Global well-posedness of solutions for fourth order dispersive wave equation with nonlinear weak damping, linear strong damping and logarithmic nonlinearity

Y Chen, R Xu - Nonlinear Analysis, 2020 - Elsevier
To understand the characteristics of dynamical behavior especially the kinetic evolution for
logarithmic nonlinearity, we aim to study the global well-posedness of nonlinear fourth order …

[HTML][HTML] Asymptotic behaviours of solutions for wave equations with damped Wentzell boundary conditions but no interior damping

C Li, J Liang, TJ Xiao - Journal of Differential Equations, 2021 - Elsevier
We are concerned with asymptotic behaviours of solutions for linear wave equations with
frictional damping only on Wentzell boundary, but without any interior damping. Making …

Nontrivial solutions for the Laplace equation with a nonlinear Goldstein-Wentzell boundary condition

E Vitillaro - arXiv preprint arXiv:2310.06442, 2023 - arxiv.org
The paper deals with the existence and multiplicity of nontrivial solutions for the doubly
elliptic problem $$\begin {cases}\Delta u= 0\qquad &\text {in $\Omega $,}\\u= 0 &\text {on …

Blow--up for the wave equation with hyperbolic dynamical boundary conditions, interior and boundary nonlinear damping and sources

E Vitillaro - arXiv preprint arXiv:2107.08213, 2021 - arxiv.org
The aim of this paper is to give global nonexistence and blow--up results for the problem
$$\begin {cases} u_ {tt}-\Delta u+ P (x, u_t)= f (x, u)\qquad &\text {in $(0,\infty)\times\Omega …

[PDF][PDF] A unified error analysis for spatial discretizations of wave-type equations with applications to dynamic boundary conditions

D Hipp - 2017 - core.ac.uk
This thesis provides a unified framework for the error analysis of non-conforming space
discretizations of linear wave equations in time-domain, which can be cast as symmetric …

Global solutions and blow-up for the wave equation with variable Coefficients: I. Interior supercritical source

TG Ha - Applied Mathematics & Optimization, 2021 - Springer
In this paper, we consider the variable coefficient wave equation with damping and
supercritical source terms. The goal of this work is devoted to prove the local and global …

Regularity and stability of wave equations with variable coefficients and Wentzell type boundary conditions

C Li, J Liang, TJ Xiao - Journal of Differential Equations, 2023 - Elsevier
We investigate regularity and stability of wave equations with variable coefficients and the
frictional damping, where the damping effect is only on Wentzell boundary and there is no …

Homogenization and uniform stabilization of the wave equation in perforated domains

MM Cavalcanti, VND Cavalcanti, A Vicente - Journal of Differential …, 2024 - Elsevier
In this article we study the homogenization and uniform decay rates estimates of the energy
associated to the damped nonlinear wave equation∂ ttu ε− Δ u ε+ f (u ε)+ a (x) g (∂ tu ε)= 0 …

Approximation by regular functions in Sobolev spaces arising from doubly elliptic problems

P Pucci, E Vitillaro - Bollettino dell'Unione Matematica Italiana, 2020 - Springer
The paper deals with a nontrivial density result for C^ m (\varOmega) C m (Ω¯) functions,
with m ∈ N ∪ {∞\} m∈ N∪∞, in the space W^ k, ℓ, p (\varOmega;\varGamma)=\left {u ∈ …

Blow-up theorems for a structural acoustics model

B Feng, Y Guo, MA Rammaha - Journal of Mathematical Analysis and …, 2024 - Elsevier
This article studies the finite time blow-up of weak solutions to a structural acoustics model
consisting of a semilinear wave equation defined on a bounded domain Ω⊂ R 3 which is …