Analysis of the overlap section in a high-speed railway catenary by means of numerical simulations
•A catenary Finite Element model is enhanced by considering double cantilevers and tensioning devices.•The pantograph-catenary dynamic interaction in overlap sections is studied in a wide range of scenarios.•The effect of the tensioning devices’ efficiency is analysed.•The geometry of an entire cate...
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| Veröffentlicht in: | Engineering structures 2020-10, Vol.221, p.110963, Article 110963 |
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| creator | Gregori, S. Gil, J. Tur, M. Tarancón, J.E. Fuenmayor, F.J. |
| description | •A catenary Finite Element model is enhanced by considering double cantilevers and tensioning devices.•The pantograph-catenary dynamic interaction in overlap sections is studied in a wide range of scenarios.•The effect of the tensioning devices’ efficiency is analysed.•The geometry of an entire catenary section is optimised by means of Bayesian Optimisation techniques.
The transition between catenary tensioning sections is accomplished smoothly by overlapping a number of spans in each catenary section. This work presents an analysis of the overlap section in a high-speed railway catenary based on numerical simulations. The paper studies the influence on the system’s dynamic behaviour of features such as double cantilevers and tensioning devices efficiency. Four and five-span overlaps are compared and the effect of train speed and overlap contact wire geometry are also analysed. Finally, an entire catenary section is optimised by Bayesian Optimisation techniques, leading to a catenary configuration with an interaction force with a standard deviation notably lower than that provided by the nominal catenary design. |
| doi_str_mv | 10.1016/j.engstruct.2020.110963 |
| format | Article |
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The transition between catenary tensioning sections is accomplished smoothly by overlapping a number of spans in each catenary section. This work presents an analysis of the overlap section in a high-speed railway catenary based on numerical simulations. The paper studies the influence on the system’s dynamic behaviour of features such as double cantilevers and tensioning devices efficiency. Four and five-span overlaps are compared and the effect of train speed and overlap contact wire geometry are also analysed. Finally, an entire catenary section is optimised by Bayesian Optimisation techniques, leading to a catenary configuration with an interaction force with a standard deviation notably lower than that provided by the nominal catenary design.</description><identifier>ISSN: 0141-0296</identifier><identifier>EISSN: 1873-7323</identifier><identifier>DOI: 10.1016/j.engstruct.2020.110963</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Bayesian analysis ; Bayesian optimisation ; High speed rail ; Multiple pantograph operation ; Optimization ; Overlap section ; Railway catenary ; Tensioning ; Tensioning device</subject><ispartof>Engineering structures, 2020-10, Vol.221, p.110963, Article 110963</ispartof><rights>2020 Elsevier Ltd</rights><rights>Copyright Elsevier BV Oct 15, 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-4c28faa7a3912e21d569304b7a2c0a290e851c1829c86e995dc3baacac67ec8d3</citedby><cites>FETCH-LOGICAL-c392t-4c28faa7a3912e21d569304b7a2c0a290e851c1829c86e995dc3baacac67ec8d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.engstruct.2020.110963$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Gregori, S.</creatorcontrib><creatorcontrib>Gil, J.</creatorcontrib><creatorcontrib>Tur, M.</creatorcontrib><creatorcontrib>Tarancón, J.E.</creatorcontrib><creatorcontrib>Fuenmayor, F.J.</creatorcontrib><title>Analysis of the overlap section in a high-speed railway catenary by means of numerical simulations</title><title>Engineering structures</title><description>•A catenary Finite Element model is enhanced by considering double cantilevers and tensioning devices.•The pantograph-catenary dynamic interaction in overlap sections is studied in a wide range of scenarios.•The effect of the tensioning devices’ efficiency is analysed.•The geometry of an entire catenary section is optimised by means of Bayesian Optimisation techniques.
