{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:RRAT7MMG4FDQJZIASZRREAWC34","short_pith_number":"pith:RRAT7MMG","schema_version":"1.0","canonical_sha256":"8c413fb186e14704e50096631202c2df0e9aa5416c0d41d9c899efc7956d4784","source":{"kind":"arxiv","id":"2112.15309","version":3},"attestation_state":"computed","paper":{"title":"An Interface-Driven Adaptive Variational Procedure for Fully Eulerian Fluid-Structure Interaction via Phase-field Modeling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.comp-ph","authors_text":"Biswajeet Rath, Rajeev K. Jaiman, Xiaoyu Mao","submitted_at":"2021-12-31T05:25:52Z","abstract_excerpt":"In this paper, we present a novel interface-driven adaptive variational procedure using a fully Eulerian description of fluid-structure interaction. The proposed fully-Eulerian procedure involves a fixed background unstructured mesh on which the fluid-structure interface is treated implicitly. We model the fluid-structure interaction by the phase-field finite element formulation relying on a partitioned staggered integration of the convective Allen-Cahn equation with the unified momentum equation for both solid and fluid dynamics. We employ the positivity preserving variational scheme for a bo"},"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":"2112.15309","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2021-12-31T05:25:52Z","cross_cats_sorted":[],"title_canon_sha256":"5aba5d41dbb9f9e0edf2f8c305258b0a9efb2a2a57b1c8ef8a1a0a5e7f90ebfd","abstract_canon_sha256":"f7c723fcb71b0d673f178c45bcd68f00d1f99678e0a0846c32cfa2d64b124466"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:54:26.646244Z","signature_b64":"LOsRh9iYehCo063jIyyfpwEKbT4Wxhh7SDCb2BkyW1vXk9E1yEPkwmBYGZHFLuvJm+0jTSlFCWkO8QDdLMNgCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c413fb186e14704e50096631202c2df0e9aa5416c0d41d9c899efc7956d4784","last_reissued_at":"2026-07-05T03:54:26.645797Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:54:26.645797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An Interface-Driven Adaptive Variational Procedure for Fully Eulerian Fluid-Structure Interaction via Phase-field Modeling","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.comp-ph","authors_text":"Biswajeet Rath, Rajeev K. Jaiman, Xiaoyu Mao","submitted_at":"2021-12-31T05:25:52Z","abstract_excerpt":"In this paper, we present a novel interface-driven adaptive variational procedure using a fully Eulerian description of fluid-structure interaction. The proposed fully-Eulerian procedure involves a fixed background unstructured mesh on which the fluid-structure interface is treated implicitly. We model the fluid-structure interaction by the phase-field finite element formulation relying on a partitioned staggered integration of the convective Allen-Cahn equation with the unified momentum equation for both solid and fluid dynamics. We employ the positivity preserving variational scheme for a bo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.15309","kind":"arxiv","version":3},"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/2112.15309/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":"2112.15309","created_at":"2026-07-05T03:54:26.645850+00:00"},{"alias_kind":"arxiv_version","alias_value":"2112.15309v3","created_at":"2026-07-05T03:54:26.645850+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.15309","created_at":"2026-07-05T03:54:26.645850+00:00"},{"alias_kind":"pith_short_12","alias_value":"RRAT7MMG4FDQ","created_at":"2026-07-05T03:54:26.645850+00:00"},{"alias_kind":"pith_short_16","alias_value":"RRAT7MMG4FDQJZIA","created_at":"2026-07-05T03:54:26.645850+00:00"},{"alias_kind":"pith_short_8","alias_value":"RRAT7MMG","created_at":"2026-07-05T03:54:26.645850+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/RRAT7MMG4FDQJZIASZRREAWC34","json":"https://pith.science/pith/RRAT7MMG4FDQJZIASZRREAWC34.json","graph_json":"https://pith.science/api/pith-number/RRAT7MMG4FDQJZIASZRREAWC34/graph.json","events_json":"https://pith.science/api/pith-number/RRAT7MMG4FDQJZIASZRREAWC34/events.json","paper":"https://pith.science/paper/RRAT7MMG"},"agent_actions":{"view_html":"https://pith.science/pith/RRAT7MMG4FDQJZIASZRREAWC34","download_json":"https://pith.science/pith/RRAT7MMG4FDQJZIASZRREAWC34.json","view_paper":"https://pith.science/paper/RRAT7MMG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2112.15309&json=true","fetch_graph":"https://pith.science/api/pith-number/RRAT7MMG4FDQJZIASZRREAWC34/graph.json","fetch_events":"https://pith.science/api/pith-number/RRAT7MMG4FDQJZIASZRREAWC34/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RRAT7MMG4FDQJZIASZRREAWC34/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RRAT7MMG4FDQJZIASZRREAWC34/action/storage_attestation","attest_author":"https://pith.science/pith/RRAT7MMG4FDQJZIASZRREAWC34/action/author_attestation","sign_citation":"https://pith.science/pith/RRAT7MMG4FDQJZIASZRREAWC34/action/citation_signature","submit_replication":"https://pith.science/pith/RRAT7MMG4FDQJZIASZRREAWC34/action/replication_record"}},"created_at":"2026-07-05T03:54:26.645850+00:00","updated_at":"2026-07-05T03:54:26.645850+00:00"}