{"id":"https://openalex.org/W2559970263","doi":"https://doi.org/10.1061/(asce)cp.1943-5487.0000647","title":"A Parallel Two-Dimensional Discontinuous Galerkin Method for Shallow-Water Flows Using High-Resolution Unstructured Meshes","display_name":"A Parallel Two-Dimensional Discontinuous Galerkin Method for Shallow-Water Flows Using High-Resolution Unstructured Meshes","publication_year":2016,"publication_date":"2016-12-05","ids":{"openalex":"https://openalex.org/W2559970263","doi":"https://doi.org/10.1061/(asce)cp.1943-5487.0000647","mag":"2559970263"},"language":"en","primary_location":{"id":"doi:10.1061/(asce)cp.1943-5487.0000647","is_oa":false,"landing_page_url":"https://doi.org/10.1061/(asce)cp.1943-5487.0000647","pdf_url":null,"source":{"id":"https://openalex.org/S176637136","display_name":"Journal of Computing in Civil Engineering","issn_l":"0887-3801","issn":["0887-3801","1943-5487"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315747","host_organization_name":"American Society of Civil Engineers","host_organization_lineage":["https://openalex.org/P4310315747"],"host_organization_lineage_names":["American Society of Civil Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computing in Civil Engineering","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5033301115","display_name":"Wencong Lai","orcid":"https://orcid.org/0000-0002-8831-9627"},"institutions":[{"id":"https://openalex.org/I8078737","display_name":"Clemson University","ror":"https://ror.org/037s24f05","country_code":"US","type":"education","lineage":["https://openalex.org/I8078737"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Wencong Lai","raw_affiliation_strings":["Postdoctoral, Glenn Dept. of Civil Engineering, Clemson Univ., 127 Lowry Hall, Clemson, SC 29634 (corresponding author)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Postdoctoral, Glenn Dept. of Civil Engineering, Clemson Univ., 127 Lowry Hall, Clemson, SC 29634 (corresponding author)","institution_ids":["https://openalex.org/I8078737"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101936909","display_name":"Abdul A. Khan","orcid":"https://orcid.org/0000-0002-8406-6132"},"institutions":[{"id":"https://openalex.org/I8078737","display_name":"Clemson University","ror":"https://ror.org/037s24f05","country_code":"US","type":"education","lineage":["https://openalex.org/I8078737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Abdul A. Khan","raw_affiliation_strings":["Professor, Glenn Dept. of Civil Engineering, Clemson Univ., 218 Lowry Hall, Clemson, SC 29634"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Professor, Glenn Dept. of Civil Engineering, Clemson Univ., 218 Lowry Hall, Clemson, SC 29634","institution_ids":["https://openalex.org/I8078737"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5033301115"],"corresponding_institution_ids":["https://openalex.org/I8078737"],"apc_list":null,"apc_paid":null,"fwci":2.3999,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.87570588,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"31","issue":"3","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11751","display_name":"Lattice Boltzmann Simulation Studies","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11751","display_name":"Lattice Boltzmann Simulation Studies","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10339","display_name":"Advanced Numerical Methods in Computational Mathematics","score":0.9955000281333923,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11694","display_name":"Fluid Dynamics Simulations and Interactions","score":0.9930999875068665,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/polygon-mesh","display_name":"Polygon mesh","score":0.815447986125946},{"id":"https://openalex.org/keywords/discontinuous-galerkin-method","display_name":"Discontinuous Galerkin method","score":0.5686394572257996},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5263679623603821},{"id":"https://openalex.org/keywords/shallow-water-equations","display_name":"Shallow water equations","score":0.45852863788604736},{"id":"https://openalex.org/keywords/computational-science","display_name":"Computational science","score":0.45255106687545776},{"id":"https://openalex.org/keywords/galerkin-method","display_name":"Galerkin method","score":0.435787558555603},{"id":"https://openalex.org/keywords/volume-mesh","display_name":"Volume mesh","score":0.4216923117637634},{"id":"https://openalex.org/keywords/finite-element-method","display_name":"Finite element method","score":0.3780410587787628},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3529456555843353},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3365461230278015},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.26877889037132263},{"id":"https://openalex.org/keywords/mesh-generation","display_name":"Mesh generation","score":0.25922322273254395},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.24713420867919922},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20555943250656128},{"id":"https://openalex.org/keywords/structural-engineering","display_name":"Structural engineering","score":0.18621528148651123},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.1694692075252533}],"concepts":[{"id":"https://openalex.org/C31487907","wikidata":"https://www.wikidata.org/wiki/Q1154597","display_name":"Polygon mesh","level":2,"score":0.815447986125946},{"id":"https://openalex.org/C92244383","wikidata":"https://www.wikidata.org/wiki/Q428273","display_name":"Discontinuous Galerkin