{"id":"W2486608277","doi":"","title":"Accuracy of Quarter-point Element in Modeling Crack-tip Fields","year":2013,"lang":"en","type":"article","venue":"","topic":"Fatigue and fracture mechanics","field":"Engineering","cited_by":10,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Mathematics; Singularity; Element (criminal law); Square (algebra); Square root; Point (geometry); Geometry; Quarter (Canadian coin); Mathematical analysis; Finite element method; Bounded function; Structural engineering; Engineering","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00006261955,0.00007582853,0.0001073006,0.00005313147,0.00000669045,0.00001037495,0.00007702492,0.00005675261,0.0006126953],"category_scores_gemma":[0.00001491206,0.00006498674,0.0000295807,0.00006075904,0.000002101185,0.0001436081,0.00001329767,0.0001052988,0.00005235006],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001600338,"about_ca_system_score_gemma":0.000004628873,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002845481,"about_ca_topic_score_gemma":0.0001108863,"domain_scores_codex":[0.9994869,0.00000561003,0.0002252872,0.00006950762,0.00007171148,0.0001409797],"domain_scores_gemma":[0.999751,0.00003152746,0.00001476721,0.0001527118,0.00002224482,0.0000277003],"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":[0.000004904673,0.00007818376,0.0002985227,0.0002150561,0.00004339924,0.000003707034,0.002339512,0.8972706,0.0150646,0.00357932,0.009425671,0.07167649],"study_design_scores_gemma":[0.0001425523,0.00002257161,0.00003989954,0.00002067583,0.000002095728,3.797425e-7,0.0002876675,0.9870235,0.009798956,0.002452187,0.0001264608,0.00008306575],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.4330367,0.0001462195,0.558579,0.0003304069,0.0001930663,0.0002107928,8.387005e-7,0.00008993666,0.007413073],"genre_scores_gemma":[0.9970367,0.00004427252,0.002751079,0.00009092109,0.00002230239,0.00001664359,0.000002342195,0.000009445465,0.00002630119],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.564,"threshold_uncertainty_score":0.6708584,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01177357845877067,"score_gpt":0.2134865647904915,"score_spread":0.2017129863317208,"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."}}