{"id":"W1992075758","doi":"10.1784/insi.46.11.666.52281","title":"Evaluation of closed cracks by analysis of subharmonic ultrasound","year":2004,"lang":"en","type":"article","venue":"Insight - Non-Destructive Testing and Condition Monitoring","topic":"Ultrasonics and Acoustic Wave Propagation","field":"Engineering","cited_by":13,"is_retracted":false,"has_abstract":true,"ca_institutions":"Hatch (Canada)","funders":"","keywords":"Subharmonic; Ultrasound; Acoustics; Structural engineering; Engineering; Materials science; Physics; Nonlinear system","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":[0.0002864982,0.0003200086,0.0003524362,0.001671512,0.0001189914,0.0004261815,0.0004046274,0.0005331412,0.001422325],"category_scores_gemma":[0.001527542,0.000197427,0.0001752793,0.0004675856,0.0004982114,0.0006068985,0.0003539096,0.0003141168,0.0003077302],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00034443,"about_ca_system_score_gemma":0.0001403098,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000540329,"about_ca_topic_score_gemma":0.0005152036,"domain_scores_codex":[0.9996457,0.0000435392,0.00001129501,0.00005196777,0.0002282984,0.00001910198],"domain_scores_gemma":[0.9984194,0.0006524458,0.0002344636,0.0001188538,0.0004992498,0.00007549851],"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":[0.0003978796,0.0001101839,0.01062747,0.0003787993,0.00003139918,0.0002286299,0.0003085164,0.02115581,0.7885824,0.001682023,0.0003339002,0.1761631],"study_design_scores_gemma":[0.00002434374,0.0003491861,0.02303789,0.00003721246,0.0000414989,0.0005338342,0.00009569431,0.6771025,0.2959241,0.001479444,0.001327173,0.00004707215],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.5801702,0.0008078053,0.4162351,0.00006607696,0.00002965661,0.00007607545,0.0001775774,0.0005988256,0.001838687],"genre_scores_gemma":[0.9122789,0.0002831505,0.08637619,0.00002000652,0.00002429385,0.00003100103,0.0001083942,0.00004696277,0.0008311718],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001671512,"threshold_uncertainty_score":0.00475812,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02325180450188651,"score_gpt":0.2602668426426562,"score_spread":0.2370150381407697,"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."}}