{"id":"W3217069246","doi":"10.1007/s00366-021-01553-x","title":"Nonlinear vibration analysis of bidirectional porous beams","year":2021,"lang":"en","type":"article","venue":"Engineering With Computers","topic":"Composite Structure Analysis and Optimization","field":"Engineering","cited_by":22,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia","funders":"Canadian Network for Research and Innovation in Machining Technology, Natural Sciences and Engineering Research Council of Canada","keywords":"Porosity; Nonlinear system; Vibration; Beam (structure); Boundary value problem; Mechanics; Bending stiffness; Harmonic balance; Discretization; Timoshenko beam theory; Hamilton's principle; Natural frequency; Materials science; Mathematical analysis; Mathematics; Physics; Acoustics; Composite material; Optics","routes":{"ca_aff":true,"ca_fund":true,"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":[0.00002844374,0.0001049733,0.0002166397,0.0002793546,0.00001849663,0.00002438854,0.00005095611,0.00003259617,0.00003225922],"category_scores_gemma":[0.000004526352,0.000103348,0.00008405005,0.001356341,0.000006144502,0.00007211709,0.00001156072,0.00006377564,7.171377e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003599829,"about_ca_system_score_gemma":0.00001122054,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000005848352,"about_ca_topic_score_gemma":0.00001157851,"domain_scores_codex":[0.999468,0.000005634545,0.0001674913,0.00012432,0.0001380994,0.00009651438],"domain_scores_gemma":[0.9996756,0.00003729027,0.0000249506,0.0001474537,0.0000792003,0.00003545883],"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":[0.000001818527,0.000008170708,0.0005258963,0.00001664371,0.001005536,0.00000524135,0.00007503352,0.9937823,0.003730997,0.00005721633,0.00003735545,0.0007537963],"study_design_scores_gemma":[0.00009868721,0.00001358153,0.009570344,0.00001642612,0.0003411803,0.000006178057,0.000005318085,0.9819425,0.007478305,8.398603e-7,0.0004109032,0.0001157647],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.2127689,0.0001264334,0.7865689,0.00001464769,0.0002330035,0.0000239544,0.000006423823,0.0001469288,0.0001108115],"genre_scores_gemma":[0.8601915,0.00001782397,0.1394708,0.00001343687,0.00007218823,0.000001865707,0.0001994708,0.00001905763,0.0000138146],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.6474227,"threshold_uncertainty_score":0.4214411,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.002130667060600397,"score_gpt":0.1619263095424576,"score_spread":0.1597956424818572,"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."}}