{"id":"https://openalex.org/W3210711540","doi":"https://doi.org/10.14529/jsfi210207","title":"Optimizing Load Balance in a Parallel CFD Code for a Large-scale Turbine Simulation on a Vector Supercomputer","display_name":"Optimizing Load Balance in a Parallel CFD Code for a Large-scale Turbine Simulation on a Vector Supercomputer","publication_year":2021,"publication_date":"2021-06-01","ids":{"openalex":"https://openalex.org/W3210711540","doi":"https://doi.org/10.14529/jsfi210207","mag":"3210711540"},"language":"en","primary_location":{"id":"doi:10.14529/jsfi210207","is_oa":true,"landing_page_url":"https://doi.org/10.14529/jsfi210207","pdf_url":"https://superfri.org/index.php/superfri/article/download/391/392","source":{"id":"https://openalex.org/S4210177204","display_name":"Supercomputing Frontiers and Innovations","issn_l":"2313-8734","issn":["2313-8734","2409-6008"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310312680","host_organization_name":"Publishing center of the South Ural State University","host_organization_lineage":["https://openalex.org/P4310312680"],"host_organization_lineage_names":["Publishing center of the South Ural State University"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Supercomputing Frontiers and Innovations","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://superfri.org/index.php/superfri/article/download/391/392","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088236477","display_name":"Osamu Watanabe","orcid":"https://orcid.org/0000-0003-0284-7566"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Osamu Watanabe","raw_affiliation_strings":["NEC Corporation"],"affiliations":[{"raw_affiliation_string":"NEC Corporation","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051997684","display_name":"Kazuhiko Komatsu","orcid":"https://orcid.org/0000-0003-4463-8359"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kazuhiko Komatsu","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069374897","display_name":"Masayuki Sato","orcid":"https://orcid.org/0000-0002-4186-5014"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Masayuki Sato","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5059505921","display_name":"Hiroaki Kobayashi","orcid":"https://orcid.org/0000-0001-6705-9515"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hiroaki Kobayashi","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5088236477"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17969552,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"8","issue":"2","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10173","display_name":"Computational Fluid Dynamics and Aerodynamics","score":0.9997000098228455,"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/T10173","display_name":"Computational Fluid Dynamics and Aerodynamics","score":0.9997000098228455,"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/T10553","display_name":"Combustion and flame dynamics","score":0.996999979019165,"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/T10944","display_name":"Turbomachinery Performance and Optimization","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"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/supercomputer","display_name":"Supercomputer","score":0.8052060604095459},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7405034303665161},{"id":"https://openalex.org/keywords/multiphysics","display_name":"Multiphysics","score":0.6277990341186523},{"id":"https://openalex.org/keywords/turbine","display_name":"Turbine","score":0.6009112596511841},{"id":"https://openalex.org/keywords/computational-fluid-dynamics","display_name":"Computational fluid dynamics","score":0.5301288962364197},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.5293182730674744},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.5215427875518799},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.48322638869285583},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.4287649393081665},{"id":"https://openalex.org/keywords/computational-science","display_name":"Computational science","score":0.3901987373828888},{"id":"https://openalex.org/keywords/finite-element-method","display_name":"Finite element method","score":0.2194441556930542},{"id":"https://openalex.org/keywords/mechanical-engineering","display_name":"Mechanical engineering","score":0.1884748935699463},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10656645894050598},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.10033482313156128},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.09147688746452332},{"id":"https://openalex.org/keywords/structural-engineering","display_name":"Structural engineering","score":0.08748823404312134}],"concepts":[{"id":"https://openalex.org/C83283714","wikidata":"https://www.wikidata.org/wiki/Q121117","display_name":"Supercomputer","level":2,"score":0.8052060604095459},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7405034303665161},{"id":"https://openalex.org/C46435376","wikidata":"https://www.wikidata.org/wiki/Q1829750","display_name":"Multiphysics","level":3,"score":0.6277990341186523},{"id":"https://openalex.org/C2778449969","wikidata":"https://www.wikidata.org/wiki/Q130760","display_name":"Turbine","level":2,"score":0.6009112596511841},{"id":"https://openalex.org/C1633027","wikidata":"https://www.wikidata.org/wiki/Q815820","display_name":"Computational fluid dynamics","level":2,"score":0.5301288962364197},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.5293182730674744},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.5215427875518799},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.48322638869285583},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.4287649393081665},{"id":"https://openalex.org/C459310","wikidata":"https://www.wikidata.org/wiki/Q117801","display_name":"Computational science","level":1,"score":0.3901987373828888},{"id":"https://openalex.org/C135628077","wikidata":"https://www.wikidata.org/wiki/Q220184","display_name":"Finite element