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New methods for microscale multiphase flows: application to separation processes

Grant number: 15/02649-0
Support type:Regular Research Grants
Duration: September 01, 2015 - August 31, 2017
Field of knowledge:Engineering - Mechanical Engineering
Principal Investigator:Fabrício Simeoni de Sousa
Grantee:Fabrício Simeoni de Sousa
Home Institution: Instituto de Ciências Matemáticas e de Computação (ICMC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Assoc. researchers:Cassio Machiaveli Oishi ; Gustavo Carlos Buscaglia ; Roberto Federico Ausas


This research proposal covers the study and development of new finite element methods for dynamic meshes, with the objective of simulating multiphase flows with free boundaries, specially in the presence of a dense-packed layer of many droplets. Such flows are important in applications in the oil industry, more specifically when modeling phase separation devices (for instance water and oil). In this type o flow, effects happening in the sub-millimeter scale are of great importance, and up to now, available numerical methods fail to properly resolve these phenomena. The equations modeling the multiphase flows will be treated in an arbitrary Lagrangian-Eulerian framework, where suitable boundary conditions will be applied at the free boundaries separating different fluids. Some of the numerical challenges involved are the correct representation of the interface in the moving mesh framework, the geometry and topology maintenance of the dynamic mesh, and those coming from the correct modeling of microscale phenomena, such as droplet coalescence. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GUIRALDELLO, RAFAEL T.; AUSAS, ROBERTO F.; SOUSA, FABRICIO S.; PEREIRA, FELIPE; BUSCAGLIA, GUSTAVO C. Interface spaces for the Multiscale Robin Coupled Method in reservoir simulation. MATHEMATICS AND COMPUTERS IN SIMULATION, v. 164, n. SI, p. 103-119, OCT 2019. Web of Science Citations: 0.
CORREA, L.; MOMPEAN, G.; KUROKAWA, F. A.; SOUSA, F. S. Temporal large-eddy simulations of the lid-driven cavity by finite volume method. Journal of the Brazilian Society of Mechanical Sciences and Engineering, v. 40, n. 9 SEP 2018. Web of Science Citations: 0.
GUIRALDELLO, RAFAEL T.; AUSAS, ROBERTO F.; SOUSA, FABRICIO S.; PEREIRA, FELIPE; BUSCAGLIA, GUSTAVO C. The Multiscale Robin Coupled Method for flows in porous media. Journal of Computational Physics, v. 355, p. 1-21, FEB 15 2018. Web of Science Citations: 4.

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