{"id":"https://openalex.org/W79077746","doi":null,"title":"Vibrations of Bladed Disk Assemblies","display_name":"Vibrations of Bladed Disk Assemblies","publication_year":1991,"publication_date":"1991-03-29","ids":{"openalex":"https://openalex.org/W79077746","mag":"79077746"},"language":"en","primary_location":{"id":"mag:79077746","doi":null,"is_oa":false,"landing_page_url":"https://apps.dtic.mil/dtic/tr/fulltext/u2/a237805.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","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/A5020444946","display_name":"Osita D. I. Nwokah","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"O.D.I. Nwokah","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5010907041","display_name":"Anil K. Bajaj","orcid":"https://orcid.org/0000-0001-9120-978X","observed_orcids":["https://orcid.org/0000-0001-9120-978X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Anil K. Bajaj","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":17,"citation_normalized_percentile":{"value":0.0134888,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"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/T12435","display_name":"Bladed Disk Vibration Dynamics","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/T12435","display_name":"Bladed Disk Vibration Dynamics","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/T12206","display_name":"Vibration and Dynamic Analysis","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T11096","display_name":"Aeroelasticity and Vibration Control","score":9.999999747378752e-05,"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/bladed-disk-assemblies","display_name":"bladed disk assemblies","score":0.972000002861023},{"id":"https://openalex.org/keywords/eigenvalue-degeneracy","display_name":"eigenvalue degeneracy","score":0.8149999976158142},{"id":"https://openalex.org/keywords/mode-localization","display_name":"mode localization","score":0.9950000047683716},{"id":"https://openalex.org/keywords/manufacturing-tolerances","display_name":"manufacturing tolerances","score":0.7789999842643738},{"id":"https://openalex.org/keywords/group-theory","display_name":"group theory","score":0.8360000252723694},{"id":"https://openalex.org/keywords/singularity-theory","display_name":"singularity theory","score":0.9829999804496765},{"id":"https://openalex.org/keywords/singular-perturbation","display_name":"singular perturbation","score":0.9919999837875366}],"concepts":[{"id":"https://openalex.org/C198394728","wikidata":"https://www.wikidata.org/wiki/Q3695508","display_name":"Vibration","level":2,"score":0.7911688089370728},{"id":"https://openalex.org/C16171025","wikidata":"https://www.wikidata.org/wiki/Q863349","display_name":"Singularity","level":2,"score":0.7295385599136353},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.5840976238250732},{"id":"https://openalex.org/C71139939","wikidata":"https://www.wikidata.org/wiki/Q910194","display_name":"Modal","level":2,"score":0.5632351040840149},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.550547182559967},{"id":"https://openalex.org/C2781349735","wikidata":"https://www.wikidata.org/wiki/Q4904824","display_name":"Bifurcation","level":3,"score":0.5439242720603943},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.47980836033821106},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.45148900151252747},{"id":"https://openalex.org/C104286136","wikidata":"https://www.wikidata.org/wiki/Q1416137","display_name":"Modal analysis","level":3,"score":0.4361311197280884},{"id":"https://openalex.org/C177918212","wikidata":"https://www.wikidata.org/wiki/Q803623","display_name":"Perturbation (astronomy)","level":2,"score":0.41789817810058594},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3607916235923767},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.346110999584198},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.1434592306613922},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.09062382578849792},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.07645359635353088},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0693526566028595},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.06912732124328613},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:79077746","doi":null,"is_oa":false,"landing_page_url":"https://apps.dtic.mil/dtic/tr/fulltext/u2/a237805.pdf","pdf_url":null,"source":null,"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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W141623485","https://openalex.org/W2374120377","https://openalex.org/W2076577402","https://openalex.org/W573943581","https://openalex.org/W2360951426","https://openalex.org/W2074736580","https://openalex.org/W4236439015","https://openalex.org/W2066987775","https://openalex.org/W209303494","https://openalex.org/W161181747"],"abstract_inverted_index":{"Abstract":[0],":":[1],"The":[2],"problems":[3],"associated":[4],"with":[5],"uneven":[6,24,79,111],"forced":[7],"response":[8],"vibration":[9,25,80,121],"amplitudes":[10,26,81,112],"in":[11,17,54,60],"bladed":[12],"disk":[13],"assemblies":[14],"is":[15,21],"considered":[16],"the":[18,30,40,50,65,72,78,88],"report.":[19],"It":[20],"established":[22],"that":[23],"arise":[27],"principally":[28],"by":[29,34],"destruction":[31],"of":[32,49,71,110],"cyclic-symmetry":[33],"some":[35,48,84],"small":[36],"perturbations":[37,45],"usually":[38],"within":[39],"component":[41],"manufacturing":[42],"tolerances.":[43],"Such":[44],"first":[46],"split":[47,59],"eigenvalue":[51],"degeneracies":[52],"inherent":[53],"all":[55],"cyclic":[56],"systems.":[57],"This":[58],"turn":[61],"gives":[62],"rise":[63,76],"to":[64,77,87,105,119],"modal":[66,73],"bifurcation":[67],"phenomenon.":[68,91],"Particular":[69],"forms":[70],"phenomenon":[74],"give":[75,106],"and":[82,99,113],"under":[83],"restricted":[85],"conditions":[86],"mode":[89,114],"localization":[90],"In":[92],"this":[93],"report,":[94],"group":[95],"theory,":[96],"singularity":[97],"theory":[98,102],"singular":[100],"perturbation":[101],"are":[103],"combined":[104],"a":[107,117],"complete":[108],"analysis":[109],"localization;":[115],"as":[116],"prelude":[118],"blade":[120],"control.":[122]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}