{"id":"W4407925004","doi":"10.37934/arfmts.127.2.203233","title":"Numerical Simulations of Base Pressure and Its Control in a Suddenly Expanded Duct at Mach 1.6 using Quarter Circular Ribs","year":2025,"lang":"en","type":"article","venue":"Journal of Advanced Research in Fluid Mechanics and Thermal Sciences","topic":"Plasma and Flow Control in Aerodynamics","field":"Engineering","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Mach number; Quarter (Canadian coin); Duct (anatomy); Rib cage; Base (topology); Mechanics; Geology; Physics; Engineering; Mathematics; Structural engineering; Anatomy; History; Medicine; Mathematical analysis; Archaeology","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003532215,0.0003633105,0.0005606712,0.0004206171,0.0005922957,0.0007289248,0.0006905579,0.001199289,0.001842551],"category_scores_gemma":[0.001019693,0.0002647051,0.0005884859,0.0004566917,0.0008171939,0.0003783994,0.00049021,0.0005827939,0.0001727304],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005271552,"about_ca_system_score_gemma":0.000652834,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008471918,"about_ca_topic_score_gemma":0.003855091,"domain_scores_codex":[0.9998423,0.00002864841,0.000009927175,0.00002104909,0.00004190193,0.00005618038],"domain_scores_gemma":[0.9992957,0.0003608134,0.0001191986,0.00004838863,0.0001015908,0.00007423047],"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":[0.0001239345,0.00007925129,0.002847082,0.00005130907,0.00001121464,0.0002160823,0.0001045747,0.9883936,0.00494086,0.001245419,0.0002156642,0.001770926],"study_design_scores_gemma":[0.00001268526,0.0000635829,0.000891277,0.000006362575,0.00000381592,0.0000150745,0.00004685015,0.9975113,0.001141742,0.0001109708,0.0001888652,0.000007448926],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.978537,0.0002003413,0.00998087,0.0001839201,0.00004935205,0.00003579907,0.0002697162,0.0001937135,0.01054931],"genre_scores_gemma":[0.9955668,0.00006191047,0.003172067,0.00001388257,0.000003109474,0.00002444804,0.00006899982,0.00001208619,0.001076771],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008471918,"threshold_uncertainty_score":0.01684517,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0292073880211552,"score_gpt":0.3194996565539011,"score_spread":0.2902922685327459,"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."}}