[PDF][PDF] Variational modeling and complex fluids

MH Giga, A Kirshtein, C Liu - … of mathematical analysis in mechanics of …, 2017 - rush.edu
In this chapter, a general energetic variational framework for modeling the dynamics of
complex fluids is introduced. The approach reveals and focuses on the couplings and …

Multiphase flows of N immiscible incompressible fluids: a reduction-consistent and thermodynamically-consistent formulation and associated algorithm

S Dong - Journal of Computational Physics, 2018 - Elsevier
We present a reduction-consistent and thermodynamically consistent formulation and an
associated numerical algorithm for simulating the dynamics of an isothermal mixture …

On power law scaling dynamics for time-fractional phase field models during coarsening

J Zhao, L Chen, H Wang - … in Nonlinear Science and Numerical Simulation, 2019 - Elsevier
In this paper, the energy scaling behavior of the time-fractional phase field models is
investigated. We report a seminal observation that the effective free energy of the time …

Decoupled energy stable schemes for a phase field model of three-phase incompressible viscous fluid flow

J Zhao, H Li, Q Wang, X Yang - Journal of Scientific Computing, 2017 - Springer
We develop a numerical approximation for a hydrodynamic phase field model of three
immiscible, incompressible viscous fluid phases. The model is derived from a generalized …

Phase-field theories for mathematical modeling of biological membranes

GR Lázaro, I Pagonabarraga… - Chemistry and physics of …, 2015 - Elsevier
Biological membranes are complex structures whose mechanics are usually described at a
mesoscopic level, such as the Helfrich bending theory. In this article, we present the phase …

Gradient flows for coupling order parameters and mechanics

L Schmeller, D Peschka - SIAM Journal on Applied Mathematics, 2023 - SIAM
We construct a formal gradient flow structure for phase-field evolution coupled to mechanics
in Lagrangian coordinates, present common ways to couple the evolution, and provide an …

[HTML][HTML] Maxwell equations without a polarization field, Using a paradigm from biophysics

RS Eisenberg - Entropy, 2021 - mdpi.com
When forces are applied to matter, the distribution of mass changes. Similarly, when an
electric field is applied to matter with charge, the distribution of charge changes. The change …

[HTML][HTML] Three-phase model of visco-elastic incompressible fluid flow and its computational implementation

S Xu, M Alber, Z Xu - Communications in computational physics, 2019 - ncbi.nlm.nih.gov
Abstract Energetic Variational Approach is used to derive a novel thermodynamically
consistent three-phase model of a mixture of Newtonian and visco-elastic fluids. The model …

Simulation Method of Microscale Fluid-Structure Interactions: Diffuse-Resistance-Domain Approach

M Gao, Z Li, X Xu - arXiv preprint arXiv:2407.14291, 2024 - arxiv.org
Direct numerical simulations (DNS) of microscale fluid-structure interactions (mFSI) in
multicomponent multiphase flows pose many challenges such as the thermodynamic …

[PDF][PDF] Dynamics of multi-component flows: diffusive interface methods with energetic variational approaches

J Brannick, A Kirshtein, C Liu - … Module in Materials Science and Materials …, 2016 - rush.edu
Complex fluids are those with internal microstructures whose evolution affects the
macroscopic dynamics of the material, especially the rheology. Examples include polymer …