{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"cc133dbec4afb858a6c39b4c025e7ef3034b3dfce41e194a4b864bdde94eef50","created":"2026-10-03T07:17:50Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"a2a1a4ab0c9d1e54ee90f26c60177e7ce3d340046509497a742d94bb2cff0506","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"bio.granular-rheology","field":"bio","n":"1","review_cite":"Y. Forterre and O. Pouliquen, Flows of dense granular media, Annual Review of Fluid Mechanics, 2008","review_link":"https://doi.org/10.1146/annurev.fluid.40.111406.102142","review_verified":"true","summary":"Sand, grain, powders and dense particle suspensions can flow like a liquid or hold weight like a solid. No single set of equations yet describes their flow in all situations the way the Navier-Stokes equations describe water.","title":"Constitutive laws for dense granular flows and suspensions","topic_ref":null,"why":"Granular and suspension flows govern landslides, avalanches, silos, concrete and powder processing, and errors in their modelling cause industrial and geophysical failures."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"ed3f93b43bbd83eba41e4cf73d3470ba3da603db0979939bf3fb8e305f26445f","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"dfbe030fd8fae21ddf172f215bf51579e0fe78a5c00b19df42210feb993770e1","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"dWVF4iq9K0UZnoGC8JIbZlS8A4pqShFWYFNCQaN6KP-hUTUqE75z5c0kafNtpwyvBhonJGhWLnBbjzSdFiBLAg"},"schema":"pubphys.envelope/1"},"record_hash":"ed3f93b43bbd83eba41e4cf73d3470ba3da603db0979939bf3fb8e305f26445f","leaf_index":92}