The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 30, 2021

Filed:

Mar. 06, 2019
Applicant:

Dassault Systemes Simulia Corp., Johnston, RI (US);

Inventors:

Hudong Chen, Newton, MA (US);

Raoyang Zhang, Burlington, MA (US);

Yanbing Li, Westford, MA (US);

Assignee:

Dassault Systemes Simulia Corp., Johnston, RI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 30/20 (2020.01);
U.S. Cl.
CPC ...
G06F 30/20 (2020.01);
Abstract

Disclosed are techniques for performing a flow simulation that include storing in a memory state vectors for a plurality of voxels, the state vectors comprising a plurality of entries that correspond to particular momentum states of a plurality of possible momentum states at a voxel. The techniques also include storing in a memory a representation of at least one surface and performing interaction operations on the state vectors, the interaction operations modelling interactions between elements of different momentum states. The techniques also include performing surface interaction operations which model interactions between the surface and elements of at least one voxel near the surface, including modeling a wall shear stress direction that is not parallel to a flow velocity direction and performing move operations on the state vectors to reflect movement of elements to new voxels.


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