{"id":"W3211734012","doi":"10.1115/imece2001/pvp-25205","title":"On a Model of a Ball in Cluster Impact Problems in Granular Mechanics","year":2001,"lang":"en","type":"article","venue":"","topic":"Granular flow and fluidized beds","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"","keywords":"Hertz; Nonlinear system; Ball (mathematics); Computer science; Contact theory; Contact mechanics; Cluster (spacecraft); Mechanics; Control theory (sociology); Mathematics; Physics; Engineering; Finite element method; Mathematical analysis; Structural engineering; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0006591933,0.001381346,0.002461773,0.001252866,0.002417695,0.002938265,0.002618784,0.004994622,0.003599091],"category_scores_gemma":[0.00193163,0.0006848119,0.0009531658,0.001225098,0.004492285,0.001464295,0.003150584,0.001775774,0.0004201993],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002087002,"about_ca_system_score_gemma":0.00159278,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02672058,"about_ca_topic_score_gemma":0.01093446,"domain_scores_codex":[0.9995199,0.0001642858,0.000018417,0.00006638544,0.0001317352,0.000099128],"domain_scores_gemma":[0.9992418,0.0002941349,0.00008366464,0.00003637747,0.0001211853,0.000222883],"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":[0.0001683991,0.00009305745,0.000560777,0.0001084151,0.00003306473,0.0004915489,0.0001307046,0.904159,0.001759673,0.09035727,0.001127174,0.001010945],"study_design_scores_gemma":[0.00002637365,0.00002285191,0.00009624603,0.000005173723,0.00000482544,0.00002009716,0.00002476441,0.9924101,0.0001087399,0.00703675,0.0002344302,0.000009775266],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.4991698,0.002347751,0.4107561,0.00512848,0.0007020127,0.0004631397,0.0006763621,0.0004128591,0.0803435],"genre_scores_gemma":[0.9705409,0.0004543389,0.01126705,0.0002160631,0.0001327354,0.0001945905,0.0001834351,0.00007577445,0.01693517],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02672058,"threshold_uncertainty_score":0.05313009,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0125284146859136,"score_gpt":0.2168417352774305,"score_spread":0.2043133205915169,"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."}}