{"id":"W2975103868","doi":"10.1140/epjst/e2019-800214-2","title":"Periodic, aperiodic and chaotic motions of harmonically excited SDOF and MDOF nonlinear dynamical systems","year":2019,"lang":"en","type":"article","venue":"The European Physical Journal Special Topics","topic":"Bladed Disk Vibration Dynamics","field":"Engineering","cited_by":4,"is_retracted":false,"has_abstract":false,"ca_institutions":"Toronto Metropolitan University","funders":"","keywords":"Nonlinear system; Duffing equation; Van der Pol oscillator; Control theory (sociology); Mathematics; Aperiodic graph; Chaotic; Mathematical analysis; Physics; Computer science","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001816845,0.0001507734,0.0002544749,0.00004421263,0.0001082262,0.0001528365,0.0001980902,0.00003649892,0.00001562702],"category_scores_gemma":[0.00003082642,0.000112673,0.00007159505,0.0001152771,0.0001601793,0.0001245141,0.00008531845,0.0004587973,0.00003481982],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000345145,"about_ca_system_score_gemma":0.00001521277,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000001375595,"about_ca_topic_score_gemma":0.000001463097,"domain_scores_codex":[0.998996,0.0001636348,0.0003169844,0.0001242939,0.0002165746,0.0001824981],"domain_scores_gemma":[0.9995033,0.00004598841,0.00007934443,0.0001903087,0.00005222434,0.0001288728],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0002017498,0.001219418,0.00523745,0.001271985,0.001206513,0.000250288,0.01772261,0.1804575,0.05906631,0.07477626,0.002841801,0.6557481],"study_design_scores_gemma":[0.001456758,0.0002806188,0.06778449,0.0001590635,0.0001266498,0.0002854556,0.0005695854,0.9126536,0.00005759529,0.001177686,0.01497648,0.0004720204],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9705064,0.0001599389,0.0007350803,0.0003266551,0.0006359093,0.0001827886,0.00001866487,0.00005557209,0.02737905],"genre_scores_gemma":[0.9884125,0.0002340417,0.0002277681,0.00002624165,0.01084048,7.642416e-7,0.000004754831,0.00004403249,0.0002094297],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7321961,"threshold_uncertainty_score":0.4594672,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007378584946231907,"score_gpt":0.1986112290989003,"score_spread":0.1912326441526684,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}