{"id":"https://openalex.org/W2901502358","doi":"https://doi.org/10.7916/d86m4q9b","title":"An Object-Oriented, Python-Based Moving Mesh Hydrodynamics Code Inspired by Astrophysical Problems","display_name":"An Object-Oriented, Python-Based Moving Mesh Hydrodynamics Code Inspired by Astrophysical Problems","publication_year":2018,"publication_date":"2018-01-01","ids":{"openalex":"https://openalex.org/W2901502358","doi":"https://doi.org/10.7916/d86m4q9b","mag":"2901502358"},"language":"en","primary_location":{"id":"pmh:oai:academiccommons.columbia.edu:10.7916/D86M4Q9B","is_oa":false,"landing_page_url":"https://doi.org/10.7916/D86M4Q9B","pdf_url":null,"source":{"id":"https://openalex.org/S4306402601","display_name":"Columbia Academic Commons (Columbia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I78577930","host_organization_name":"Columbia University","host_organization_lineage":["https://openalex.org/I78577930"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Theses"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.7916/d86m4q9b","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5112399311","display_name":"Ricardo Fernandez","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Fernandez, Ricardo","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5112399311"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14268508,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"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/T11694","display_name":"Fluid Dynamics Simulations and Interactions","score":0.9613000154495239,"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/T11694","display_name":"Fluid Dynamics Simulations and Interactions","score":0.9613000154495239,"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/python","display_name":"Python (programming language)","score":0.80909264087677},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.6543914675712585},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5988509058952332},{"id":"https://openalex.org/keywords/object-oriented-programming","display_name":"Object-oriented programming","score":0.5317121148109436},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.45517897605895996}],"concepts":[{"id":"https://openalex.org/C519991488","wikidata":"https://www.wikidata.org/wiki/Q28865","display_name":"Python (programming language)","level":2,"score":0.80909264087677},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.6543914675712585},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5988509058952332},{"id":"https://openalex.org/C73752529","wikidata":"https://www.wikidata.org/wiki/Q79872","display_name":"Object-oriented programming","level":2,"score":0.5317121148109436},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.45517897605895996}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:academiccommons.columbia.edu:10.7916/D86M4Q9B","is_oa":false,"landing_page_url":"https://doi.org/10.7916/D86M4Q9B","pdf_url":null,"source":{"id":"https://openalex.org/S4306402601","display_name":"Columbia Academic Commons (Columbia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I78577930","host_organization_name":"Columbia University","host_organization_lineage":["https://openalex.org/I78577930"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Theses"},{"id":"mag:2901502358","is_oa":false,"landing_page_url":"https://academiccommons.columbia.edu/doi/10.7916/D86M4Q9B","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null},{"id":"doi:10.7916/d86m4q9b","is_oa":true,"landing_page_url":"https://doi.org/10.7916/d86m4q9b","pdf_url":null,"source":{"id":"https://openalex.org/S4306402601","display_name":"Columbia Academic Commons (Columbia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I78577930","host_organization_name":"Columbia