搜索结果: 1-15 共查到“理学 nonlinear evolution”相关记录29条 . 查询时间(0.126 秒)
On the Approximation of Nonlinear Evolution Equations in Particular C*-Algebras of Operators
Nonlinear Evolution Equations Particular C*-algebras Discretizable Hilbert spaces
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2011/2/25
In this article we deal with the approximation of solutions of non-linear evolution equations of the form A(u(t))+f(u(t)) = u′(t), the numerical analysis of solutions to this problems will be performe...
Symmetry classification of third-order nonlinear evolution equations. Part I: Semi-simple algebras
Exactly Solvable and Integrable Systems(nlin.SI) Mathematical Physics(math-ph)
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2010/11/10
We give a complete point-symmetry classification of all third-order evolution equations of the form $u_t=F(t,x,u,u_x, u_{xx})u_{xxx}+G(t,x,u,u_x, u_{xx})$ which admit semi-simple symmetry algebras and...
Symmetry Groups and Exact Solutions of a (3+1)-dimensional Nonlinear Evolution Equation and Maccari’s System
symmetry group (3+1)-dimensional nonlin ear evolution equation Maccari’s system
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2012/9/25
Based on the generalized symmetry group method and symbolic computation, both the Lie point groups and the non-Lie symmetry groups of a (3+1)-dimensional nonlinear evolution equation as well as the Ma...
Existence and Uniqueness of Solutions to Nonlinear Evolution Equations with Locally Monotone Operators
Nonlinear Evolution Equations Locally Monotone Operators
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2010/11/9
In this paper we establish the existence and uniqueness of solutions for nonlinear evolution equations on Banach space with locally monotone operators, which is a generalization of the classical resu...
New exact multi line soliton and periodic solutions with constant asymptotic values at infinity of the NVN integrable nonlinear evolution equation via dibar-dressing method
exact multi line soliton nonlinear evolution equation periodic solutions
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2010/4/6
The classes of exact multi line soliton, periodic solutions and solutions with functional parameters, with constant asymptotic values at infinity u|_{xi^2+eta^2->infty}->-epsilon, for the hyperbolic a...
The nonlinear evolution of unstable coupled equatorial ocean-atmosphere modes
nonlinear evolution equatorial ocean-atmosphere modes
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2009/11/13
In this paper we investigate whether observed intraseasonal variability in the equatorial Pacific can be attributed to finite amplitude waves resulting from unstable air-sea interactions. Within a Zeb...
Nonlinear evolution of the parametric instability:numerical predictions versus observations in the heliosphere
Nonlinear evolution parametric instability numerical predictions versus observations
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2009/11/12
Low-frequency turbulence in the solar wind is characterized by a high degree of Alfvénicity close to the Sun. Cross-helicity, which is a measure of Alfvénic correlation, tends to decrease with increas...
Models for strongly-nonlinear evolution of long internal waves in a two-layer stratification
strongly-nonlinear evolution long internal waves two-layer stratification
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2009/11/2
Models describing the evolution of long internal waves are proposed that are based on different polynomial approximations of the exact expression for the phase speed of uni-directional, fully-nonlinea...
Nonlinear Evolution of Linearly Unstable Barotropic Boundary Currents
Nonlinear Evolution vorticity regions self-induced flow
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2008/11/24
The nonlinear evolution of linearly unstable barotropic boundary currents, consisting of three piecewise uniform vorticity regions, was investigated using the contour dynamics method. A physical inter...
Nonlinear Evolution of Surface Wave Spectra on a Beach
Surface Wave Spectra Nonlinear Evolution
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2008/10/27
The shoaling evolution of wave spectra on a beach with straight and parallel depth contours is investigated with a stochastic Boussinesq model. Existing deterministic Boussinesq models cast in the for...
Convergence to Diffusion Waves for Nonlinear Evolution Equations with Ellipticity and Damping, and with Different End States
evolution equations diffusion waves decay rate energy method a priori estimates
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2007/12/11
In this paper, we consider the global existence and the asymptotic behavior of solutions to the Cauchy problem for the following nonlinear evolution equations with ellipticity and dissipative effects:...
Bi-Hamiltonian Structure of a Third-Order Nonlinear Evolution
Equation on Plane Curve Motions
nonlinear evolution equation bi-Hamiltonian structure
hereditary operator integrability
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2007/8/15
2007Vol.48No.2pp.211-214DOI:
Bi-Hamiltonian Structure of a Third-Order Nonlinear Evolution
Equation on Plane Curve Motions
REN Wen-Xiu1,2 and Alatancang1
1 Department of...
Generalized Dromion Structures of New (2+1)-Dimensional Nonlinear Evolution Equation
(2+1) dimensions nonlinear evolution equation soliton
dromion
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2007/8/15
2001Vol.35No.3pp.267-270DOI:
Generalized Dromion Structures of New (2+1)-Dimensional Nonlinear Evolution Equation
ZHANG Jie-Fang
Institute of Nonlinear Physics, Zhejiang...
A Maple Package on Symbolic Computation of Conserved
Densities for (1+1)-Dimensional Nonlinear Evolution Systems
conservation laws nonlinear evolution systems computer algebra
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2007/8/15
2007Vol.47No.6pp.961-968DOI:
A Maple Package on Symbolic Computation of Conserved
Densities for (1+1)-Dimensional Nonlinear Evolution Systems
YANG Xu-Dong,1 RUAN Hang-Yu,1 and LOU...
Jacobi Elliptic Function Solutions of Some Nonlinear Evolution Equations
KdV equation Ito equation vKdV equation AKNS equation exact solution
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2007/8/15
2006Vol.46No.5pp.804-806DOI:
Jacobi Elliptic Function Solutions of Some Nonlinear Evolution Equations
YE Cai-Er
Department of Mathematics, Zhejiang Forestry University, ...