{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:ON22XZ325FQNATMO2UINMLSDUJ","short_pith_number":"pith:ON22XZ32","schema_version":"1.0","canonical_sha256":"7375abe77ae960d04d8ed510d62e43a25e9bc9eece6919c30dd36f0fe0ebb9ca","source":{"kind":"arxiv","id":"1905.01341","version":1},"attestation_state":"computed","paper":{"title":"GPU accelerated fast multipole boundary element method for simulation of 3D bubble dynamics in potential flow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.comp-ph","authors_text":"Iskander S. Akhatov, Nail A. Gumerov, Olga A. Abramova, Yulia A. Pityuk","submitted_at":"2019-05-03T18:46:08Z","abstract_excerpt":"A numerical method for simulation of bubble dynamics in three-dimensional potential flows is presented. The approach is based on the boundary element method for the Laplace equation accelerated via the fast multipole method implemented on a heterogeneous CPU/GPU architecture. For mesh stabilization, a new smoothing technique using a surface filter is presented. This technique relies on spherical harmonics expansion of surface functions for bubbles topologically equivalent to a sphere (or Fourier series for toroidal bubbles). The method is validated by comparisons with solutions available in th"},"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":"1905.01341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-05-03T18:46:08Z","cross_cats_sorted":[],"title_canon_sha256":"523b61b611d565f7849b86b4cfa960f803ce72dd43f9dae7e858cef03363c069","abstract_canon_sha256":"8c119c2e3af60f587e46221e13e5c07f5b21578d4052fb092de2978323000685"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:00.979518Z","signature_b64":"9Q4iZMmM/TvbVsum4lg/GHvl9cJelvIIGX8KgXezXtEU+u9q2A78yzuO8UXXUJ+Q+8boHM45BBIS/ohnfjOnBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7375abe77ae960d04d8ed510d62e43a25e9bc9eece6919c30dd36f0fe0ebb9ca","last_reissued_at":"2026-05-17T23:47:00.978963Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:00.978963Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"GPU accelerated fast multipole boundary element method for simulation of 3D bubble dynamics in potential flow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.comp-ph","authors_text":"Iskander S. Akhatov, Nail A. Gumerov, Olga A. Abramova, Yulia A. Pityuk","submitted_at":"2019-05-03T18:46:08Z","abstract_excerpt":"A numerical method for simulation of bubble dynamics in three-dimensional potential flows is presented. The approach is based on the boundary element method for the Laplace equation accelerated via the fast multipole method implemented on a heterogeneous CPU/GPU architecture. For mesh stabilization, a new smoothing technique using a surface filter is presented. This technique relies on spherical harmonics expansion of surface functions for bubbles topologically equivalent to a sphere (or Fourier series for toroidal bubbles). The method is validated by comparisons with solutions available in th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.01341","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":"1905.01341","created_at":"2026-05-17T23:47:00.979063+00:00"},{"alias_kind":"arxiv_version","alias_value":"1905.01341v1","created_at":"2026-05-17T23:47:00.979063+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.01341","created_at":"2026-05-17T23:47:00.979063+00:00"},{"alias_kind":"pith_short_12","alias_value":"ON22XZ325FQN","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"ON22XZ325FQNATMO","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"ON22XZ32","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/ON22XZ325FQNATMO2UINMLSDUJ","json":"https://pith.science/pith/ON22XZ325FQNATMO2UINMLSDUJ.json","graph_json":"https://pith.science/api/pith-number/ON22XZ325FQNATMO2UINMLSDUJ/graph.json","events_json":"https://pith.science/api/pith-number/ON22XZ325FQNATMO2UINMLSDUJ/events.json","paper":"https://pith.science/paper/ON22XZ32"},"agent_actions":{"view_html":"https://pith.science/pith/ON22XZ325FQNATMO2UINMLSDUJ","download_json":"https://pith.science/pith/ON22XZ325FQNATMO2UINMLSDUJ.json","view_paper":"https://pith.science/paper/ON22XZ32","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1905.01341&json=true","fetch_graph":"https://pith.science/api/pith-number/ON22XZ325FQNATMO2UINMLSDUJ/graph.json","fetch_events":"https://pith.science/api/pith-number/ON22XZ325FQNATMO2UINMLSDUJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ON22XZ325FQNATMO2UINMLSDUJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ON22XZ325FQNATMO2UINMLSDUJ/action/storage_attestation","attest_author":"https://pith.science/pith/ON22XZ325FQNATMO2UINMLSDUJ/action/author_attestation","sign_citation":"https://pith.science/pith/ON22XZ325FQNATMO2UINMLSDUJ/action/citation_signature","submit_replication":"https://pith.science/pith/ON22XZ325FQNATMO2UINMLSDUJ/action/replication_record"}},"created_at":"2026-05-17T23:47:00.979063+00:00","updated_at":"2026-05-17T23:47:00.979063+00:00"}