Journal
INDIAN JOURNAL OF PHYSICS
Volume 95, Issue 7, Pages 1479-1489Publisher
INDIAN ASSOC CULTIVATION SCIENCE
DOI: 10.1007/s12648-019-01645-x
Keywords
Modified mathematical method; Damped (KdV) equation; Damped modified (KdV) equation; Solitary wave solutions; 02; 30; Jr; 05; 45; Yv; 47; 10; A; 47; 35; +i; 47; 35; Fg
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New solitary wave solutions of nonlinear damped KdV and damped mKdV equations were formulated using the reductive perturbation technique. The obtained solutions, including dark solitons, bright solitons, traveling wave, kink and anti-kink wave solitons, are more useful for various applications such as quantum plasma, soliton dynamics, and fluid dynamics. The physical structures of the new solutions were illustrated through two and three-dimensional graphics to provide insights into the different structures of dust ion-acoustic solitary waves.
By using the reductive perturbation technique, the nonlinear dust ion-acoustic solitary wave models of the damped Korteweg-de Vries (D-KdV) and modified damped Korteweg-de Vries (D-mKdV) equations are formulated.We constructed the more general and new solitary wave solutions of nonlinear damped KdV and damped mKdV equations by using the modified mathematical technique. These obtained solutions are more useful in the development of quantum plasma, dynamics of solitons, dynamics of adiabatic parameters, dynamics of fluid and problems of biomedical, industrial phenomena. The new solutions are obtained in the shape of dark solitons, bright solitons, traveling wave and kink and anti-kink wave solitons. We show the physical structure of new solutions by two and three-dimensions graphical to know the physical interpretation of different structure of dust ion-acoustic solitary wave. The calculations show that this new technique is more powerful, effective, straightforward, and fruitfulness to study analytically other nonlinear complex physical models in plasma physics, mathematical physics, fluid mechanics, hydrodynamics, mathematical biology and many other physical sciences.
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