{"id":"W4410739050","doi":"10.1016/j.finel.2025.104369","title":"Second-order compatible-strain mixed finite elements for 2D compressible nonlinear elasticity","year":2025,"lang":"en","type":"article","venue":"Finite Elements in Analysis and Design","topic":"Advanced Numerical Methods in Computational Mathematics","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"McGill University","funders":"","keywords":"Finite element method; Nonlinear elasticity; Elasticity (physics); Compressibility; Nonlinear system; Finite strain theory; Mathematics; Mathematical analysis; Physics; Structural engineering; Mechanics; Materials science; Engineering; Composite material","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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0006462741,0.0002528779,0.0005647207,0.0005990174,0.0001021631,0.00005883211,0.0001911154,0.00007728699,0.0001821406],"category_scores_gemma":[0.0004785873,0.0002568375,0.0001065351,0.001579003,0.00004203815,0.00009674876,0.00006357533,0.0001712218,0.000004883255],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006228882,"about_ca_system_score_gemma":0.000023949,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000001912271,"about_ca_topic_score_gemma":0.00002142638,"domain_scores_codex":[0.998152,0.0001321192,0.0008477992,0.0003200622,0.000206113,0.0003419442],"domain_scores_gemma":[0.9962696,0.003193582,0.0001320597,0.0002216673,0.0001128522,0.00007018479],"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":[0.00003858448,0.0001493265,0.004030853,0.000247757,0.0009636378,0.00000199321,0.00008474245,0.9704555,0.0003501349,0.0008508761,0.0002748768,0.02255167],"study_design_scores_gemma":[0.0009678418,0.00005211612,0.002008161,0.00006272278,0.0002849276,9.881033e-8,0.00004822309,0.9756314,0.000857308,0.01727288,0.002582554,0.0002317572],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.003820054,0.0001247497,0.9944297,0.00002009923,0.0001430075,0.0004672151,0.000247306,0.0000750305,0.0006728023],"genre_scores_gemma":[0.0794723,0.00003917673,0.9197605,0.0001639813,0.00002846518,0.0001269944,0.0001454923,0.00002446191,0.0002385829],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.07565225,"threshold_uncertainty_score":0.9999884,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04022529940474778,"score_gpt":0.3308886315116298,"score_spread":0.290663332106882,"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."}}