{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:TV2BQS57DNHMQQ3ENVTT6IVJQR","short_pith_number":"pith:TV2BQS57","schema_version":"1.0","canonical_sha256":"9d74184bbf1b4ec843646d673f22a9845c18cd466ec53fc105ee15ea0f2bafaa","source":{"kind":"arxiv","id":"1803.03374","version":1},"attestation_state":"computed","paper":{"title":"A Consistent Spatially Adaptive Smoothed Particle Hydrodynamics Method for Fluid-Structure Interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Dan Negrut, Guannan Guo, Wei Hu, Wenxiao Pan, Xiaozhe Hu, Zhijie Xu","submitted_at":"2018-03-09T03:47:21Z","abstract_excerpt":"A new consistent, spatially adaptive, smoothed particle hydrodynamics (SPH) method for Fluid-Structure Interactions (FSI) is presented. The method combines several attributes that have not been simultaneously satisfied by other SPH methods. Specifically, it is second-order convergent; it allows for resolutions spatially adapted with moving (translating and rotating) boundaries of arbitrary geometries; and, it accelerates the FSI solution as the adaptive approach leads to fewer degrees of freedom without sacrificing accuracy. The key ingredients in the method are a consistent discretization of "},"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":"1803.03374","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-03-09T03:47:21Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"ef4662f83f880dce07faf9bc5f9470e4dc9017082ee69d658772c6fae0329654","abstract_canon_sha256":"0b26a67d568db3d16d1d150c2910bfc54f37385f211356ea0ebf33812e0654af"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:31.497083Z","signature_b64":"5OW+pixoWQiMgtlkiEPymINnqnwGXaQnvssT7yUuLmVy2yL9hv2gED3R2XXySzYO9qUOpZ7r2pCuYMZg2eBCBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d74184bbf1b4ec843646d673f22a9845c18cd466ec53fc105ee15ea0f2bafaa","last_reissued_at":"2026-05-17T23:53:31.496568Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:31.496568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Consistent Spatially Adaptive Smoothed Particle Hydrodynamics Method for Fluid-Structure Interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Dan Negrut, Guannan Guo, Wei Hu, Wenxiao Pan, Xiaozhe Hu, Zhijie Xu","submitted_at":"2018-03-09T03:47:21Z","abstract_excerpt":"A new consistent, spatially adaptive, smoothed particle hydrodynamics (SPH) method for Fluid-Structure Interactions (FSI) is presented. The method combines several attributes that have not been simultaneously satisfied by other SPH methods. Specifically, it is second-order convergent; it allows for resolutions spatially adapted with moving (translating and rotating) boundaries of arbitrary geometries; and, it accelerates the FSI solution as the adaptive approach leads to fewer degrees of freedom without sacrificing accuracy. The key ingredients in the method are a consistent discretization of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.03374","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":"1803.03374","created_at":"2026-05-17T23:53:31.496655+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.03374v1","created_at":"2026-05-17T23:53:31.496655+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.03374","created_at":"2026-05-17T23:53:31.496655+00:00"},{"alias_kind":"pith_short_12","alias_value":"TV2BQS57DNHM","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"TV2BQS57DNHMQQ3E","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"TV2BQS57","created_at":"2026-05-18T12:32:56.356000+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/TV2BQS57DNHMQQ3ENVTT6IVJQR","json":"https://pith.science/pith/TV2BQS57DNHMQQ3ENVTT6IVJQR.json","graph_json":"https://pith.science/api/pith-number/TV2BQS57DNHMQQ3ENVTT6IVJQR/graph.json","events_json":"https://pith.science/api/pith-number/TV2BQS57DNHMQQ3ENVTT6IVJQR/events.json","paper":"https://pith.science/paper/TV2BQS57"},"agent_actions":{"view_html":"https://pith.science/pith/TV2BQS57DNHMQQ3ENVTT6IVJQR","download_json":"https://pith.science/pith/TV2BQS57DNHMQQ3ENVTT6IVJQR.json","view_paper":"https://pith.science/paper/TV2BQS57","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.03374&json=true","fetch_graph":"https://pith.science/api/pith-number/TV2BQS57DNHMQQ3ENVTT6IVJQR/graph.json","fetch_events":"https://pith.science/api/pith-number/TV2BQS57DNHMQQ3ENVTT6IVJQR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TV2BQS57DNHMQQ3ENVTT6IVJQR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TV2BQS57DNHMQQ3ENVTT6IVJQR/action/storage_attestation","attest_author":"https://pith.science/pith/TV2BQS57DNHMQQ3ENVTT6IVJQR/action/author_attestation","sign_citation":"https://pith.science/pith/TV2BQS57DNHMQQ3ENVTT6IVJQR/action/citation_signature","submit_replication":"https://pith.science/pith/TV2BQS57DNHMQQ3ENVTT6IVJQR/action/replication_record"}},"created_at":"2026-05-17T23:53:31.496655+00:00","updated_at":"2026-05-17T23:53:31.496655+00:00"}