{"id":"W4415455471","doi":"10.3397/in_2025_1074286","title":"Diffuse field sound absorption performance of porous material with embedded periodic Helmholtz resonators","year":2025,"lang":"en","type":"article","venue":"NOISE-CON proceedings","topic":"Acoustic Wave Phenomena Research","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"National Research Council Canada; Queen's University; Université de Sherbrooke","funders":"","keywords":"Metamaterial; Helmholtz resonator; Resonator; Helmholtz free energy; Absorption (acoustics); Acoustic impedance; Electrical impedance; Noise (video); Metamaterial absorber","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001813527,0.0002172863,0.0002742638,0.0002428286,0.00008651005,0.00009098511,0.000257293,0.0001347348,0.0001588483],"category_scores_gemma":[0.00005638841,0.0001968688,0.00003506295,0.0003710891,0.0001010264,0.0002679187,0.00007013719,0.000259682,0.00001841226],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001323898,"about_ca_system_score_gemma":0.00004855531,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001681295,"about_ca_topic_score_gemma":0.000002071178,"domain_scores_codex":[0.9987417,0.000004121761,0.0003074061,0.0002553392,0.0003015787,0.0003898956],"domain_scores_gemma":[0.9995107,0.00003766411,0.0000584382,0.0001534698,0.0001615896,0.00007813948],"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":[0.00322469,0.0003925702,0.07021438,0.00917111,0.000476651,0.00001653187,0.008055415,0.001636892,0.8804438,0.004808148,0.01170211,0.009857744],"study_design_scores_gemma":[0.008432976,0.002450703,0.05172107,0.00159666,0.0003067784,0.000075344,0.004353242,0.07991876,0.8429468,0.003228565,0.002977161,0.001991925],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9884255,0.00006755748,0.0002486602,0.00006411959,0.0002242966,0.000327901,0.00001075536,0.0002317726,0.01039945],"genre_scores_gemma":[0.9984952,0.00004047688,0.0005416583,0.00005246711,0.00009664169,0.0000642269,0.000006664421,0.00004253684,0.0006601159],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.07828186,"threshold_uncertainty_score":0.8028077,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007494290080049692,"score_gpt":0.2220266800651698,"score_spread":0.2145323899851201,"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."}}