{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:QWLCX7LBKGRLZJILIIQ6VVWBQX","short_pith_number":"pith:QWLCX7LB","schema_version":"1.0","canonical_sha256":"85962bfd6151a2bca50b4221ead6c185fe96c6b3144ae8a1972db7fe1f36a5fc","source":{"kind":"arxiv","id":"2404.18390","version":1},"attestation_state":"computed","paper":{"title":"Critical grid method: An extensible Smoothed Particle Hydrodynamics fluid general interpolation method for Fluid-Structure Interaction surface coupling based on preCICE","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["cs.NA"],"primary_cat":"math.NA","authors_text":"Canqun Yang, Sifan Long, Xiaokang Fan, Xiaowei Guo","submitted_at":"2024-04-29T03:04:37Z","abstract_excerpt":"Solving Fluid-Structure Interaction (FSI) problems using traditional methods is a big challenge in the field of numerical simulation. As a powerful multi-physical field coupled library, preCICE has a bright application prospect for solving FSI, which supports many open/closed source software and commercial CFD solvers to solve FSI problems in the form of a black box. However, this library currently only supports mesh-based coupling schemes. This paper proposes a critical grid (mesh) as an intermediate medium for the particle method to connect a bidirectional coupling tool named preCICE. The pa"},"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":"2404.18390","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"math.NA","submitted_at":"2024-04-29T03:04:37Z","cross_cats_sorted":["cs.NA"],"title_canon_sha256":"94d3e631534be8e69c435a061783ab5114da923d5403282ba55717e42e138e2a","abstract_canon_sha256":"04bb10c81f8293cc543db4843e4948ee1639e40aef843abc42ccd6cd1d8e2e25"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:13:15.467997Z","signature_b64":"71Q8PHQu1RILc8CipP2QndOaVPAMDGZQUDr1rPDdwnLs+sX9xsPX0tSFU/1mHY+eH4sj+lSBYvo6Pzg6Oq95Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85962bfd6151a2bca50b4221ead6c185fe96c6b3144ae8a1972db7fe1f36a5fc","last_reissued_at":"2026-07-05T08:13:15.467573Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:13:15.467573Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Critical grid method: An extensible Smoothed Particle Hydrodynamics fluid general interpolation method for Fluid-Structure Interaction surface coupling based on preCICE","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["cs.NA"],"primary_cat":"math.NA","authors_text":"Canqun Yang, Sifan Long, Xiaokang Fan, Xiaowei Guo","submitted_at":"2024-04-29T03:04:37Z","abstract_excerpt":"Solving Fluid-Structure Interaction (FSI) problems using traditional methods is a big challenge in the field of numerical simulation. As a powerful multi-physical field coupled library, preCICE has a bright application prospect for solving FSI, which supports many open/closed source software and commercial CFD solvers to solve FSI problems in the form of a black box. However, this library currently only supports mesh-based coupling schemes. This paper proposes a critical grid (mesh) as an intermediate medium for the particle method to connect a bidirectional coupling tool named preCICE. The pa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.18390","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/2404.18390/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":"2404.18390","created_at":"2026-07-05T08:13:15.467641+00:00"},{"alias_kind":"arxiv_version","alias_value":"2404.18390v1","created_at":"2026-07-05T08:13:15.467641+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.18390","created_at":"2026-07-05T08:13:15.467641+00:00"},{"alias_kind":"pith_short_12","alias_value":"QWLCX7LBKGRL","created_at":"2026-07-05T08:13:15.467641+00:00"},{"alias_kind":"pith_short_16","alias_value":"QWLCX7LBKGRLZJIL","created_at":"2026-07-05T08:13:15.467641+00:00"},{"alias_kind":"pith_short_8","alias_value":"QWLCX7LB","created_at":"2026-07-05T08:13:15.467641+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/QWLCX7LBKGRLZJILIIQ6VVWBQX","json":"https://pith.science/pith/QWLCX7LBKGRLZJILIIQ6VVWBQX.json","graph_json":"https://pith.science/api/pith-number/QWLCX7LBKGRLZJILIIQ6VVWBQX/graph.json","events_json":"https://pith.science/api/pith-number/QWLCX7LBKGRLZJILIIQ6VVWBQX/events.json","paper":"https://pith.science/paper/QWLCX7LB"},"agent_actions":{"view_html":"https://pith.science/pith/QWLCX7LBKGRLZJILIIQ6VVWBQX","download_json":"https://pith.science/pith/QWLCX7LBKGRLZJILIIQ6VVWBQX.json","view_paper":"https://pith.science/paper/QWLCX7LB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2404.18390&json=true","fetch_graph":"https://pith.science/api/pith-number/QWLCX7LBKGRLZJILIIQ6VVWBQX/graph.json","fetch_events":"https://pith.science/api/pith-number/QWLCX7LBKGRLZJILIIQ6VVWBQX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QWLCX7LBKGRLZJILIIQ6VVWBQX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QWLCX7LBKGRLZJILIIQ6VVWBQX/action/storage_attestation","attest_author":"https://pith.science/pith/QWLCX7LBKGRLZJILIIQ6VVWBQX/action/author_attestation","sign_citation":"https://pith.science/pith/QWLCX7LBKGRLZJILIIQ6VVWBQX/action/citation_signature","submit_replication":"https://pith.science/pith/QWLCX7LBKGRLZJILIIQ6VVWBQX/action/replication_record"}},"created_at":"2026-07-05T08:13:15.467641+00:00","updated_at":"2026-07-05T08:13:15.467641+00:00"}