Results 11 to 20 of about 8,875,167 (275)

A New Blow-Up Criterion for the DGH Equation [PDF]

open access: yesAbstract and Applied Analysis, 2012
We investigate the DGH equation. Analogous to the Camassa-Holm equation, this equation possesses the blow-up phenomenon. We establish a new blow up criterion on the initial data to guarantee the formulation of singularities in finite time.
Mingxuan Zhu   +2 more
doaj   +5 more sources

Blow-Up Criterion of Weak Solutions for the 3D Boussinesq Equations [PDF]

open access: yesJournal of Function Spaces, 2015
The Boussinesq equations describe the three-dimensional incompressible fluid moving under the gravity and the earth rotation which come from atmospheric or oceanographic turbulence where rotation and stratification play an important role.
Zhaohui Dai   +3 more
doaj   +3 more sources

A Losing Estimate for the Ideal MHD Equations with Application to Blow‐up Criterion

open access: yesSIAM Journal on Mathematical Analysis, 2007
In this paper we study the blow‐up criterion of smooth solution to the ideal MHD equations in $\R^n$. By means of the Fourier frequency localization and Bony paraproduct decomposition, we show a losing estimate for the ideal MHD equations and apply it to establish an improved blow‐up criterion of smooth solutions.
Marco Cannone   +2 more
openaire   +4 more sources

A blow-up criterion for the inhomogeneous incompressible Euler equations

open access: yesNonlinear Analysis, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Bae, Hantaek, Lee, Woojae, Shin, Jaeyong
openaire   +4 more sources

A Blow-Up Criterion for the Density-Dependent Incompressible Magnetohydrodynamic System with Zero Viscosity

open access: yesMathematics
In this paper, we provide a blow-up criterion for the density-dependent incompressible magnetohydrodynamic system with zero viscosity. The proof uses the Lp-method and the Kato–Ponce inequalities in the harmonic analysis.
Kunlong Shi, Jishan Fan, Gen Nakamura
doaj   +2 more sources

Blow-up criterion for the 2D Euler-Boussinesq system in terms of temperature [PDF]

open access: yesElectronic Journal of Differential Equations, 2016
In this article, we study the blow-up slutions for the 2D Euler-Boussinesq equation. In particular, it is shown that if $$ \int_0^{T^*} \sup_{r\geq 2}\frac{\|\Lambda^{1-\alpha} \theta(t)\|_{L^{r}}} {\sqrt{r\log r ...
Chenyin Qin
doaj   +3 more sources

Local existence and blow-up criterion for the Boussinesq equations

open access: yesProceedings of the Royal Society of Edinburgh: Section A Mathematics, 1997
SynopsisIn this paper, we prove local existence and uniqueness of smooth solutions of the Boussinesq equations. We also obtain a blow-up criterion for these smooth solutions. This shows that the maximum norm of the gradient of the passive scalar controls the breakdown of smooth solutions of the Boussinesq equations. As an application of this criterion,
Chae, Dongho, Nam, Hee-Seok
openaire   +2 more sources

Blow-up criterion of smooth solutions for magneto-micropolar fluid equations with partial viscosity [PDF]

open access: yesBoundary Value Problems, 2011
In this paper, we investigate the Cauchy problem for the incompressible magneto-micropolar fluid equations with partial viscosity in ℝn(n = 2, 3). We obtain a Beale-Kato-Majda type blow-up criterion of smooth solutions. MSC (2010): 76D03; 35Q35.
Wang Yu-Zhu, Li Yifang, Wang Yin-Xia
doaj   +2 more sources

Blow-up criterion for two-dimensional heat convection equations with zero heat conductivity

open access: yesElectronic Journal of Differential Equations, 2012
In this article we obtain a blow-up criterion of smooth solutions to Cauchy problem for the incompressible heat convection equations with zero heat conductivity in $mathbb{R}^2$.
Yu-Zhu Wang, Zhiqiang Wei
doaj   +1 more source

A Blow-Up Criterion for 3D Compressible Isentropic Magnetohydrodynamic Equations with Vacuum

open access: yesMathematics
In this paper, we investigate a blow-up criterion for compressible magnetohydrodynamic equations. It is shown that if density and velocity satisfy (∥ρ∥L∞(0,T;L∞)+∥u∥C([0,T];L3)
Shujuan Wang, Jialin Ren, Rijian Su
doaj   +2 more sources

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