Gabriel Ricardo Güntensperger Sousa

Conference Abstract · 2026 · II Rio de Janeiro Fluid Mechanics Symposium (Rio Fluids 2026)

Numerical Investigation of Moving Boundary Flows Using a Semi-Lagrangian/ALE Framework

G. R. G. Sousa; G. R. Anjos

Rio de Janeiro, Brazil

Keywords: progression, article, abstract, Semi-Lagrangian method, ALE framework, Moving boundaries, High-CFL stability, Fluid-structure interaction

The numerical simulation of fluid flows involving moving boundaries and high convective flows remains a significant challenge in Computational Fluid Dynamics (CFD). This work presents a numerical study of single-phase...

Conference Abstract · 2025 · Rio de Janeiro Fluid Mechanics Symposium (Rio Fluids 2025)

Numerical Investigation and Comparison of Bubble Approximation and Coalescence in Two-Phase Flows

G. R. G. Sousa; A. E. M. Santos; G. R. Anjos

Niteroi, Brazil

Keywords: progression, article, abstract, Coalescence, Finite element method, Computational Fluid Dynamics, Multiphase Flows

The coalescence of bubbles and droplets has an important role in many industrial processes such as petroleum refining, heat exchangers of nuclear reactors, and even in food and beverage production, where multiphase flows...

Conference Abstract · 2025 · 8th Multiphase Flows Journey (JEM 2025)

Numerical Investigation and Comparison of Bubble Approximation and Coalescence in Two-Phase Flows

G. R. G. Sousa; A. E. M. Santos; G. R. Anjos

Sao Carlos, Brazil

Keywords: article, abstract

Conference Abstract · 2025 · International Workshop on Numerical Methods in Non-Newtonian Flows (IWNMNNF)

High-Order Finite Element Method for Non-Newtonian Two-Phase Flows with Moving Interfaces

G. R. Anjos; D. B. V. Santos; G. R. G. Sousa; F. Gaspar Junior; A. E. M. Santos

Buzios, Brazil

Keywords: progression, article, abstract

The present work builds upon a computational framework originally developed for Newtonian fluid simulations and subsequently extended to model non-Newtonian two-phase flows with complex interface dynamics. This flexible...

Conference Abstract · 2025 · 23rd IACM Computational Fluids Conference (CFC 2025)

Approximation and Coalescence of Multiples Bubbles in Two-Phase Flows

G. R. Anjos; D. B. V. Santos; G. R. G. Sousa; A. E. M. Santos

Santiago, Chile

Keywords: progression, article, abstract

The present work aims at developing a new flexible computational framework based on modern programming language to simulate macro and microscale two-phase flows with complex interface dynamics to investigate...