{"id":"https://openalex.org/W794814341","doi":null,"title":"A physical approach to the numerical treatment of boundaries in gas dynamics","display_name":"A physical approach to the numerical treatment of boundaries in gas dynamics","publication_year":1981,"publication_date":"1981-10-01","ids":{"openalex":"https://openalex.org/W794814341","mag":"794814341"},"language":"en","primary_location":{"id":"mag:794814341","doi":null,"is_oa":false,"landing_page_url":"https://ntrs.nasa.gov/search.jsp?R=19810025318","pdf_url":null,"source":{"id":"https://openalex.org/S4306402118","display_name":"NASA Technical Reports Server (NASA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5113536243","display_name":"GlNO MORETTI","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"G. Moretti","raw_affiliation_strings":["GMAF, Inc"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GMAF, Inc","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5113536243"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.9558,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.94706507,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":95},"biblio":{"volume":null,"issue":null,"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":0.9994999766349792,"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":0.9994999766349792,"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/T13951","display_name":"Fluid dynamics and aerodynamics studies","score":0.00019999999494757503,"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/T11012","display_name":"Gas Dynamics and Kinetic Theory","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2604","display_name":"Applied Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/boundary-conditions","display_name":"boundary conditions","score":0.7799999713897705},{"id":"https://openalex.org/keywords/gas-dynamics","display_name":"gas dynamics","score":0.7170000076293945},{"id":"https://openalex.org/keywords/euler-equations","display_name":"Euler equations","score":0.7829999923706055},{"id":"https://openalex.org/keywords/rigid-wall","display_name":"rigid wall","score":0.9290000200271606},{"id":"https://openalex.org/keywords/well-posedness","display_name":"well-posedness","score":0.7409999966621399},{"id":"https://openalex.org/keywords/initial-and-boundary-conditions","display_name":"initial and boundary conditions","score":0.6600000262260437}],"concepts":[{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6487495303153992},{"id":"https://openalex.org/C182310444","wikidata":"https://www.wikidata.org/wiki/Q1332643","display_name":"Boundary value problem","level":2,"score":0.6390834450721741},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.5782267451286316},{"id":"https://openalex.org/C38409319","wikidata":"https://www.wikidata.org/wiki/Q375175","display_name":"Euler equations","level":2,"score":0.5649368762969971},{"id":"https://openalex.org/C93779851","wikidata":"https://www.wikidata.org/wiki/Q271977","display_name":"Partial differential equation","level":2,"score":0.5499470233917236},{"id":"https://openalex.org/C62884695","wikidata":"https://www.wikidata.org/wiki/Q184871","display_name":"Euler's formula","level":2,"score":0.49378833174705505},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4910118877887726},{"id":"https://openalex.org/C154416045","wikidata":"https://www.wikidata.org/wiki/Q5500196","display_name":"Free boundary problem","level":3,"score":0.4904915988445282},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.468009352684021},{"id":"https://openalex.org/C79042034","wikidata":"https://www.wikidata.org/wiki/Q4949963","display_name":"Boundary conditions in CFD","level":5,"score":0.425179123878479},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.4240327477455139},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.41069674491882324},{"id":"https://openalex.org/C108257041","wikidata":"https://www.wikidata.org/wiki/Q748993","display_name":"Robin boundary condition","level":4,"score":0.23949071764945984},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.202113538980484},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.19629710912704468},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:794814341","doi":null,"is_oa":false,"landing_page_url":"https://ntrs.nasa.gov/search.jsp?R=19810025318","pdf_url":null,"source":{"id":"https://openalex.org/S4306402118","display_name":"NASA Technical Reports Server (NASA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2019152430","https://openalex.org/W3122311209","https://openalex.org/W4402583258","https://openalex.org/W2064293109","https://openalex.org/W2022311541","https://openalex.org/W4239008881","https://openalex.org/W2494194021","https://openalex.org/W1549828507","https://openalex.org/W2017661435","https://openalex.org/W48673082"],"abstract_inverted_index":{"Two":[0],"types":[1],"of":[2,24,36,44,76],"boundaries":[3,11],"are":[4,79],"considered:":[5],"rigid":[6],"walls,":[7],"and":[8,46,73],"artificial":[9],"(open)":[10],"which":[12],"were":[13],"arbitrarily":[14],"drawn":[15],"somewhere":[16],"across":[17],"a":[18,42,63,71],"wider":[19],"flow":[20],"field.":[21],"A":[22],"set":[23,43],"partial":[25],"differential":[26],"equations":[27],"(typically,":[28],"the":[29,53,58,68],"Euler":[30],"equations)":[31],"has":[32],"an":[33],"infinite":[34],"number":[35,75],"solutions,":[37],"each":[38],"one":[39],"defined":[40],"by":[41],"initial":[45,50],"boundary":[47,59,77],"conditions.":[48],"The":[49],"conditions":[51,60,78],"remaining":[52],"same,":[54],"any":[55],"change":[56],"in":[57],"will":[61],"produce":[62],"new":[64],"solution.":[65],"To":[66],"pose":[67],"problem":[69],"well,":[70],"necessary":[72],"sufficient":[74],"prescribed.":[80]},"counts_by_year":[{"year":2013,"cited_by_count":2}],"updated_date":"2026-11-01T11:40:01.658920","created_date":"2016-06-24T00:00:00"}