{"id":"W2205969293","doi":"10.1115/detc2015-46796","title":"Nonsmooth Modal Analysis: Investigation of a 2-DOF Spring-Mass System Subject to an Elastic Impact Law","year":2015,"lang":"en","type":"preprint","venue":"","topic":"Bladed Disk Vibration Dynamics","field":"Engineering","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"","keywords":"Modal; Nonlinear system; Lyapunov function; Modal analysis; Spring (device); Differentiable function; Vibration; Mechanical system; Law; Mathematics; Control theory (sociology); Mathematical analysis; Computer science; Mathematical economics; Engineering; Structural engineering; Physics; Control (management); Artificial intelligence","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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0004387139,0.0004451614,0.0007994149,0.0007110842,0.00002791922,0.0001341216,0.0004380594,0.0004046824,0.00002707425],"category_scores_gemma":[0.00003844789,0.0004358841,0.000293836,0.0008468611,0.00004214643,0.0002408391,0.0001637003,0.0004103824,0.00003501389],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007414489,"about_ca_system_score_gemma":0.0002331098,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002629493,"about_ca_topic_score_gemma":0.003149588,"domain_scores_codex":[0.9979037,0.0001056971,0.0007435118,0.0004637761,0.0004674804,0.0003158381],"domain_scores_gemma":[0.9980052,0.00004948637,0.0001827922,0.001020772,0.0002707098,0.0004710525],"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":[0.00001198897,0.00001117569,0.004810131,0.0004196122,0.0009122558,0.000002098756,0.0003036048,0.9858785,0.001429414,0.006168965,0.00003521597,0.00001704267],"study_design_scores_gemma":[0.000174121,0.00006013302,0.007218766,0.0001295775,0.0007738883,0.000001242149,0.000134898,0.98942,0.001155564,0.0004947822,0.000004189722,0.0004328591],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6259127,0.00005390396,0.3683932,0.00001050339,0.0002998403,0.00046858,0.0001657555,0.0007135552,0.003981958],"genre_scores_gemma":[0.9863098,0.000002058205,0.01315448,0.00001633828,0.000101046,0.00006446609,0.000239224,0.00008369277,0.00002887907],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3603971,"threshold_uncertainty_score":0.9998093,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01622916955486075,"score_gpt":0.2478814766206097,"score_spread":0.2316523070657489,"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."}}