Spatiotemporal linear stability of viscoelastic Saffman–Taylor flows
The temporal and spatiotemporal linear stability analyses of a displaced Oldroyd-B fluid with
the mean flow in a horizontally aligned, square, Hele–Shaw cell are reported to identify the …
the mean flow in a horizontally aligned, square, Hele–Shaw cell are reported to identify the …
Rheodynamics of viscoelastic subdiffusive channel flows: Low Weissenberg number regime
Direct numerical simulations of viscoelastic, subdiffusive, and plane Poiseuille flow,
representing thick polymer solutions including polymer melts, flows of liquid crystals, as well …
representing thick polymer solutions including polymer melts, flows of liquid crystals, as well …
Spatiotemporal linear stability of viscoelastic free shear flows: Nonaffine response regime
We provide a detailed comparison of the two-dimensional, temporal, and spatiotemporal
linearized analyses of the viscoelastic free shear flows (inhomogeneous flows with mean …
linearized analyses of the viscoelastic free shear flows (inhomogeneous flows with mean …
Spatiotemporal linear stability of viscoelastic free shear flows: Dilute regime
We report the temporal and spatiotemporal stability analyses of antisymmetric, free shear,
viscoelastic flows obeying the Oldroyd-B constitutive equation in the limit of low to moderate …
viscoelastic flows obeying the Oldroyd-B constitutive equation in the limit of low to moderate …
Implicit-explicit-compact methods for advection diffusion reaction equations
We provide a comparison of the dispersion properties, specifically the time-amplification
factor, the scaled group velocity, the error in the phase speed and scaled numerical diffusion …
factor, the scaled group velocity, the error in the phase speed and scaled numerical diffusion …
Spatiotemporal linear stability of viscoelastic subdiffusive channel flows: a fractional calculus framework
The temporal and spatiotemporal linear stability analyses of viscoelastic, subdiffusive, plane
Poiseuille flow obeying the Fractional Upper Convected Maxwell (FUCM) equation in the …
Poiseuille flow obeying the Fractional Upper Convected Maxwell (FUCM) equation in the …
Quantifying macrostructures in viscoelastic sub-diffusive flows
We present a theory to quantify the formation of spatiotemporal macrostructures (or the non-
homogeneous regions of high viscosity at moderate to high fluid inertia) for viscoelastic sub …
homogeneous regions of high viscosity at moderate to high fluid inertia) for viscoelastic sub …
Elastoinertial stability analysis and structure formation in viscoelastic subdiffusive pipe flow
The modal temporal stability analysis of viscoelastic, subdiffusive, pressure driven,
axisymmetric pipe flow, representing thick polymer solutions, exhibits the presence of …
axisymmetric pipe flow, representing thick polymer solutions, exhibits the presence of …
Ion mediated crosslink driven mucous swelling kinetics
S Sircar, AJ Roberts - arXiv preprint arXiv:1501.05003, 2015 - arxiv.org
We present an experimentally guided, multi-phasic, multi-species ionic gel model to
compare and make qualitative predictions on the rheology of mucus of healthy individuals …
compare and make qualitative predictions on the rheology of mucus of healthy individuals …
Implicit-explicit time integration method for fractional advection-reaction-diffusion equations
We propose a novel family of asymptotically stable, implicit-explicit, adaptive, time
integration method (denoted with the $\theta $-method) for the solution of the fractional …
integration method (denoted with the $\theta $-method) for the solution of the fractional …