{"id":"W2054427335","doi":"10.1103/physreve.82.041304","title":"Collapse of a rectangular well in a quasi-two-dimensional granular bed","year":2010,"lang":"en","type":"article","venue":"Physical Review E","topic":"Granular flow and fluidized beds","field":"Engineering","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"Dalhousie University; Western University","funders":"Natural Sciences and Engineering Research Council of Canada; Bayworld Centre for Research and Education","keywords":"Dissipation; Kinetic energy; Mechanics; Particle image velocimetry; Discrete element method; Physics; Granular material; Aspect ratio (aeronautics); Flow (mathematics); Geology; Classical mechanics; Geotechnical engineering; Thermodynamics; Turbulence","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0002611888,0.0002581984,0.000474066,0.0004050614,0.0005123053,0.0005858478,0.0004942561,0.0004672501,0.0007679207],"category_scores_gemma":[0.0006611141,0.0002542803,0.0002954496,0.0003177298,0.0009152126,0.0004585371,0.0005903738,0.0004585602,0.000106747],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005781796,"about_ca_system_score_gemma":0.0004415765,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004273237,"about_ca_topic_score_gemma":0.002632212,"domain_scores_codex":[0.9998518,0.00001558957,0.000009010859,0.00003001704,0.00004458944,0.00004895077],"domain_scores_gemma":[0.9996057,0.0001045755,0.0000638011,0.00005908915,0.00004090703,0.0001259892],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0007509061,0.0008954843,0.01834534,0.0001828779,0.0001798085,0.001935673,0.0004466538,0.5108778,0.4550771,0.004897747,0.0003060207,0.006104629],"study_design_scores_gemma":[0.00007064882,0.0004879978,0.009782583,0.000009071873,0.00002351241,0.0001087642,0.0001471847,0.951367,0.03723115,0.0005349124,0.0002008466,0.0000364291],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9967049,0.00004494685,0.002811506,0.00002223508,0.000005763444,0.00001172088,0.00004257987,0.0000464045,0.0003098708],"genre_scores_gemma":[0.9977447,0.00003715967,0.001970145,0.000008535304,0.00000169086,0.000008352466,0.00005441804,0.000005809436,0.0001692331],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004273237,"threshold_uncertainty_score":0.008496702,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007040397079873814,"score_gpt":0.2509439803516317,"score_spread":0.2439035832717579,"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."}}