{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:EPQ3ZJ5ZEUDUBBAYYHZY47CAPV","short_pith_number":"pith:EPQ3ZJ5Z","schema_version":"1.0","canonical_sha256":"23e1bca7b92507408418c1f38e7c407d4cbb931f10116d1a8f62174e6cccb0c1","source":{"kind":"arxiv","id":"2011.12336","version":1},"attestation_state":"computed","paper":{"title":"Aerodynamic characterization of low-aspect-ratio swept wings at $Re=400$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Kai Zhang, Kunihiko Taira","submitted_at":"2020-11-24T19:27:02Z","abstract_excerpt":"We perform unsteady three-dimensional direct numerical simulations to study the aerodynamic characteristics of finite-aspect-ratio swept wings with a NACA 0015 cross-section at a chord-based Reynolds number of 400. The effects of the sweep angle ($\\Lambda=0^{\\circ}-45^{\\circ}$) on the aerodynamic force coefficients are examined for finite-aspect-ratio wings ($sAR=0.5$, 1, and 2) over a wide range of angles of attack ($\\alpha=0^{\\circ}-30^{\\circ}$). The unsteady laminar separated flows exhibit complex aerodynamic characteristics with respect to these parameters. The introduction of sweep enhanc"},"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":"2011.12336","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2020-11-24T19:27:02Z","cross_cats_sorted":[],"title_canon_sha256":"40e696f07cecdebe83d91bad4784c0380be0ec53fcd3e13459a076b4df2db2dc","abstract_canon_sha256":"0024762caef38094a5323d4dcbabcdffa69e1cdc088e9444227fb23557e57480"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:54:32.908373Z","signature_b64":"tOf8KpRXTAH7MeNZbsWETMGA2iqnNVqlIGjlknzjS1zB1pfz+xI92kCm9MTOu25XddPHO51lFYt2c1JoGonOBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23e1bca7b92507408418c1f38e7c407d4cbb931f10116d1a8f62174e6cccb0c1","last_reissued_at":"2026-07-05T01:54:32.908023Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:54:32.908023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Aerodynamic characterization of low-aspect-ratio swept wings at $Re=400$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Kai Zhang, Kunihiko Taira","submitted_at":"2020-11-24T19:27:02Z","abstract_excerpt":"We perform unsteady three-dimensional direct numerical simulations to study the aerodynamic characteristics of finite-aspect-ratio swept wings with a NACA 0015 cross-section at a chord-based Reynolds number of 400. The effects of the sweep angle ($\\Lambda=0^{\\circ}-45^{\\circ}$) on the aerodynamic force coefficients are examined for finite-aspect-ratio wings ($sAR=0.5$, 1, and 2) over a wide range of angles of attack ($\\alpha=0^{\\circ}-30^{\\circ}$). The unsteady laminar separated flows exhibit complex aerodynamic characteristics with respect to these parameters. The introduction of sweep enhanc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.12336","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2011.12336/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2011.12336","created_at":"2026-07-05T01:54:32.908077+00:00"},{"alias_kind":"arxiv_version","alias_value":"2011.12336v1","created_at":"2026-07-05T01:54:32.908077+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.12336","created_at":"2026-07-05T01:54:32.908077+00:00"},{"alias_kind":"pith_short_12","alias_value":"EPQ3ZJ5ZEUDU","created_at":"2026-07-05T01:54:32.908077+00:00"},{"alias_kind":"pith_short_16","alias_value":"EPQ3ZJ5ZEUDUBBAY","created_at":"2026-07-05T01:54:32.908077+00:00"},{"alias_kind":"pith_short_8","alias_value":"EPQ3ZJ5Z","created_at":"2026-07-05T01:54:32.908077+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/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV","json":"https://pith.science/pith/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV.json","graph_json":"https://pith.science/api/pith-number/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV/graph.json","events_json":"https://pith.science/api/pith-number/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV/events.json","paper":"https://pith.science/paper/EPQ3ZJ5Z"},"agent_actions":{"view_html":"https://pith.science/pith/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV","download_json":"https://pith.science/pith/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV.json","view_paper":"https://pith.science/paper/EPQ3ZJ5Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2011.12336&json=true","fetch_graph":"https://pith.science/api/pith-number/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV/graph.json","fetch_events":"https://pith.science/api/pith-number/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV/action/storage_attestation","attest_author":"https://pith.science/pith/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV/action/author_attestation","sign_citation":"https://pith.science/pith/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV/action/citation_signature","submit_replication":"https://pith.science/pith/EPQ3ZJ5ZEUDUBBAYYHZY47CAPV/action/replication_record"}},"created_at":"2026-07-05T01:54:32.908077+00:00","updated_at":"2026-07-05T01:54:32.908077+00:00"}