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Dr. Hany Nasr Hassan Mohammed :: Publications:

Title:
An efficient numerical method for the modified regularized long wave equation using Fourier spectral method
Authors: Hany. N. Hassan
Year: 2016
Keywords: MRLW equation; Fourier spectral method; Fast Fourier transform; Leap-Frog method; Solitary waves
Journal: Journal of the Association of Arab Universities for Basic and Applied Sciences
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: International
Paper Link: Not Available
Full paper Hany Nasr Hassan Mohammed_1-s2.0-S1815385216300396-main Copy.pdf
Supplementary materials Not Available
Abstract:

The modified regularized long wave (MRLW) equation is numerically solved using Fourier spectral collection method. The MRLW equation is discretized in space variable by the Fourier spectral method and Leap-Frog method for time dependence. To validate the efficiency, accuracy and simplicity of the used method, four cases study are solved. The single soliton wave motion, interaction of two solitary waves, interaction of three solitary waves and a Maxwellian initial condition pulse are studied. The L2L2 and L∞L∞ error norms are computed for the motion of single solitary waves. To determine the conservation properties of the MRLW equation three invariants of motion are evaluated for all test problems.

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