2011
DOI: 10.1007/s10255-011-0066-x
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Numerical simulation for the initial-boundary value problem of the Klein-Gordon-Zakharov equations

Abstract: In this paper, a new conservative finite difference scheme with a parameter θ is proposed for the initial-boundary problem of the Klein-Gordon-Zakharov (KGZ) equations. Convergence of the numerical solutions are proved with order O(h 2 + τ 2 ) in the energy norm. Numerical results show that the scheme is accurate and efficient.

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Cited by 12 publications
(8 citation statements)
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“…In the Ref. [16][17][18][19], the finite difference scheme is proposed for the initial-boundary problem of the Klein-Gordon-Zakharov equations.…”
Section: ( )mentioning
confidence: 99%
“…In the Ref. [16][17][18][19], the finite difference scheme is proposed for the initial-boundary problem of the Klein-Gordon-Zakharov equations.…”
Section: ( )mentioning
confidence: 99%
“…Due to the fast decay of the solutions of KGZ at the far field [1,2,[11][12][13][14][15], from numerical aspects, we truncate the whole space problem onto a finite interval = (a, b) in 1D with zero boundary conditions, that is,…”
Section: A Numerical Schemementioning
confidence: 99%
“…The nondimensional Klein–Gordon–Zakharov (KGZ) system in d ‐dimensions ( d = 1 , 2 , 3 ) reads as the following, t t ψ ( x , t ) Δ ψ ( x , t ) + ψ ( x , t ) + ψ ( x , t ) ϕ ( x , t ) + λ | ψ | 2 ψ ( x , t ) = 0 , t t ϕ ( x , t ) Δ ϕ ( x , t ) Δ ( | ψ ( x , t ) | 2 ) = 0 , x d , t > 0 , with given initial conditions ψ ( x , 0 ) = ψ ( 0 ) ( x ) , t ψ ( x , 0 ) = ψ ( 1 ) ( x ) , ϕ ( x , 0 ) = ϕ ( 0 ) ( x ) , t ϕ ( x , 0 ) = ϕ ( 1 ) ( x …”
Section: Introductionmentioning
confidence: 99%
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“…In [4] Guo and Yuan studied the global smooth solutions for the Cauchy problem of these equations. Furthermore, in [5,6] the authors proposed three difference schemes for the KGZ equations. It is well known that a conservative scheme performs better than a nonconservative one; for example, Zhang et al in [7] pointed out that the nonconservative schemes may easily show nonlinear blowup and Li and Vu-Quoc also said, "in some areas, the ability to preserve some invariant properties of the original differential equation is a criterion to judge the success of a numerical simulation" (see [8]).…”
Section: Introductionmentioning
confidence: 99%