{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:LWQJKOPUDUQ4XHQ7UT32VFHWGT","short_pith_number":"pith:LWQJKOPU","schema_version":"1.0","canonical_sha256":"5da09539f41d21cb9e1fa4f7aa94f634c788bf43265bed4a7662c3fbf117843e","source":{"kind":"arxiv","id":"1101.2240","version":1},"attestation_state":"computed","paper":{"title":"Direct Numerical Simulation of decaying two-dimensional turbulence in a no-slip square box using Smoothed Particle Hydrodynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Joseph J. Monaghan, Martin Robinson","submitted_at":"2011-01-11T23:49:38Z","abstract_excerpt":"This paper explores the application of SPH to a Direct Numerical Simulation (DNS) of decaying turbulence in a two-dimensional no-slip wall-bounded domain. In this bounded domain, the inverse energy cascade, and a net torque exerted by the boundary, result in a spontaneous spin up of the fluid, leading to a typical end state of a large monopole vortex that fills the domain. The SPH simulations were compared against published results using a high accuracy pseudo-spectral code. Ensemble averages of the kinetic energy, enstrophy and average vortex wavenumber compared well against the pseudo-spectr"},"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":"1101.2240","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2011-01-11T23:49:38Z","cross_cats_sorted":[],"title_canon_sha256":"9385b20f556950ae8fa617214c9a2fe8091cc5c508f0c2b7e22193c4b0c78e70","abstract_canon_sha256":"138432a98b5e5c2ef01eed5614154e590b902d8ae49d324c71f220a6bf4ef09a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:22:58.533777Z","signature_b64":"f25s4AzlTu923uTOWIuZ3JJFDGC9tumPRQ0v8x38FtAiE7rfc9uzWqJnoUBXYyfyps7SuXn3T1szd9PlG7o+Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5da09539f41d21cb9e1fa4f7aa94f634c788bf43265bed4a7662c3fbf117843e","last_reissued_at":"2026-05-18T02:22:58.533279Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:22:58.533279Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct Numerical Simulation of decaying two-dimensional turbulence in a no-slip square box using Smoothed Particle Hydrodynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Joseph J. Monaghan, Martin Robinson","submitted_at":"2011-01-11T23:49:38Z","abstract_excerpt":"This paper explores the application of SPH to a Direct Numerical Simulation (DNS) of decaying turbulence in a two-dimensional no-slip wall-bounded domain. In this bounded domain, the inverse energy cascade, and a net torque exerted by the boundary, result in a spontaneous spin up of the fluid, leading to a typical end state of a large monopole vortex that fills the domain. The SPH simulations were compared against published results using a high accuracy pseudo-spectral code. Ensemble averages of the kinetic energy, enstrophy and average vortex wavenumber compared well against the pseudo-spectr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.2240","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":"1101.2240","created_at":"2026-05-18T02:22:58.533365+00:00"},{"alias_kind":"arxiv_version","alias_value":"1101.2240v1","created_at":"2026-05-18T02:22:58.533365+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.2240","created_at":"2026-05-18T02:22:58.533365+00:00"},{"alias_kind":"pith_short_12","alias_value":"LWQJKOPUDUQ4","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_16","alias_value":"LWQJKOPUDUQ4XHQ7","created_at":"2026-05-18T12:26:34.985390+00:00"},{"alias_kind":"pith_short_8","alias_value":"LWQJKOPU","created_at":"2026-05-18T12:26:34.985390+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/LWQJKOPUDUQ4XHQ7UT32VFHWGT","json":"https://pith.science/pith/LWQJKOPUDUQ4XHQ7UT32VFHWGT.json","graph_json":"https://pith.science/api/pith-number/LWQJKOPUDUQ4XHQ7UT32VFHWGT/graph.json","events_json":"https://pith.science/api/pith-number/LWQJKOPUDUQ4XHQ7UT32VFHWGT/events.json","paper":"https://pith.science/paper/LWQJKOPU"},"agent_actions":{"view_html":"https://pith.science/pith/LWQJKOPUDUQ4XHQ7UT32VFHWGT","download_json":"https://pith.science/pith/LWQJKOPUDUQ4XHQ7UT32VFHWGT.json","view_paper":"https://pith.science/paper/LWQJKOPU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1101.2240&json=true","fetch_graph":"https://pith.science/api/pith-number/LWQJKOPUDUQ4XHQ7UT32VFHWGT/graph.json","fetch_events":"https://pith.science/api/pith-number/LWQJKOPUDUQ4XHQ7UT32VFHWGT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LWQJKOPUDUQ4XHQ7UT32VFHWGT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LWQJKOPUDUQ4XHQ7UT32VFHWGT/action/storage_attestation","attest_author":"https://pith.science/pith/LWQJKOPUDUQ4XHQ7UT32VFHWGT/action/author_attestation","sign_citation":"https://pith.science/pith/LWQJKOPUDUQ4XHQ7UT32VFHWGT/action/citation_signature","submit_replication":"https://pith.science/pith/LWQJKOPUDUQ4XHQ7UT32VFHWGT/action/replication_record"}},"created_at":"2026-05-18T02:22:58.533365+00:00","updated_at":"2026-05-18T02:22:58.533365+00:00"}