{"id":"W1978361294","doi":"10.1115/1.3112739","title":"Validation of Nonlinear Viscoelastic Contact Force Models for Low Speed Impact","year":2009,"lang":"en","type":"article","venue":"Journal of Applied Mechanics","topic":"Dynamics and Control of Mechanical Systems","field":"Engineering","cited_by":109,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"","keywords":"Coefficient of restitution; Nonlinear system; Contact force; Multibody system; Viscoelasticity; Pendulum; Mechanics; Dissipation; Acceleration; Contact dynamics; Range (aeronautics); Dynamics (music); Physics; Statistical physics; Classical mechanics; Mechanical engineering; Engineering; Acoustics; Aerospace engineering","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":[0.0004535887,0.0001648888,0.0004979036,0.0001089627,0.00002167942,0.00002850639,0.0001994928,0.0001197254,0.000006087772],"category_scores_gemma":[0.00002128566,0.0001361237,0.0002715428,0.0001022509,0.000002027758,0.0001344655,0.000007388751,0.0001632678,0.000001585769],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001270873,"about_ca_system_score_gemma":0.00004275187,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":8.224381e-7,"about_ca_topic_score_gemma":4.209864e-7,"domain_scores_codex":[0.9987151,0.000006820274,0.0006950565,0.00008596793,0.0002797888,0.0002172575],"domain_scores_gemma":[0.9991381,0.00007969314,0.0003513775,0.0001373037,0.0001715747,0.0001220008],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0003004365,0.00005963692,8.598468e-8,0.00005766897,0.0001160799,0.000001826295,0.00004766442,0.5891721,0.3673345,0.03730427,0.00004639341,0.00555932],"study_design_scores_gemma":[0.00149635,0.0006381689,0.000001379112,0.00006895125,0.00008129167,0.0000114094,0.0000324484,0.9020987,0.03090624,0.06451528,0.00002646132,0.0001233708],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.1388524,0.00007428574,0.8599384,0.0000247888,0.000334326,0.0003201267,0.00002536385,0.00002487261,0.0004053446],"genre_scores_gemma":[0.9953078,0.00003044697,0.00436154,0.00002779248,0.0002301757,0.000001842243,0.000006025755,0.00002813108,0.00000625942],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.8564554,"threshold_uncertainty_score":0.5550964,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008122447714170955,"score_gpt":0.2254418604515135,"score_spread":0.2173194127373426,"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."}}