Power-law fluid flow and heat transfer in a channel with a built-in porous square cylinder: Lattice Boltzmann simulation

M Nazari, R Mohebbi, MH Kayhani - Journal of non-Newtonian fluid …, 2014 - Elsevier
The lattice Boltzmann method (LBM) has been established as an efficient technique for
solving a fluid dynamics problem in a complex porous medium. In this paper, the power-law …

Lattice Boltzmann method for population balance equations with simultaneous growth, nucleation, aggregation and breakage

A Majumder, V Kariwala, S Ansumali… - Chemical Engineering …, 2012 - Elsevier
Lattice Boltzmann method (LBM) is developed for solution of one-dimensional population
balance equations (PBEs) with simultaneous growth, nucleation, aggregation and breakage …

Harmonic oscillations of laminae in non-Newtonian fluids: a lattice Boltzmann-immersed boundary approach

A De Rosis - Advances in Water Resources, 2014 - Elsevier
In this paper, the fluid dynamics induced by a rigid lamina undergoing harmonic oscillations
in a non-Newtonian calm fluid is investigated. The fluid is modelled through the lattice …

Lattice Fokker Planck for dilute polymer dynamics

S Singh, G Subramanian, S Ansumali - Physical Review E—Statistical …, 2013 - APS
We show that the actual diffusive dynamics, governing the momentum relaxation of a
polymer molecule, and described by a Fokker-Planck equation, may be replaced by a BGK …

Flow force calculation in the lattice Boltzmann method

S Kaushal, S Succi, S Ansumali - Physical Review E, 2023 - APS
We revisit force evaluation methodologies on rigid solid particles suspended in a viscous
fluid that is simulated via the lattice Boltzmann method (LBM). We point out the …

A note on the lattice Boltzmann versus finite-difference methods for the numerical solution of the Fisher's equation

S Succi - International Journal of Modern Physics C, 2014 - World Scientific
We assess the Lattice Boltzmann (LB) method versus centered finite-difference schemes for
the solution of the advection–diffusion–reaction (ADR) Fisher's equation. It is found that the …

Direct numerical simulation of complex viscoelastic flows via fast lattice-Boltzmann solution of the Fokker–Planck equation

L Bergamasco, S Izquierdo, A Ammar - Journal of Non-Newtonian Fluid …, 2013 - Elsevier
Micro–macro simulations of polymeric solutions rely on the coupling between macroscopic
conservation equations for the fluid flow and stochastic differential equations for kinetic …

Two-fluid kinetic theory for dilute polymer solutions

S Singh, G Subramanian, S Ansumali - Physical Review E, 2022 - APS
We provide a Boltzmann-type kinetic description for dilute polymer solutions based on two-
fluid theory. This Boltzmann-type description uses a quasiequilibrium based relaxation …

Harmonic oscillations of a lamina in a viscous fluid near a solid surface: A lattice Boltzmann–immersed boundary approach

A De Rosis - Physica A: Statistical Mechanics and its Applications, 2014 - Elsevier
In this paper, a rigid thickless lamina is immersed in a quiescent viscous fluid and it
undergoes transverse finite amplitude harmonic oscillations near a solid surface. The …

[PDF][PDF] Complex flows of complex fluids-Linear instability of dilute polymer solutions and stochastic dynamics of run-and-tumble particles and bacterial suspensions

P Garg - 2023 - libjncir.jncasr.ac.in
This thesis is concerned with the theoretical study of the dynamics of two classes of complex
fluids-dilute polymer solutions (chapter 1) and active suspensions (chapter 2 and 3). In …