{"id":"W3045796617","doi":"10.1063/5.0014476","title":"Exact solutions to steady radial flow in a porous medium with variable permeability","year":2020,"lang":"en","type":"article","venue":"Physics of Fluids","topic":"Groundwater flow and contamination studies","field":"Environmental Science","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"Thompson Rivers University","funders":"","keywords":"Porous medium; Physics; Permeability (electromagnetism); Mechanics; Planar; RADIUS; Ideal gas; Flow (mathematics); Domain (mathematical analysis); Exact solutions in general relativity; Traveling wave; Porosity; Mathematical analysis; Geotechnical engineering; Mathematics","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":[0.0001184456,0.00009264631,0.0001615357,0.000009796563,0.00006027236,0.00001020228,0.000137249,0.00001864282,0.0001539303],"category_scores_gemma":[0.00002377027,0.00007912979,0.00002282169,0.0003108971,0.00008052474,0.0001707481,0.0001438556,0.00006478152,0.00008196705],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001064982,"about_ca_system_score_gemma":0.00001975526,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005926592,"about_ca_topic_score_gemma":0.0001517237,"domain_scores_codex":[0.9991664,0.00003175453,0.0001433602,0.0002211854,0.0002434397,0.0001938026],"domain_scores_gemma":[0.99971,0.00002997304,0.00002124264,0.0001414137,0.00001558027,0.00008181716],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004923983,0.001651481,0.4376558,0.0001405582,0.0001508107,0.00002002382,0.06332632,0.04462043,0.3509145,0.002938369,0.008992338,0.08909693],"study_design_scores_gemma":[0.004078503,0.002108518,0.9036351,0.00007284149,0.0001306604,0.000004490387,0.002311367,0.03820832,0.02039315,0.00287463,0.0249473,0.001235077],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8905053,0.00001453108,0.1049815,0.002130256,0.00005550754,0.0002581853,0.00002513249,0.00002799433,0.002001585],"genre_scores_gemma":[0.9969471,0.000001434334,0.002543274,0.0002944663,0.00005461015,0.00002870575,0.00000525389,0.000006831928,0.0001183065],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4659793,"threshold_uncertainty_score":0.3226819,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01906469491263505,"score_gpt":0.2213519703661989,"score_spread":0.2022872754535638,"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."}}