Non-negative Martingale solutions to the stochastic thin-film equation with nonlinear gradient noise

K Dareiotis, B Gess, MV Gnann, G Grün - Archive for Rational Mechanics …, 2021 - Springer
We prove the existence of non-negative martingale solutions to a class of stochastic
degenerate-parabolic fourth-order PDEs arising in surface-tension driven thin-film flow …

Existence of nonnegative solutions to stochastic thin-film equations in two space dimensions

S Metzger, G Grün - Interfaces and Free Boundaries, 2022 - content.ems.press
We prove the existence of martingale solutions to stochastic thin-film equations in the
physically relevant space dimension d D 2. Conceptually, we rely on a stochastic Faedo …

Convergence to Sharp Traveling Waves of Solutions for Burgers-Fisher-KPP Equations with Degenerate Diffusion

T Xu, S Ji, M Mei, J Yin - Journal of Nonlinear Science, 2024 - Springer
This paper is concerned with the convergence to sharp traveling waves of solutions with
semi-compactly supported initial data for Burgers-Fisher-KPP equations with degenerate …

Interface Propagation Properties for a Nonlocal Thin-Film Equation

N De Nitti, RM Taranets - SIAM Journal on Mathematical Analysis, 2024 - SIAM
We consider a degenerate nonlocal parabolic equation in a one-dimensional domain
introduced to model hydraulic fractures. The nonlocal operator is given by a fractional power …

Zero-contact angle solutions to stochastic thin-film equations

G Grün, L Klein - Journal of Evolution Equations, 2022 - Springer
We establish existence of nonnegative martingale solutions to stochastic thin-film equations
with quadratic mobility for compactly supported initial data under Stratonovich noise. Based …

Droplet motion with contact-line friction: long-time asymptotics in complete wetting

L Giacomelli, MV Gnann… - Proceedings of the …, 2023 - royalsocietypublishing.org
We consider the thin-film equation for a class of free boundary conditions modelling friction
at the contact line, as introduced by E and Ren. Our analysis focuses on formal long-time …

Transition from circular to spiral waves and from Mexican hat to upside-down Mexican hat-solutions: The cases of local and nonlocal λ− ω reaction-diffusion …

RA El-Nabulsi - Chaos, Solitons & Fractals, 2024 - Elsevier
Nonlinear partial differential equations admitting traveling wave solutions play an important
role in the description and analysis of real-life physical processes and nonlinear …

Well-posedness of the Stokes equations on a wedge with Navier-slip boundary conditions

M Bravin, MV Gnann, H Knüpfer, N Masmoudi… - arXiv preprint arXiv …, 2024 - arxiv.org
We consider the incompressible and stationary Stokes equations on an infinite two-
dimensional wedge with non-scaling invariant Navier-slip boundary conditions. We prove …

The Navier-slip thin-film equation for 3D fluid films: existence and uniqueness

MV Gnann, M Petrache - Journal of Differential Equations, 2018 - Elsevier
We consider the thin-film equation∂ t h+∇⋅(h 2∇ Δ h)= 0 in physical space dimensions (ie,
one dimension in time t and two lateral dimensions with h denoting the height of the film in …

On singularity formation in a Hele-Shaw model

P Constantin, T Elgindi, H Nguyen, V Vicol - … in Mathematical Physics, 2018 - Springer
We discuss a lubrication approximation model of the interface between two immiscible fluids
in a Hele-Shaw cell, derived in Constantin et al.(Phys Rev E 47 (6): 4169–4181, 1993) and …