{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:N75NZX37RJRREMDBPCUEOWFSRU","short_pith_number":"pith:N75NZX37","schema_version":"1.0","canonical_sha256":"6ffadcdf7f8a6312306178a84758b28d311a48ab764cbd4033ac00086a1f93b0","source":{"kind":"arxiv","id":"1903.08167","version":1},"attestation_state":"computed","paper":{"title":"Rotation matters - Direct numerical simulations of rectangular particles in suspensions at low to intermediate solid fraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.comp-ph","authors_text":"Jenny Suckale, Kali Alison, Zhipeng Qin","submitted_at":"2019-03-19T17:50:49Z","abstract_excerpt":"Our ability to numerically model and understand the complex flow behavior of solid-bearing suspensions has increased significantly over the last couple of years, partly due to direct numerical simulations that compute flow around individual interfaces and hence resolve unprecedented detail. While most previous studies focus on spherical particles, we develop a direct numerical approach to capture rectangular particles. Our approach uses distributed Lagrange multipliers to enforce rigid-body motion in the solid domain in combination with an immersed boundary method to correctly enforce the no-s"},"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":"1903.08167","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-03-19T17:50:49Z","cross_cats_sorted":[],"title_canon_sha256":"a3abc4bdb4bdae74c5980a729f4a704ff1ad5968374fb8c5d00397f32aef8693","abstract_canon_sha256":"e524b9daeeee069fa9edf3cf3397da27d601a88ae21eddbe61d9968fa5268f06"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:50.207609Z","signature_b64":"1xbQiqAxBadHLNV216MN+ohwpC0ZJwFZs6ATwAgtamEc7hyu+Rq3CxE8nEQxxm2dAiTDCChW7cpHiEkPllPdDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ffadcdf7f8a6312306178a84758b28d311a48ab764cbd4033ac00086a1f93b0","last_reissued_at":"2026-05-17T23:50:50.206840Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:50.206840Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Rotation matters - Direct numerical simulations of rectangular particles in suspensions at low to intermediate solid fraction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.comp-ph","authors_text":"Jenny Suckale, Kali Alison, Zhipeng Qin","submitted_at":"2019-03-19T17:50:49Z","abstract_excerpt":"Our ability to numerically model and understand the complex flow behavior of solid-bearing suspensions has increased significantly over the last couple of years, partly due to direct numerical simulations that compute flow around individual interfaces and hence resolve unprecedented detail. While most previous studies focus on spherical particles, we develop a direct numerical approach to capture rectangular particles. Our approach uses distributed Lagrange multipliers to enforce rigid-body motion in the solid domain in combination with an immersed boundary method to correctly enforce the no-s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.08167","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":"1903.08167","created_at":"2026-05-17T23:50:50.206978+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.08167v1","created_at":"2026-05-17T23:50:50.206978+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.08167","created_at":"2026-05-17T23:50:50.206978+00:00"},{"alias_kind":"pith_short_12","alias_value":"N75NZX37RJRR","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"N75NZX37RJRREMDB","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"N75NZX37","created_at":"2026-05-18T12:33:24.271573+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/N75NZX37RJRREMDBPCUEOWFSRU","json":"https://pith.science/pith/N75NZX37RJRREMDBPCUEOWFSRU.json","graph_json":"https://pith.science/api/pith-number/N75NZX37RJRREMDBPCUEOWFSRU/graph.json","events_json":"https://pith.science/api/pith-number/N75NZX37RJRREMDBPCUEOWFSRU/events.json","paper":"https://pith.science/paper/N75NZX37"},"agent_actions":{"view_html":"https://pith.science/pith/N75NZX37RJRREMDBPCUEOWFSRU","download_json":"https://pith.science/pith/N75NZX37RJRREMDBPCUEOWFSRU.json","view_paper":"https://pith.science/paper/N75NZX37","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.08167&json=true","fetch_graph":"https://pith.science/api/pith-number/N75NZX37RJRREMDBPCUEOWFSRU/graph.json","fetch_events":"https://pith.science/api/pith-number/N75NZX37RJRREMDBPCUEOWFSRU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/N75NZX37RJRREMDBPCUEOWFSRU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/N75NZX37RJRREMDBPCUEOWFSRU/action/storage_attestation","attest_author":"https://pith.science/pith/N75NZX37RJRREMDBPCUEOWFSRU/action/author_attestation","sign_citation":"https://pith.science/pith/N75NZX37RJRREMDBPCUEOWFSRU/action/citation_signature","submit_replication":"https://pith.science/pith/N75NZX37RJRREMDBPCUEOWFSRU/action/replication_record"}},"created_at":"2026-05-17T23:50:50.206978+00:00","updated_at":"2026-05-17T23:50:50.206978+00:00"}