The transition between catenary tensioning sections is accomplished smoothly by overlapping a number of spans in each catenary section. This work presents an analysis of the overlap section in a high-speed railway catenary based on numerical simulations. The paper studies the influence on the system’s dynamic behaviour of features such as double cantilevers and tensioning devices efficiency. Four and five-span overlaps are compared and the effect of train speed and overlap contact wire geometry are also analysed. Finally, an entire catenary section is optimised by Bayesian Optimisation techniques, leading to a catenary configuration with an interaction force with a standard deviation notably lower than that provided by the nominal catenary design.</description><subject>Bayesian analysis</subject><subject>Bayesian optimisation</subject><subject>High speed rail</subject><subject>Multiple pantograph operation</subject><subject>Optimization</subject><subject>Overlap section</subject><subject>Railway catenary</subject><subject>Tensioning</subject><subject>Tensioning device</subject><issn>0141-0296</issn><issn>1873-7323</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLxDAUhYMoOD5-gwHXHfPoI1kOgy8YcKPrcJvezqT0ZdKO9N_bseLW1YXLOR-cj5A7ztac8fShWmO7D4Mf7bAWTMxfznQqz8iKq0xGmRTynKwYj3nEhE4vyVUIFWNMKMVWJN-0UE_BBdqVdDgg7Y7oa-hpQDu4rqWupUAPbn-IQo9YUA-u_oKJWhiwBT_RfKINQvsDaMcGvbNQ0-CasYYTIdyQixLqgLe_95p8PD2-b1-i3dvz63azi6zUYohiK1QJkIHUXKDgRZJqyeI8A2EZCM1QJdxyJbRVKWqdFFbmABZsmqFVhbwm9wu3993niGEwVTf6eV4wIo6VjlUikjmVLSnruxA8lqb3rpmHGM7MSaipzJ9QcxJqFqFzc7M0cR5xdOhNsA5bi4XzsyxTdO5fxjf4q4Sd</recordid><startdate>20201015</startdate><enddate>20201015</enddate><creator>Gregori, S.</creator><creator>Gil, J.</creator><creator>Tur, M.</creator><creator>Tarancón, J.E.</creator><creator>Fuenmayor, F.J.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7ST</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>SOI</scope></search><sort><creationdate>20201015</creationdate><title>Analysis of the overlap section in a high-speed railway catenary by means of numerical simulations</title><author>Gregori, S. ; Gil, J. ; Tur, M. ; Tarancón, J.E. ; Fuenmayor, F.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-4c28faa7a3912e21d569304b7a2c0a290e851c1829c86e995dc3baacac67ec8d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Bayesian analysis</topic><topic>Bayesian optimisation</topic><topic>High speed rail</topic><topic>Multiple pantograph operation</topic><topic>Optimization</topic><topic>Overlap section</topic><topic>Railway catenary</topic><topic>Tensioning</topic><topic>Tensioning device</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gregori, S.</creatorcontrib><creatorcontrib>Gil, J.</creatorcontrib><creatorcontrib>Tur, M.</creatorcontrib><creatorcontrib>Tarancón, J.E.</creatorcontrib><creatorcontrib>Fuenmayor, F.J.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Engineering structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gregori, S.</au><au>Gil, J.</au><au>Tur, M.</au><au>Tarancón, J.E.</au><au>Fuenmayor, F.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of the overlap section in a high-speed railway catenary by means of numerical simulations</atitle><jtitle>Engineering structures</jtitle><date>2020-10-15</date><risdate>2020</risdate><volume>221</volume><spage>110963</spage><pages>110963-</pages><artnum>110963</artnum><issn>0141-0296</issn><eissn>1873-7323</eissn><abstract>•A catenary Finite Element model is enhanced by considering double cantilevers and tensioning devices.•The pantograph-catenary dynamic interaction in overlap sections is studied in a wide range of scenarios.•The effect of the tensioning devices’ efficiency is analysed.•The geometry of an entire catenary section is optimised by means of Bayesian Optimisation techniques.
The transition between catenary tensioning sections is accomplished smoothly by overlapping a number of spans in each catenary section. This work presents an analysis of the overlap section in a high-speed railway catenary based on numerical simulations. The paper studies the influence on the system’s dynamic behaviour of features such as double cantilevers and tensioning devices efficiency. Four and five-span overlaps are compared and the effect of train speed and overlap contact wire geometry are also analysed. Finally, an entire catenary section is optimised by Bayesian Optimisation techniques, leading to a catenary configuration with an interaction force with a standard deviation notably lower than that provided by the nominal catenary design.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.engstruct.2020.110963</doi><oa>free_for_read</oa></addata></record> |
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| ispartof | Engineering structures, 2020-10, Vol.221, p.110963, Article 110963 |
| issn | 0141-0296 1873-7323 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Bayesian analysis Bayesian optimisation High speed rail Multiple pantograph operation Optimization Overlap section Railway catenary Tensioning Tensioning device |
| title | Analysis of the overlap section in a high-speed railway catenary by means of numerical simulations |
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