{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:C53BIAMP3IZKAWMZ3CSKYS7HHP","short_pith_number":"pith:C53BIAMP","schema_version":"1.0","canonical_sha256":"177614018fda32a05999d8a4ac4be73bc8d7fb414bd15ff95804827e2f29214f","source":{"kind":"arxiv","id":"1203.6350","version":1},"attestation_state":"computed","paper":{"title":"Analysis of the absorbing layers for the weakly-compressible lattice Boltzmann schemes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"physics.comp-ph","authors_text":"Hui Xu, Pierre Sagaut","submitted_at":"2012-03-28T13:06:00Z","abstract_excerpt":"It has been demonstrated that Lattice Boltzmann schemes (LBSs) are very efficient for Computational AeroAcoustics (CAA). In order to handle the issue of absorbing acoustic boundary conditions for LBS, three kinds of damping terms are proposed and added into the right hand sides of the governing equations of LBS. From the classical theory, these terms play an important role to absorb and minimize the acoustic wave reflections from computational boundaries. Meanwhile, the corresponding macroscopic equations with the damping terms are recovered for analyzing the macroscopic behaviors of the these"},"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":"1203.6350","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2012-03-28T13:06:00Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"54068fad80f3c42003579efb87778eabdada5f0dd506b90ba25454537394824b","abstract_canon_sha256":"f91db4a9055b65418eaf32eb33b4c8a0c04e289ef70d332ad096bbb1d5e652d2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:59:02.721607Z","signature_b64":"l8M6BNhkdDig/ewKGJjYuCo3tOXt8vlqZ49sZbi5o2Q4DxcSUnNYyVn3mjPPMHsox/H5axHq3HSgSE1PbW2MBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"177614018fda32a05999d8a4ac4be73bc8d7fb414bd15ff95804827e2f29214f","last_reissued_at":"2026-05-18T03:59:02.721056Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:59:02.721056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Analysis of the absorbing layers for the weakly-compressible lattice Boltzmann schemes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"physics.comp-ph","authors_text":"Hui Xu, Pierre Sagaut","submitted_at":"2012-03-28T13:06:00Z","abstract_excerpt":"It has been demonstrated that Lattice Boltzmann schemes (LBSs) are very efficient for Computational AeroAcoustics (CAA). In order to handle the issue of absorbing acoustic boundary conditions for LBS, three kinds of damping terms are proposed and added into the right hand sides of the governing equations of LBS. From the classical theory, these terms play an important role to absorb and minimize the acoustic wave reflections from computational boundaries. Meanwhile, the corresponding macroscopic equations with the damping terms are recovered for analyzing the macroscopic behaviors of the these"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.6350","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":"1203.6350","created_at":"2026-05-18T03:59:02.721140+00:00"},{"alias_kind":"arxiv_version","alias_value":"1203.6350v1","created_at":"2026-05-18T03:59:02.721140+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.6350","created_at":"2026-05-18T03:59:02.721140+00:00"},{"alias_kind":"pith_short_12","alias_value":"C53BIAMP3IZK","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_16","alias_value":"C53BIAMP3IZKAWMZ","created_at":"2026-05-18T12:27:01.376967+00:00"},{"alias_kind":"pith_short_8","alias_value":"C53BIAMP","created_at":"2026-05-18T12:27:01.376967+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/C53BIAMP3IZKAWMZ3CSKYS7HHP","json":"https://pith.science/pith/C53BIAMP3IZKAWMZ3CSKYS7HHP.json","graph_json":"https://pith.science/api/pith-number/C53BIAMP3IZKAWMZ3CSKYS7HHP/graph.json","events_json":"https://pith.science/api/pith-number/C53BIAMP3IZKAWMZ3CSKYS7HHP/events.json","paper":"https://pith.science/paper/C53BIAMP"},"agent_actions":{"view_html":"https://pith.science/pith/C53BIAMP3IZKAWMZ3CSKYS7HHP","download_json":"https://pith.science/pith/C53BIAMP3IZKAWMZ3CSKYS7HHP.json","view_paper":"https://pith.science/paper/C53BIAMP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1203.6350&json=true","fetch_graph":"https://pith.science/api/pith-number/C53BIAMP3IZKAWMZ3CSKYS7HHP/graph.json","fetch_events":"https://pith.science/api/pith-number/C53BIAMP3IZKAWMZ3CSKYS7HHP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/C53BIAMP3IZKAWMZ3CSKYS7HHP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/C53BIAMP3IZKAWMZ3CSKYS7HHP/action/storage_attestation","attest_author":"https://pith.science/pith/C53BIAMP3IZKAWMZ3CSKYS7HHP/action/author_attestation","sign_citation":"https://pith.science/pith/C53BIAMP3IZKAWMZ3CSKYS7HHP/action/citation_signature","submit_replication":"https://pith.science/pith/C53BIAMP3IZKAWMZ3CSKYS7HHP/action/replication_record"}},"created_at":"2026-05-18T03:59:02.721140+00:00","updated_at":"2026-05-18T03:59:02.721140+00:00"}