Results 61 to 70 of about 469,036 (195)

Derivation of Non-isotropic Phase Equations from a General Reaction-Diffusion Equation

open access: yes, 2000
A non-isotropic version of phase equations such as the Burgers equation, the K-dV-Burgers equation, the Kuramoto-Sivashinsky equation and the Benney equation in the three-dimensional space is systematically derived from a general reaction-diffusion ...
Benney   +10 more
core   +1 more source

Reaction-diffusion systems with 1-homogeneous non-linearity

open access: yesElectronic Journal of Differential Equations, 2002
We describe the dynamics of a system of two reaction-diffusion equations with 1-homogeneous non-linearity. We show that either an order-preserving property holds and can be used in order to determine the limiting behaviour in some (invariant) sets or the
Matthias Bueger
doaj  

An upper bound for the bulk burning rate for systems

open access: yes, 2000
We consider a system of reaction-diffusion equations with passive advection term and Lewis number not equal to one. Such systems are used to describe chemical reactions in a flow in a situation where temperature and material diffusivities are not equal ...
Kiselev, Alexander, Ryzhik, Leonid
core   +1 more source

Biscale Chaos in Propagating Fronts

open access: yes, 1996
The propagating chemical fronts found in cubic autocatalytic reaction-diffusion processes are studied. Simulations of the reaction-diffusion equation near to and far from the onset of the front instability are performed and the structure and dynamics of ...
A. Arneodo   +21 more
core   +1 more source

Coupled Reaction-Diffusion Equations

open access: yesThe Annals of Probability, 1991
We consider single equations and systems of reaction-diffusion equations depending on small parameter. These equations are generalizations of the Kolmogorov-Petrovskii-Piskunov equation. Using the large deviation principle, we describe the asymptotic behavior of solutions.
openaire   +2 more sources

Self-Similar Blow-Up Profiles for a Reaction-Diffusion Equation with Strong Weighted Reaction

open access: yesAdvanced Nonlinear Studies, 2020
We study the self-similar blow-up profiles associated to the following second-order reaction-diffusion equation with strong weighted reaction and unbounded weight:
Iagar Razvan Gabriel, Sánchez Ariel
doaj   +1 more source

Two classes of nonlocal Evolution Equations related by a shared Traveling Wave Problem

open access: yes, 2017
We consider reaction-diffusion equations and Korteweg-de Vries-Burgers (KdVB) equations, i.e. scalar conservation laws with diffusive-dispersive regularization.
A Chmaj   +34 more
core   +1 more source

Sliding mode control for a phase field system related to tumor growth

open access: yes, 2017
In the present contribution we study the sliding mode control (SMC) problem for a diffuse interface tumor growth model coupling a viscous Cahn-Hilliard type equation for the phase variable with a reaction-diffusion equation for the nutrient.
Colli, Pierluigi   +3 more
core   +1 more source

A modified semi--implict Euler-Maruyama Scheme for finite element discretization of SPDEs with additive noise [PDF]

open access: yes, 2016
We consider the numerical approximation of a general second order semi--linear parabolic stochastic partial differential equation (SPDE) driven by additive space-time noise. We introduce a new modified scheme using a linear functional of the noise with a
Lord, Gabriel J, Tambue, Antoine
core  

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