{"id":"W4412989124","doi":"10.1016/j.actaastro.2025.07.049","title":"Effect of reduced gravity on tool forces of an ultrasonically vibrating blade in regolith simulant","year":2025,"lang":"en","type":"article","venue":"Acta Astronautica","topic":"Granular flow and fluidized beds","field":"Engineering","cited_by":1,"is_retracted":false,"has_abstract":false,"ca_institutions":"Concordia University","funders":"Concordia University; Space Technology Mission Directorate; National Aeronautics and Space Administration","keywords":"Regolith; Blade (archaeology); Aerospace engineering; Hypergravity; Astrobiology; Engineering; Geology; Environmental science; Structural engineering; Physics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003322657,0.0001534186,0.0003559306,0.0001185964,0.00001953382,0.000009574545,0.0001885484,0.00009035932,0.00001196705],"category_scores_gemma":[0.0001952465,0.0001361165,0.00007794732,0.0002092478,0.00005043103,0.00007878732,0.00002385173,0.0001981563,0.000001040174],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003295561,"about_ca_system_score_gemma":0.00002437959,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001536999,"about_ca_topic_score_gemma":0.000009817641,"domain_scores_codex":[0.9989873,0.00009867742,0.0003530956,0.0001666634,0.0001479591,0.0002463397],"domain_scores_gemma":[0.999191,0.000404941,0.0000380813,0.0003137603,0.00001737398,0.00003488377],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0002685186,0.00009692607,0.002860572,0.0003139273,0.00005534805,0.0000037813,0.0001385157,0.004944432,0.9663056,0.001066519,0.00003030743,0.02391561],"study_design_scores_gemma":[0.001260285,0.0008101282,0.01867126,0.0003387394,0.00004586532,0.000001032371,0.00002412303,0.05065317,0.9278582,0.00009376432,0.0001031042,0.0001402927],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9980357,0.00003442139,0.0007414603,0.00004093676,0.00008629109,0.0002179833,0.00001447682,0.00005756576,0.0007711806],"genre_scores_gemma":[0.9987967,0.000004725769,0.001122556,0.000009732418,0.00001463527,0.00001021898,0.0000159606,0.00001529998,0.00001018425],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04570874,"threshold_uncertainty_score":0.5550671,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00300108866377307,"score_gpt":0.2375329522352487,"score_spread":0.2345318635714757,"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."}}