{"id":"W1991037714","doi":"10.1115/1.2826416","title":"Investigation of Fatigue Crack Propagation in Line Pipes Containing an Angled Surface Flaw","year":2008,"lang":"en","type":"article","venue":"Journal of Pressure Vessel Technology","topic":"Fatigue and fracture mechanics","field":"Engineering","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Dalhousie University","funders":"","keywords":"Fracture mechanics; Crack closure; Materials science; Crack growth resistance curve; Stress intensity factor; Structural engineering; Crack tip opening displacement; Stress concentration; Paris' law; Fracture (geology); Strain energy; Mechanics; Composite material; Engineering; Finite element method; 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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003138107,0.0001314228,0.0003563039,0.0004016624,0.00002989806,0.000006406693,0.0002291292,0.0002934402,0.000007808143],"category_scores_gemma":[0.000150385,0.0001211783,0.00003808085,0.0004704233,0.0000795328,0.0003771495,0.00001834469,0.000482914,7.740362e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002568397,"about_ca_system_score_gemma":0.00005220365,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00000860472,"about_ca_topic_score_gemma":0.00001912374,"domain_scores_codex":[0.9989331,0.00004834782,0.0005840191,0.0000987101,0.0001757526,0.0001600911],"domain_scores_gemma":[0.999182,0.00004647665,0.0003177466,0.0001775693,0.0002301371,0.00004607337],"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":[0.00008729158,0.00007367012,0.01942967,0.0002460921,0.0001358676,0.0001066743,0.002294031,0.1918027,0.7804506,0.00194187,0.00038425,0.003047304],"study_design_scores_gemma":[0.001312024,0.0008682316,0.003951038,0.0002970253,0.00007073849,0.0002232783,0.000421685,0.09019696,0.8965864,0.004545193,0.00127509,0.0002523694],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9738109,0.001738586,0.02369841,0.0002683908,0.0002065682,0.0001322131,0.000002750437,0.00009245476,0.00004970298],"genre_scores_gemma":[0.9930665,0.0002363336,0.00659015,0.00001504231,0.00005615722,0.000002090042,0.000004134922,0.00002202215,0.000007517931],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1161357,"threshold_uncertainty_score":0.4941509,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02959642028964716,"score_gpt":0.2410418744187089,"score_spread":0.2114454541290617,"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."}}