University","host_organization_lineage":["https://openalex.org/I78577930"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.7916/d86m4q9b","is_oa":true,"landing_page_url":"https://doi.org/10.7916/d86m4q9b","pdf_url":null,"source":{"id":"https://openalex.org/S4306402601","display_name":"Columbia Academic Commons (Columbia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I78577930","host_organization_name":"Columbia University","host_organization_lineage":["https://openalex.org/I78577930"],"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":"article-journal"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2951484369","https://openalex.org/W3041767362","https://openalex.org/W2059874730","https://openalex.org/W2342667389","https://openalex.org/W2026506008","https://openalex.org/W153001047","https://openalex.org/W3023073855","https://openalex.org/W1545454442","https://openalex.org/W2959102571","https://openalex.org/W600913859","https://openalex.org/W3147450714","https://openalex.org/W2970037245","https://openalex.org/W2810086902","https://openalex.org/W2997090606","https://openalex.org/W3037600376","https://openalex.org/W3096303499","https://openalex.org/W65837606","https://openalex.org/W3042767265","https://openalex.org/W2997291496","https://openalex.org/W3110823750"],"abstract_inverted_index":{"The":[0,102,544,562],"role":[1,8,32,62,370],"of":[2,12,24,33,48,95,104,114,127,142,155,283,321,342,371,415,430,454,472,533,569,577,593,609],"radiative":[3,491],"cooling":[4,25,35,55,157,223,339,387],"plays":[5],"an":[6],"important":[7],"in":[9,14,26,36,39,44,56,63,144,221,273,340,377,383,435,524,566],"the":[10,22,31,45,88,93,112,128,139,153,233,239,247,274,279,292,348,368,386,393,397,413,416,443,473,478,507,514,520,529,534,550,582,587,591,597,604],"formation":[11,28,47,94,262,414],"structures":[13],"collapsing":[15,37,57,298],"gas.":[16],"In":[17,83,161,195,363],"this":[18,151,162,170,210,447,496],"dissertation":[19],"I":[20,69,86,164,203,253,366,407,449,484,527,580,600],"examine":[21,165],"impact":[23],"two":[27],"scenarios:":[29],"first,":[30],"H2":[34,156,198,261,338],"gas":[38,143,234,272,431,458],"primordial":[40],"dark":[41],"matter":[42],"halos":[43,215,227,330],"possible":[46,61],"supermassive":[49,115],"black":[50,97,116],"holes;":[51],"second,":[52],"low":[53,243],"metallicity":[54,466,471,509],"clouds":[58,385,500],"and":[59,189,374,469,505,531,558,571,573,585,590],"its":[60],"explaining":[64],"low-metallicity":[65,378,417,455],"globular":[66,418],"clusters.":[67],"Further,":[68],"introduce":[70],"a":[71,76,122,166,264,327,427,436,464,489,567,607],"new":[72,535],"hydrodynamics":[73],"code,":[74,540],"with":[75,263,519],"design":[77,588],"guided":[78],"by":[79,602],"current":[80],"software":[81],"principles.":[82],"chapter":[84,364,525],"2,":[85],"examined":[87],"proposed":[89,167,248],"mechanism":[90,168,250],"to":[91,158,179,208,270,277,299,306,335,399,411,432,553,556],"explain":[92,412],"super-massive":[96],"holes":[98,117],"through":[99,138,606],"direct":[100,140],"collapse.":[101],"presence":[103],"quasars":[105],"at":[106,181,236,302,355],"redshifts":[107,356],"z":[108,360],">":[109,185,192],"6":[110],"indicates":[111],"existence":[113],"(SMBHs)":[118],"as":[119,121,269,357,359],"massive":[120],"few":[123,328,354],"times":[124],"10^9":[125],"mass":[126],"sun,":[129],"challenging":[130],"models":[131],"for":[132,169],"SMBH":[133],"formation.":[134],"One":[135],"pathway":[136],"is":[137,199,224,295,564],"collapse":[141,376,400],"T_vir":[145],"\u2273":[146],"10^4":[147,186,193],"K":[148],"halos;":[149],"however,":[150,232],"requires":[152],"suppression":[154,171],"prevent":[159],"fragmentation.":[160,483],"dissertation,":[163],"which":[172,222,477,511],"relies":[173],"on":[174],"cold-mode":[175],"accretion":[