>17</tpages></addata></record> |
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| subjects | Axes (reference lines) Biomedical Engineering and Bioengineering Characterization and Evaluation of Materials Clamping Constraints Control Cross-sections Diffraction Dynamical Systems Engineering Finite element method Force distribution Heterogeneity Lasers Loads (forces) Mathematical analysis Mathematical models Neutron diffraction Optical Devices Optics Partitioning Photonics Solid Mechanics Strain Stress concentration Tolerances Vibration Wire |
| title | Partitioning of Clamping Strains in a Nineteen Parallel Wire Strand |
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