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Numerical Investigation of Separated Solitary Waves Solution for KDV Equation through Finite Element Technique

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International Journal of Computer Applications
© 2012 by IJCA Journal
Volume 40 - Number 14
Year of Publication: 2012
Authors:
S. Kapoor
S. Rawat
S. Dhawan
10.5120/5049-7463

S Kapoor, S Rawat and S Dhawan. Article: Numerical Investigation of Separated Solitary Waves Solution for KDV Equation through Finite Element Technique. International Journal of Computer Applications 40(14):27-33, February 2012. Full text available. BibTeX

@article{key:article,
	author = {S. Kapoor and S. Rawat and S. Dhawan},
	title = {Article: Numerical Investigation of Separated Solitary Waves Solution for KDV Equation through Finite Element Technique},
	journal = {International Journal of Computer Applications},
	year = {2012},
	volume = {40},
	number = {14},
	pages = {27-33},
	month = {February},
	note = {Full text available}
}

Abstract

The Present manuscript reports the solution of well known non linear wave mechanics problem called KDV equation, here main emphasis is given on the Mathematical modeling of traveling waves and their solutions in the form of Korteweg-de Vries equation (KdV) It is a non-linear Partial Differential Equation (PDE) of third order which arises in a number of physical applications such as water waves, elastic rods, plasma physics etc. We present numerical solution of the above equation using B-spline FEM (Finite Element Method) approach. The ultimate goal of the paper is to solve the above problem using numerical simulation in which the accuracy of computed solutions is examined by making comparison with analytical solutions, which are found to be in good agreement with each other along with that we discussed the physical interpolation of the soliton study in which we found that the travel waves reaches to the maximum magnitude of the velocity in the short time of the interval and there is an uncertainty in the motion of the moving waves. Another important observation we found that the maximum magnitude of the velocity in the most of the time domain is around 1 but in some of the condition waves having a unnatural phenomena which is called the existence of the doubly soliton is seemed frequently. All above observation which is clearly indication of the generic outcome of a weakly nonlinear long-wave asymptotic analysis of many physical systems. The another achievement of the work is to implementation of the cubic B-spline FEM in the above non linear propagating waves phenomena.

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