Computational and experimental investigation of scour past laboratory models of stream restoration rock structures
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Khosronejad, Ali | - |
dc.contributor.author | Hill, Craig | - |
dc.contributor.author | Kang, Seokkoo | - |
dc.contributor.author | Sotiropoulos, Fotis | - |
dc.date.accessioned | 2022-07-16T10:28:43Z | - |
dc.date.available | 2022-07-16T10:28:43Z | - |
dc.date.created | 2021-05-12 | - |
dc.date.issued | 2013-04 | - |
dc.identifier.issn | 0309-1708 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/163089 | - |
dc.description.abstract | Local scour of the streambed around three models of stream restoration rock structures, including a rock vane, a cross vane, and a J-hook vane, is investigated via laboratory experiments and numerical simulations. In the experimental study, a physical model of each rock structure is constructed via an assembly of rocks and installed in a straight mobile sand bed flume. Continuous bed topography measurements provide insight into the time evolution of the scour patterns downstream of the structures and yield comprehensive data sets for validating the numerical simulations in terms of scour patterns, maximum scour depths, and bar migration dynamics. The numerical simulations are carried out using the coupled, hydro-morphodynamic Curvilinear Immersed Boundary (CURVIB) method of Khosronejad et al. (2011) [17]. The mobile channel bed and the individual rocks comprising a stream restoration structure are discretized with an unstructured triangular mesh and treated as sharp-interface immersed boundaries embedded in the background curvilinear mesh used to discretize the flow domain. For each case, simulations are carried out solving both the unsteady Reynolds-averaged Navier-Stokes (URANS) equations closed with the k-x model and filtered Large-Eddy Simulation (LES) equations closed with the dynamic Smagorinski subgrid scale model. Both the URANS and LES models yield flow and scour patterns in reasonable agreement with the measurements with the LES results being consistently in better overall agreement with the measurements. To our knowledge, the present study is the first attempt to simulate local scour patterns around realistic model of stream restoration rock structures by taking into account and directly modeling their arbitrarily complex geometrical features. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCI LTD | - |
dc.title | Computational and experimental investigation of scour past laboratory models of stream restoration rock structures | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Kang, Seokkoo | - |
dc.identifier.doi | 10.1016/j.advwatres.2013.01.008 | - |
dc.identifier.scopusid | 2-s2.0-84875111139 | - |
dc.identifier.wosid | 000317344300014 | - |
dc.identifier.bibliographicCitation | ADVANCES IN WATER RESOURCES, v.54, pp.191 - 207 | - |
dc.relation.isPartOf | ADVANCES IN WATER RESOURCES | - |
dc.citation.title | ADVANCES IN WATER RESOURCES | - |
dc.citation.volume | 54 | - |
dc.citation.startPage | 191 | - |
dc.citation.endPage | 207 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Water Resources | - |
dc.relation.journalWebOfScienceCategory | Water Resources | - |
dc.subject.keywordPlus | IMMERSED BOUNDARY METHOD | - |
dc.subject.keywordPlus | SEDIMENT TRANSPORT | - |
dc.subject.keywordPlus | 3D | - |
dc.subject.keywordPlus | COMPLEX | - |
dc.subject.keywordPlus | FLOW | - |
dc.subject.keywordPlus | EQUATION | - |
dc.subject.keywordPlus | EROSION | - |
dc.subject.keywordPlus | VANES | - |
dc.subject.keywordPlus | WAVE | - |
dc.subject.keywordAuthor | Rock vane | - |
dc.subject.keywordAuthor | Cross vane | - |
dc.subject.keywordAuthor | J-hook | - |
dc.subject.keywordAuthor | Local scour | - |
dc.subject.keywordAuthor | Numerical modeling | - |
dc.identifier.url | https://www.sciencedirect.com/science/article/pii/S0309170813000171?via%3Dihub | - |
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.
222, Wangsimni-ro, Seongdong-gu, Seoul, 04763, Korea+82-2-2220-1365
COPYRIGHT © 2021 HANYANG UNIVERSITY.
Certain data included herein are derived from the © Web of Science of Clarivate Analytics. All rights reserved.
You may not copy or re-distribute this material in whole or in part without the prior written consent of Clarivate Analytics.