method","level":2,"score":0.2194441556930542},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.1884748935699463},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10656645894050598},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.10033482313156128},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.09147688746452332},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.08748823404312134},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.14529/jsfi210207","is_oa":true,"landing_page_url":"https://doi.org/10.14529/jsfi210207","pdf_url":"https://superfri.org/index.php/superfri/article/download/391/392","source":{"id":"https://openalex.org/S4210177204","display_name":"Supercomputing Frontiers and Innovations","issn_l":"2313-8734","issn":["2313-8734","2409-6008"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310312680","host_organization_name":"Publishing center of the South Ural State University","host_organization_lineage":["https://openalex.org/P4310312680"],"host_organization_lineage_names":["Publishing center of the South Ural State University"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Supercomputing Frontiers and Innovations","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.14529/jsfi210207","is_oa":true,"landing_page_url":"https://doi.org/10.14529/jsfi210207","pdf_url":"https://superfri.org/index.php/superfri/article/download/391/392","source":{"id":"https://openalex.org/S4210177204","display_name":"Supercomputing Frontiers and Innovations","issn_l":"2313-8734","issn":["2313-8734","2409-6008"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310312680","host_organization_name":"Publishing center of the South Ural State University","host_organization_lineage":["https://openalex.org/P4310312680"],"host_organization_lineage_names":["Publishing center of the South Ural State University"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Supercomputing Frontiers and Innovations","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.6499999761581421,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[{"id":"https://openalex.org/G272228011","display_name":null,"funder_award_id":"R&amp","funder_id":"https://openalex.org/F4320320912","funder_display_name":"Ministry of Education, Culture, Sports, Science and Technology"}],"funders":[{"id":"https://openalex.org/F4320320912","display_name":"Ministry of Education, Culture, Sports, Science and Technology","ror":"https://ror.org/048rj2z13"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3210711540.pdf","grobid_xml":"https://content.openalex.org/works/W3210711540.grobid-xml"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W1530628044","https://openalex.org/W1974097079","https://openalex.org/W2012798852","https://openalex.org/W2038435678","https://openalex.org/W2050802513","https://openalex.org/W2068056613","https://openalex.org/W2138782497","https://openalex.org/W2165741216","https://openalex.org/W2320924494","https://openalex.org/W2335078359","https://openalex.org/W2727736392","https://openalex.org/W2759197764","https://openalex.org/W2802891828","https://openalex.org/W2902045097","https://openalex.org/W2998078332","https://openalex.org/W3046425973","https://openalex.org/W3124125511","https://openalex.org/W3200709924","https://openalex.org/W4253217261","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W2084426624","https://openalex.org/W3026055904","https://openalex.org/W2792869497","https://openalex.org/W4312133600","https://openalex.org/W2567205727","https://openalex.org/W2361803029","https://openalex.org/W3207655436","https://openalex.org/W1582436825","https://openalex.org/W1996803181","https://openalex.org/W2979588510"],"abstract_inverted_index":{"A":[0,14,68],"turbine":[1,61],"for":[2,81,156],"power":[3],"generation":[4],"is":[5,29,39,52,100],"one":[6],"of":[7,65,84,113,116,160],"the":[8,60,66,96,109,125,138,157,167,172,177,182,189,193,203,207],"essential":[9],"infrastructures":[10],"in":[11,35,59,127],"our":[12,24],"society.":[13],"turbine's":[15],"failure":[16],"causes":[17],"severe":[18],"social":[19],"and":[20,108,147],"economic":[21],"impacts":[22],"on":[23,77,181],"everyday":[25],"life.":[26],"Therefore,":[27,119],"it":[28,38,51],"necessary":[30],"to":[31,42,54,176,191,213],"foresee":[32],"such":[33],"failures":[34,45],"advance.":[36],"However,":[37],"not":[40],"easy":[41],"expect":[43],"these":[44],"from":[46,141,210],"a":[47,90,101],"real":[48],"turbine.":[49,67,91],"Hence,":[50],"required":[53],"simulate":[55],"various":[56],"events":[57],"occurring":[58],"by":[62,170],"numerical":[63],"simulations":[64,83],"multiphysics":[69],"CFD":[70],"code,":[71],"\u2018\u2018Numerical":[72],"Turbine,\u2019'":[73],"has":[74],"been":[75],"developed":[76],"vector":[78,173],"supercomputer":[79],"systems":[80],"large-scale":[82],"unsteady":[85],"wet":[86],"steam":[87],"flows":[88],"inside":[89],"To":[92],"solve":[93],"this":[94,185],"problem,":[95],"Numerical":[97],"Turbine":[98],"code":[99,104,126],"block":[102],"structure":[103],"using":[105],"MPI":[106,128,161],"parallelization,":[107],"calculation":[110,139,145,148,178],"space":[111],"consists":[112],"grid":[114,143],"blocks":[115],"different":[117],"sizes.":[118],"load":[120,158,168,194,208],"imbalance":[121,169,195],"occurs":[122],"when":[123],"executing":[124],"parallelization.":[129],"This":[130,163],"paper":[131],"creates":[132],"an":[133,152],"estimation":[134],"model":[135],"that":[136,202],"finds":[137],"time":[140],"each":[142],"block's":[144],"amount":[146,179],"performance.":[149],"It":[150],"proposes":[151],"OpenMP":[153],"parallelization":[154],"method":[155,165,187,205],"balance":[159,209],"applications.":[162],"proposed":[164,186,204],"reduces":[166],"considering":[171],"performance":[174,199],"according":[175],"based":[180],"model.":[183],"Moreover,":[184],"recognizes":[188],"need":[190],"reduce":[192],"without":[196],"pre-execution.":[197],"The":[198],"evaluation":[200],"shows":[201],"improves":[206],"24.4":[211],"%":[212],"9.3":[214],"%.":[215]},"counts_by_year":[],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2021-11-08T00:00:00"}