{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:7YQRNOAJBZPZ6JYF5K2VO65MKF","short_pith_number":"pith:7YQRNOAJ","schema_version":"1.0","canonical_sha256":"fe2116b8090e5f9f2705eab5577bac5177425cbca29bb778892214801b0cd6d5","source":{"kind":"arxiv","id":"1107.3309","version":1},"attestation_state":"computed","paper":{"title":"Enhanced lattice Bhatnagar-Gross-Krook method for fluid dynamics simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"D. Lycett-Brown, I.V. Karlin, K.H. Luo","submitted_at":"2011-07-17T15:28:58Z","abstract_excerpt":"A generalization of the lattice Bhatnagar-Gross-Krook (LBGK) model for the simulation of hydrodynamics is presented, which takes into account the difference and the frame-independence of the relaxation of non-hydrodynamic modes. The present model retains the computationally efficient standard LBGK form with the generalized equilibrium explicitly derived. The two-dimensional realization on the standard lattice is discussed in detail. Performance of the model is assessed through a shear layer simulation and enhanced stability and accuracy with respect to the standard LBGK are reported. The resul"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1107.3309","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2011-07-17T15:28:58Z","cross_cats_sorted":[],"title_canon_sha256":"800c5dc77462f5c95738ba60f789e7eb6262b536f9e2e89c49715da84aedf7ee","abstract_canon_sha256":"fbef9091600e0ea710d6c34c2ffc5c19741f47eb8fb767a3d9aa93f57ff251b2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:18:03.344612Z","signature_b64":"sxAHMr2/uerRSkyyXcKEyD8UEEIgkj9Bzr566vm6UhX9u40IXD392D/hB4VZEae+t9Y/XEbBPMdJo1EaQf+4AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe2116b8090e5f9f2705eab5577bac5177425cbca29bb778892214801b0cd6d5","last_reissued_at":"2026-05-18T04:18:03.343936Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:18:03.343936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Enhanced lattice Bhatnagar-Gross-Krook method for fluid dynamics simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"D. Lycett-Brown, I.V. Karlin, K.H. Luo","submitted_at":"2011-07-17T15:28:58Z","abstract_excerpt":"A generalization of the lattice Bhatnagar-Gross-Krook (LBGK) model for the simulation of hydrodynamics is presented, which takes into account the difference and the frame-independence of the relaxation of non-hydrodynamic modes. The present model retains the computationally efficient standard LBGK form with the generalized equilibrium explicitly derived. The two-dimensional realization on the standard lattice is discussed in detail. Performance of the model is assessed through a shear layer simulation and enhanced stability and accuracy with respect to the standard LBGK are reported. The resul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.3309","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1107.3309","created_at":"2026-05-18T04:18:03.344041+00:00"},{"alias_kind":"arxiv_version","alias_value":"1107.3309v1","created_at":"2026-05-18T04:18:03.344041+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.3309","created_at":"2026-05-18T04:18:03.344041+00:00"},{"alias_kind":"pith_short_12","alias_value":"7YQRNOAJBZPZ","created_at":"2026-05-18T12:26:22.705136+00:00"},{"alias_kind":"pith_short_16","alias_value":"7YQRNOAJBZPZ6JYF","created_at":"2026-05-18T12:26:22.705136+00:00"},{"alias_kind":"pith_short_8","alias_value":"7YQRNOAJ","created_at":"2026-05-18T12:26:22.705136+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7YQRNOAJBZPZ6JYF5K2VO65MKF","json":"https://pith.science/pith/7YQRNOAJBZPZ6JYF5K2VO65MKF.json","graph_json":"https://pith.science/api/pith-number/7YQRNOAJBZPZ6JYF5K2VO65MKF/graph.json","events_json":"https://pith.science/api/pith-number/7YQRNOAJBZPZ6JYF5K2VO65MKF/events.json","paper":"https://pith.science/paper/7YQRNOAJ"},"agent_actions":{"view_html":"https://pith.science/pith/7YQRNOAJBZPZ6JYF5K2VO65MKF","download_json":"https://pith.science/pith/7YQRNOAJBZPZ6JYF5K2VO65MKF.json","view_paper":"https://pith.science/paper/7YQRNOAJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1107.3309&json=true","fetch_graph":"https://pith.science/api/pith-number/7YQRNOAJBZPZ6JYF5K2VO65MKF/graph.json","fetch_events":"https://pith.science/api/pith-number/7YQRNOAJBZPZ6JYF5K2VO65MKF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7YQRNOAJBZPZ6JYF5K2VO65MKF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7YQRNOAJBZPZ6JYF5K2VO65MKF/action/storage_attestation","attest_author":"https://pith.science/pith/7YQRNOAJBZPZ6JYF5K2VO65MKF/action/author_attestation","sign_citation":"https://pith.science/pith/7YQRNOAJBZPZ6JYF5K2VO65MKF/action/citation_signature","submit_replication":"https://pith.science/pith/7YQRNOAJBZPZ6JYF5K2VO65MKF/action/replication_record"}},"created_at":"2026-05-18T04:18:03.344041+00:00","updated_at":"2026-05-18T04:18:03.344041+00:00"}