{"id":"W2048588193","doi":"10.1121/1.2932699","title":"Optimal sound absorbing and manufacturable two-dimensional, hexagonal-like porous structure","year":2008,"lang":"en","type":"article","venue":"The Journal of the Acoustical Society of America","topic":"Acoustic Wave Phenomena Research","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Sherbrooke","funders":"","keywords":"Tortuosity; Materials science; Noise reduction coefficient; Porosity; Porous medium; Absorption (acoustics); Composite material; Cross section (physics); Mechanics; Physics","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":[0.0002654365,0.0001764653,0.0002054719,0.0003136446,0.0002121439,0.0005547416,0.0002239297,0.0003363897,0.0005656853],"category_scores_gemma":[0.001148211,0.000220868,0.0001616332,0.0002187698,0.0005062751,0.0003972314,0.0002429756,0.000146051,0.00008363246],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004439836,"about_ca_system_score_gemma":0.0004701766,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001260863,"about_ca_topic_score_gemma":0.002468674,"domain_scores_codex":[0.9998959,0.00001630091,0.000004470913,0.00001913765,0.00003286591,0.0000312002],"domain_scores_gemma":[0.9995754,0.0001867418,0.0001059257,0.00004093986,0.00005905903,0.00003186825],"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":[0.00009746237,0.00008070096,0.001691769,0.00006841937,0.000009343969,0.0001371822,0.00003260262,0.9298214,0.05613191,0.004536004,0.0001423094,0.007250846],"study_design_scores_gemma":[0.00004087425,0.000199569,0.001928686,0.00000532185,0.00001254929,0.0000984913,0.00005644536,0.9808142,0.01476516,0.001673802,0.0003914044,0.00001335588],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9339264,0.0001081269,0.06105435,0.00005697141,0.000006886835,0.00001963251,0.0000847781,0.0001118045,0.00463098],"genre_scores_gemma":[0.9772335,0.00003630868,0.02237253,0.00000455258,0.000001294709,0.00001280869,0.00002379932,0.000006329015,0.0003088861],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001260863,"threshold_uncertainty_score":0.003221333,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0137610442028827,"score_gpt":0.2388478470330443,"score_spread":0.2250868028301616,"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."}}