{"id":"W6996524218","doi":"","title":"Sonic Crystal Acoustic Attenuation Applied to Exhaust Air Systems","year":2023,"lang":"en","type":"article","venue":"NPARC","topic":"Acoustic Wave Phenomena Research","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Sherbrooke","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Noise (video); Finite element method; Acoustic attenuation; Noise control; Acoustic impedance; Attenuation; Inertia; Transfer matrix; Discretization; Structural acoustics","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":true,"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":[0.0001235628,0.0003582011,0.0002462547,0.000260113,0.0002413395,0.0005713347,0.000344432,0.0004762795,0.00161629],"category_scores_gemma":[0.0003942113,0.0001818731,0.0003619974,0.0003581919,0.0004246651,0.0004069254,0.0003531203,0.0003376653,0.0003517839],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004001973,"about_ca_system_score_gemma":0.0004911021,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004451109,"about_ca_topic_score_gemma":0.002289491,"domain_scores_codex":[0.9998634,0.00002669313,0.000003635824,0.00001729728,0.00007385413,0.00001496335],"domain_scores_gemma":[0.9999114,0.00003391356,0.00001385939,0.000009166337,0.00002802073,0.000003655999],"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":[0.00008310606,0.00006977972,0.001663463,0.0002615733,0.00002412029,0.0005546195,0.0004125212,0.7584856,0.1506901,0.04641043,0.0009605585,0.04038427],"study_design_scores_gemma":[0.000004870889,0.00005438435,0.0003905071,0.00001473559,0.000008603655,0.0001268147,0.00005601964,0.9795713,0.01222371,0.001906703,0.005631506,0.00001078359],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.1966161,0.001298056,0.7443146,0.0002795996,0.0001528067,0.00009377555,0.0001118372,0.0005776323,0.05655563],"genre_scores_gemma":[0.958082,0.001446116,0.02953638,0.00003981691,0.0000485161,0.00006672982,0.00006891636,0.00006475538,0.01064662],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.004451109,"threshold_uncertainty_score":0.008850396,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02030130460887039,"score_gpt":0.2451754119489442,"score_spread":0.2248741073400738,"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."}}