method","level":3,"score":0.5686394572257996},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5263679623603821},{"id":"https://openalex.org/C140295346","wikidata":"https://www.wikidata.org/wiki/Q4008384","display_name":"Shallow water equations","level":2,"score":0.45852863788604736},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.45255106687545776},{"id":"https://openalex.org/C186899397","wikidata":"https://www.wikidata.org/wiki/Q1491980","display_name":"Galerkin method","level":3,"score":0.435787558555603},{"id":"https://openalex.org/C170589453","wikidata":"https://www.wikidata.org/wiki/Q7940896","display_name":"Volume mesh","level":4,"score":0.4216923117637634},{"id":"https://openalex.org/C135628077","wikidata":"https://www.wikidata.org/wiki/Q220184","display_name":"Finite element method","level":2,"score":0.3780410587787628},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3529456555843353},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3365461230278015},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26877889037132263},{"id":"https://openalex.org/C181145010","wikidata":"https://www.wikidata.org/wiki/Q4418033","display_name":"Mesh generation","level":3,"score":0.25922322273254395},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.24713420867919922},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20555943250656128},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.18621528148651123},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.1694692075252533}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1061/(asce)cp.1943-5487.0000647","is_oa":false,"landing_page_url":"https://doi.org/10.1061/(asce)cp.1943-5487.0000647","pdf_url":null,"source":{"id":"https://openalex.org/S176637136","display_name":"Journal of Computing in Civil Engineering","issn_l":"0887-3801","issn":["0887-3801","1943-5487"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315747","host_organization_name":"American Society of Civil Engineers","host_organization_lineage":["https://openalex.org/P4310315747"],"host_organization_lineage_names":["American Society of Civil Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Computing in Civil Engineering","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation","score":0.7900000214576721}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1521128650","https://openalex.org/W1525363470","https://openalex.org/W1968835280","https://openalex.org/W1978621050","https://openalex.org/W1985260323","https://openalex.org/W1990790313","https://openalex.org/W2010527919","https://openalex.org/W2012910413","https://openalex.org/W2015644008","https://openalex.org/W2015966651","https://openalex.org/W2020266513","https://openalex.org/W2023458376","https://openalex.org/W2028267147","https://openalex.org/W2030213898","https://openalex.org/W2038069173","https://openalex.org/W2044628889","https://openalex.org/W2049911286","https://openalex.org/W2050303833","https://openalex.org/W2070232376","https://openalex.org/W2074226976","https://openalex.org/W2079377422","https://openalex.org/W2103609906","https://openalex.org/W2107483471","https://openalex.org/W2121917036","https://openalex.org/W2129412583","https://openalex.org/W2141332920","https://openalex.org/W2148209604","https://openalex.org/W2149624144","https://openalex.org/W2150871235","https://openalex.org/W2158772032","https://openalex.org/W2253341179","https://openalex.org/W2963264264"],"related_works":["https://openalex.org/W2017968036","https://openalex.org/W2752501457","https://openalex.org/W1601688333","https://openalex.org/W2171421712","https://openalex.org/W4295815745","https://openalex.org/W2187005362","https://openalex.org/W2387220787","https://openalex.org/W3106617480","https://openalex.org/W2953079798","https://openalex.org/W1969674427"],"abstract_inverted_index":{"Flood":[0],"modeling":[1],"and":[2,81,88,97,105,128,130],"forecasting":[3],"using":[4,26,42,56,68,77],"hydraulic":[5],"models":[6,21],"are":[7,66,99],"computationally":[8],"expensive":[9],"for":[10,84,101],"high-resolution,":[11],"large-scale":[12],"problems.":[13],"With":[14],"the":[15,43,57,69,125,141],"advent":[16],"of":[17,94,113,119,143],"high-performance":[18],"computing,":[19],"numerical":[20],"can":[22,133],"obtain":[23],"promising":[24],"speedup":[25,96],"parallel":[27,38,73,95,126],"computing":[28],"resources.":[29],"In":[30],"this":[31,131],"paper,":[32],"an":[33],"message":[34],"passing":[35],"interface":[36],"(MPI)-based":[37],"shallow-water":[39],"flow":[40],"solver":[41,74],"discontinuous":[44],"Galerkin":[45],"method":[46],"is":[47,50,75,121],"presented.":[48],"Parallelization":[49],"implemented":[51],"with":[52],"static":[53],"domain":[54],"decomposition":[55],"single":[58],"program\u2013multiple":[59],"data":[60],"design.":[61],"Data":[62],"transfer":[63],"between":[64],"subdomains":[65],"achieved":[67],"MPI":[70],"implementation.":[71],"The":[72,92],"tested":[76],"idealized":[78],"dam-break":[79],"tests":[80],"field":[82],"tests,":[83],"both":[85],"fully":[86],"wet":[87,90],"partially":[89],"domains.":[91],"performance":[93],"efficiency":[98,127],"compared":[100],"different":[102],"mesh":[103],"resolution":[104],"cluster":[106],"architecture.":[107],"A":[108],"statistical":[109],"index":[110,132],"(maximum":[111],"ratio":[112],"halo":[114],"cells":[115],"to":[116,123,139],"total":[117],"number":[118,142],"elements)":[120],"introduced":[122],"evaluate":[124],"performance,":[129],"be":[134],"used":[135],"as":[136],"a":[137],"guide":[138],"choose":[140],"cores":[144],"in":[145],"applications.":[146]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-20T05:51:44.042241","created_date":"2025-10-10T00:00:00"}
