{"id":"W3200658309","doi":"10.1142/s1758825121500952","title":"Comparison of Continuum Stresses in Granular Material Computed by Volume Average Approach and Boundary Average Approach Under Static and Quasi-Static Conditions","year":2021,"lang":"en","type":"article","venue":"International Journal of Applied Mechanics","topic":"Rock Mechanics and Modeling","field":"Engineering","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin","keywords":"Granular material; Boundary value problem; Periodic boundary conditions; Micromechanics; Discrete element method; Mechanics; Approximation error; Representative elementary volume; Boundary (topology); Mathematics; Finite element method; Materials science; Physics; Mathematical analysis; Algorithm; Composite material; Thermodynamics","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000446767,0.0003526473,0.0004290643,0.001246743,0.000367251,0.0008136453,0.0006893445,0.0006014531,0.0007691537],"category_scores_gemma":[0.001058705,0.0002424963,0.0004810058,0.000937734,0.0005994404,0.001074526,0.0002862533,0.0003746567,0.0001479967],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004257636,"about_ca_system_score_gemma":0.0005559715,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003752354,"about_ca_topic_score_gemma":0.003771201,"domain_scores_codex":[0.9997428,0.00002503791,0.00002277616,0.00005350298,0.0001197356,0.0000361288],"domain_scores_gemma":[0.9995216,0.0001671911,0.00004827653,0.00006991005,0.0001653631,0.00002764444],"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":[0.0006012399,0.0001645822,0.02128492,0.0004593252,0.00009289341,0.0005973295,0.0009064272,0.6982889,0.1253799,0.01060011,0.001001595,0.1406229],"study_design_scores_gemma":[0.0000143434,0.00009330657,0.00952567,0.00001854939,0.00001977731,0.00007271201,0.0001900461,0.9690015,0.01913492,0.001393054,0.0004904597,0.00004565659],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9010841,0.0004404793,0.0941366,0.00009540206,0.00006709532,0.00002347629,0.0001448887,0.0008163,0.003191605],"genre_scores_gemma":[0.9846237,0.0001517697,0.01474366,0.00001310006,0.000008948745,0.00001903857,0.0001165177,0.00003787062,0.0002854297],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003752354,"threshold_uncertainty_score":0.007461011,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01259747856395787,"score_gpt":0.249293141996035,"score_spread":0.2366956634320771,"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."}}