{"id":"https://openalex.org/W4411952182","doi":"https://doi.org/10.4050/f-0081-2025-0193","title":"Whirl Testing of a Full-Scale Rotor with Flap-Bending/Twist Composite Coupled Blades","display_name":"Whirl Testing of a Full-Scale Rotor with Flap-Bending/Twist Composite Coupled Blades","publication_year":2025,"publication_date":"2025-05-20","ids":{"openalex":"https://openalex.org/W4411952182","doi":"https://doi.org/10.4050/f-0081-2025-0193"},"language":"en","primary_location":{"id":"doi:10.4050/f-0081-2025-0193","doi":"https://doi.org/10.4050/f-0081-2025-0193","is_oa":false,"landing_page_url":"https://doi.org/10.4050/f-0081-2025-0193","pdf_url":null,"source":{"id":"https://openalex.org/S7407086429","display_name":"Vertical Flight Society Annual Forum and Technology Display","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Vertical Flight Society 81st Annual Forum and Technology Display","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","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":null,"display_name":"Sikorsky, a Lockheed Martin Co.","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sikorsky, a Lockheed Martin Co.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Tyler Sinotte","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tyler Sinotte","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Sikorsky, a Lockheed Martin Co.","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sikorsky, a Lockheed Martin Co.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Sikorsky, a Lockheed Martin Co.","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sikorsky, a Lockheed Martin Co.","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101402274","display_name":"Daniel Schuster","orcid":"https://orcid.org/0000-0002-0072-9614","observed_orcids":["https://orcid.org/0000-0002-0072-9614"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Daniel Schuster","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5107544820","display_name":"Therese-Ann Vermillion","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Therese-Ann Vermillion","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14926934,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"11"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11096","display_name":"Aeroelasticity and Vibration Control","score":0.9785000085830688,"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"}},"topics":[{"id":"https://openalex.org/T11096","display_name":"Aeroelasticity and Vibration Control","score":0.9785000085830688,"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"}},{"id":"https://openalex.org/T10221","display_name":"Composite Structure Analysis and Optimization","score":0.012400000356137753,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/T10680","display_name":"Wind Energy Research and Development","score":0.002400000113993883,"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/helicopter-rotor-blades","display_name":"helicopter rotor blades","score":0.6899999976158142},{"id":"https://openalex.org/keywords/composite-blades","display_name":"composite blades","score":0.7580000162124634},{"id":"https://openalex.org/keywords/blade-twist","display_name":"blade twist","score":0.33899998664855957},{"id":"https://openalex.org/keywords/modal-frequencies","display_name":"modal frequencies","score":0.5590000152587891},{"id":"https://openalex.org/keywords/damping","display_name":"damping","score":0.796999990940094},{"id":"https://openalex.org/keywords/rotor-stability","display_name":"rotor stability","score":0.7390000224113464},{"id":"https://openalex.org/keywords/load-distribution","display_name":"load distribution","score":0.6359999775886536},{"id":"https://openalex.org/keywords/rotor-performance","display_name":"rotor performance","score":0.5899999737739563}],"concepts":[{"id":"https://openalex.org/C104779481","wikidata":"https://www.wikidata.org/wiki/Q50707","display_name":"Composite number","level":2,"score":0.6541895866394043},{"id":"https://openalex.org/C87210426","wikidata":"https://www.wikidata.org/wiki/Q1072476","display_name":"Bending","level":2,"score":0.6058238744735718},{"id":"https://openalex.org/C17281054","wikidata":"https://www.wikidata.org/wiki/Q193466","display_name":"Rotor (electric)","level":2,"score":0.6055154800415039},{"id":"https://openalex.org/C2776196297","wikidata":"https://www.wikidata.org/wiki/Q17138781","display_name":"Twist","level":2,"score":0.5970140099525452},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.567186176776886},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.49032214283943176},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4357852339744568},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3795403242111206},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.3604237735271454},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.3493794798851013},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3271741569042206},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21682000160217285},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10918524861335754},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.07824790477752686},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.4050/f-0081-2025-0193","doi":"https://doi.org/10.4050/f-0081-2025-0193","is_oa":false,"landing_page_url":"https://doi.org/10.4050/f-0081-2025-0193","pdf_url":null,"source":{"id":"https://openalex.org/S7407086429","display_name":"Vertical Flight Society Annual Forum and Technology Display","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Vertical Flight Society 81st Annual Forum and Technology Display","raw_type":"proceedings-article"},{"id":"doi:10.4050/f-0081-2025-193","doi":"https://doi.org/10.4050/f-0081-2025-193","is_oa":false,"landing_page_url":"https://doi.org/10.4050/F-0081-2025-193","pdf_url":null,"source":{"id":"https://openalex.org/S7407086429","display_name":"Vertical Flight Society Annual Forum and Technology Display","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Vertical Flight Society 81st Annual Forum and Technology Display","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2136809508","https://openalex.org/W2113101158","https://openalex.org/W2113978471","https://openalex.org/W2363462720","https://openalex.org/W2073211296","https://openalex.org/W2059790760","https://openalex.org/W2371240756","https://openalex.org/W2104249266","https://openalex.org/W2018159838"],"abstract_inverted_index":{"Whirl":[0,143],"testing":[1,129,144],"of":[2,21,47,53,61,67,72,81,98,124],"a":[3,30,35,95,140],"full-scale":[4],"rotor":[5],"with":[6,64,102,181],"positive":[7,25],"flap-bending/twist":[8,26],"composite":[9],"coupled":[10,104,150],"blades":[11,44],"was":[12,40,56,90,130,145,190],"performed":[13,146],"to":[14,93,107,120,132,154],"evaluate":[15],"the":[16,22,43,48,51,54,62,65,69,73,82,85,103,122,149,182],"dynamic":[17],"and":[18,88,113,137,151,157,163,177,196],"performance":[19,164],"effects":[20],"coupling.":[23],"A":[24],"coupling,":[27],"in":[28,42,111,117,139,192],"which":[29],"flap":[31],"up":[32],"deformation":[33],"induces":[34],"nose":[36],"down":[37],"elastic":[38],"twist,":[39],"introduced":[41],"through":[45,58],"tailoring":[46],"laminate":[49],"layups;":[50],"magnitude":[52],"coupling":[55,74,125],"maximized":[57],"an":[59,118],"optimization":[60],"layup,":[63],"intent":[66],"maximizing":[68],"potential":[70],"impact":[71],"for":[75,100,147,159,174,184],"correlation":[76,185],"purposes.":[77],"An":[78],"uncoupled":[79],"version":[80],"blade":[83,105,134],"using":[84],"same":[86],"geometry":[87],"materials":[89],"also":[91,108],"fabricated":[92],"provide":[94],"baseline":[96,152],"set":[97],"measurements":[99,183,195],"comparison,":[101],"optimized":[106],"minimize":[109],"changes":[110],"bending":[112],"axial":[114],"stiffness":[115],"properties":[116],"effort":[119],"isolate":[121],"effect":[123],"by":[126],"itself.":[127],"Rap":[128],"conducted":[131],"measure":[133,155],"modal":[135],"frequencies":[136,156],"shapes":[138],"free-free":[141],"environment.":[142],"both":[148],"rotors":[153],"damping":[158],"stability,":[160],"load":[161],"distributions,":[162],"characteristics.":[165],"Rotorcraft":[166],"Comprehensive":[167],"Analysis":[168],"System":[169],"(RCAS)":[170],"models":[171],"were":[172],"run":[173],"all":[175],"cases":[176],"are":[178],"presented":[179],"along":[180],"purposes;":[186],"generally":[187],"good":[188],"agreement":[189],"observed":[191],"trends":[193],"between":[194],"predictions.":[197]},"counts_by_year":[],"updated_date":"2026-10-05T09:50:58.205359","created_date":"2025-07-03T00:00:00"}