176],"flows":[177],"leading":[178],"shocks":[180,235],"high":[182,265,300,303,358],"densities":[183],"(n":[184],"cm^\u22123":[187],")":[188,475],"temperatures":[190],"(T":[191],"K).":[194],"such":[196,214,384,422],"gas,":[197],"efficiently":[200],"collisionally":[201],"dissociated.":[202],"use":[204,557,576],"high-resolution":[205],"numerical":[206,452],"simulations":[207,453,487],"test":[209,610],"idea,":[211],"demonstrating":[212,460],"that":[213,326,347,382,461,495,501,506],"typically":[216],"have":[217],"lower":[218],"temperature":[219],"progenitors,":[220],"efficient.":[225],"Those":[226],"do":[228,254,502],"show":[229],"filamentary":[230],"flows;":[231],"or":[237],"near":[238],"virial":[240],"radius":[241],"(at":[242],"densities),":[244],"thus":[245],"preventing":[246],"collisional":[249],"from":[251,549],"operating.":[252],"find":[255],"that,":[256],"if":[257,291],"we":[258,309,315],"artificially":[259],"suppress":[260],"UV":[266,293,349],"background,":[267],"so":[268],"allow":[271],"halo":[275,323],"center":[276],"enter":[278],"high-temperature,":[280],"high-density":[281],"\u201czone":[282],"no":[284],"return\u201d,":[285],"it":[286,403],"will":[287],"remain":[288],"there":[289,462],"even":[290],"flux":[294],"turned":[296],"off,":[297],"density":[301],"temperature.":[304],"Due":[305],"computational":[307],"limitations,":[308],"simulated":[310],"only":[311],"three":[312],"halos.":[313],"However,":[314],"demonstrate,":[316],"using":[317],"Monte":[318],"Carlo":[319],"calculations":[320],"10^6":[322],"merger":[324],"histories,":[325],"rare":[329],"could":[331],"assemble":[332],"rapidly":[333],"enough":[334],"avoid":[336],"efficient":[337],"all":[341],"their":[343],"progenitor":[344],"halos,":[345],"provided":[346],"background":[350,490],"exceeds":[351],"J_21":[352],"\u223c":[353,361],"20.":[362],"3,":[365],"explore":[367,446],"relative":[369],"small-scale":[372],"fragmentation":[373],"global":[375],"clouds,":[379,459],"pointing":[380],"out":[381,451],"time":[388],"may":[389,409],"be":[390,433,554],"longer":[391],"than":[392],"dynamical":[394],"time,":[395],"allowing":[396],"cloud":[398,479],"globally":[401,481],"before":[402],"can":[404,497,512],"fragment.":[405],"This,":[406],"suggest,":[408],"help":[410],"cluster":[419],"population,":[420],"since":[421],"dense":[423],"stellar":[424],"systems":[425],"need":[426],"large":[428],"amount":[429],"collected":[434],"small":[437],"region":[438],"(without":[439],"significant":[440],"feedback":[441],"during":[442,596],"collapse).":[444],"To":[445],"further,":[448],"carried":[450],"Bonner-Ebert":[456],"stable":[457],"exists":[463],"critical":[465,508],"(between":[467],"0.001":[468],"0.01":[470],"sun":[474],"below":[476],"collapses":[480],"without":[482],"also":[485,498],"run":[486],"including":[488],"heating":[492,521],"source,":[493],"showing":[494],"produce":[499],"not":[503],"fragment,":[504],"\u2013":[510,517],"exceed":[513],"no-radiation":[515],"case":[516],"increases":[518],"rate.":[522],"Lastly":[523],"4,":[526],"describe":[528,586],"structure":[530],"implementation":[532],"open-source":[536],"parallel":[537],"moving-mesh":[538],"hydrodynamic":[539],"Python":[541,570],"Hydro-Dynamics":[542],"(phd).":[543],"code":[545,563,598,605],"has":[546],"been":[547],"written":[548,565],"ground":[551],"up":[552],"easy":[555],"facilitate":[559],"future":[560],"modifications.":[561],"mixture":[568],"Cython":[572],"makes":[574],"extensive":[575],"object-oriented":[578],"programming.":[579],"outline":[581],"algorithms":[583],"used":[584],"philosophy":[589],"reasoning":[592],"my":[594],"choices":[595],"development.":[599],"end":[601],"validating":[603],"series":[608],"problems.":[611]},"counts_by_year":[],"updated_date":"2025-11-06T06:51:31.235846","created_date":"2025-10-10T00:00:00"}