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High-order compact schemes for nonlinear dispersive waves. (English) Zbl 1089.76043
Summary: High-order compact finite difference schemes coupled with high-order low-pass filter and the classical fourth-order Runge-Kutta scheme are applied to simulate nonlinear dispersive wave propagation problems described the Korteweg-de Vries (KdV)-like equations, which involve a third derivative term. Several examples such as KdV equation, and KdV-Burgers equation are presented, and the solutions obtained are compared with some other numerical methods. Computational results demonstrate that high-order compact schemes work very well for problems involving a third derivative term.

MSC:
76M20 Finite difference methods applied to problems in fluid mechanics
76B15 Water waves, gravity waves; dispersion and scattering, nonlinear interaction
Software:
FDL3DI
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References:
[2] Gaitonde, D. V., and Visbal, M. R., (1998). High-order schemes for Navier–Stokes equations: algorithms and implementation into FDL3DI. Technical Report AFRL-VA-WP-TR-1998-3060, Air Force Research Laboratory, Wright-Patterson AFB, Ohio.
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