{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:6XYW5RV4GABZS27GPB444FZCXO","short_pith_number":"pith:6XYW5RV4","schema_version":"1.0","canonical_sha256":"f5f16ec6bc3003996be67879ce1722bb946806cb32a4c0a30605375112446480","source":{"kind":"arxiv","id":"1802.01993","version":2},"attestation_state":"computed","paper":{"title":"Elastoviscoplastic flow in porous media","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"D. Izbassarov, F. De Vita, L. Brandt, L. Duffo, M. E. Rosti, O. Tammisola, S. Hormozi","submitted_at":"2018-02-06T15:12:36Z","abstract_excerpt":"We investigate the elastoviscoplastic flow through porous media by numerical simulations. We solve the Navier-Stokes equations combined with the elastoviscoplastic model proposed by Saramito for the stress tensor evolution. In this model, the material behaves as a viscoelastic solid when unyielded, and as a viscoelastic Oldroyd-B fluid for stresses higher than the yield stress. The porous media is made of a symmetric array of cylinders, and we solve the flow in one periodic cell. We find that the solution is time-dependent even at low Reynolds numbers as we observe oscillations in time of the "},"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":"1802.01993","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-02-06T15:12:36Z","cross_cats_sorted":[],"title_canon_sha256":"0f31f735b67b95dfae5a38816eb0c10c55d8a3b8ddec757a7f00cc553dc4e7d2","abstract_canon_sha256":"c8f1de72e26aabd506481032f33dace7295bf7b22dbf8bac92f2c7a7e965ce16"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:40.944818Z","signature_b64":"QSi3Cw8A7mYBSN68XNpGkPwrpGuGQU2kavFJgyrv2mB6Gi2oJXRysyP1KjcyGk3dRNPmbLYnD5dRpXGsXawYDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5f16ec6bc3003996be67879ce1722bb946806cb32a4c0a30605375112446480","last_reissued_at":"2026-05-18T00:18:40.944285Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:40.944285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Elastoviscoplastic flow in porous media","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"D. Izbassarov, F. De Vita, L. Brandt, L. Duffo, M. E. Rosti, O. Tammisola, S. Hormozi","submitted_at":"2018-02-06T15:12:36Z","abstract_excerpt":"We investigate the elastoviscoplastic flow through porous media by numerical simulations. We solve the Navier-Stokes equations combined with the elastoviscoplastic model proposed by Saramito for the stress tensor evolution. In this model, the material behaves as a viscoelastic solid when unyielded, and as a viscoelastic Oldroyd-B fluid for stresses higher than the yield stress. The porous media is made of a symmetric array of cylinders, and we solve the flow in one periodic cell. We find that the solution is time-dependent even at low Reynolds numbers as we observe oscillations in time of the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.01993","kind":"arxiv","version":2},"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":"1802.01993","created_at":"2026-05-18T00:18:40.944378+00:00"},{"alias_kind":"arxiv_version","alias_value":"1802.01993v2","created_at":"2026-05-18T00:18:40.944378+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.01993","created_at":"2026-05-18T00:18:40.944378+00:00"},{"alias_kind":"pith_short_12","alias_value":"6XYW5RV4GABZ","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_16","alias_value":"6XYW5RV4GABZS27G","created_at":"2026-05-18T12:32:11.075285+00:00"},{"alias_kind":"pith_short_8","alias_value":"6XYW5RV4","created_at":"2026-05-18T12:32:11.075285+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/6XYW5RV4GABZS27GPB444FZCXO","json":"https://pith.science/pith/6XYW5RV4GABZS27GPB444FZCXO.json","graph_json":"https://pith.science/api/pith-number/6XYW5RV4GABZS27GPB444FZCXO/graph.json","events_json":"https://pith.science/api/pith-number/6XYW5RV4GABZS27GPB444FZCXO/events.json","paper":"https://pith.science/paper/6XYW5RV4"},"agent_actions":{"view_html":"https://pith.science/pith/6XYW5RV4GABZS27GPB444FZCXO","download_json":"https://pith.science/pith/6XYW5RV4GABZS27GPB444FZCXO.json","view_paper":"https://pith.science/paper/6XYW5RV4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1802.01993&json=true","fetch_graph":"https://pith.science/api/pith-number/6XYW5RV4GABZS27GPB444FZCXO/graph.json","fetch_events":"https://pith.science/api/pith-number/6XYW5RV4GABZS27GPB444FZCXO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6XYW5RV4GABZS27GPB444FZCXO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6XYW5RV4GABZS27GPB444FZCXO/action/storage_attestation","attest_author":"https://pith.science/pith/6XYW5RV4GABZS27GPB444FZCXO/action/author_attestation","sign_citation":"https://pith.science/pith/6XYW5RV4GABZS27GPB444FZCXO/action/citation_signature","submit_replication":"https://pith.science/pith/6XYW5RV4GABZS27GPB444FZCXO/action/replication_record"}},"created_at":"2026-05-18T00:18:40.944378+00:00","updated_at":"2026-05-18T00:18:40.944378+00:00"}