In this research paper, we implement the sine-Gordon expansion method to two governing models which are the (2+1)-dimensional Nizhnik-Novikov-Veselov equation and the Caudrey-Dodd-Gibbon-Sawada-Kotera equation. We use conformable derivative to transform these nonlinear partial differential models to ordinary differential equations. We find some wave solutions having trigonometric function, hyperbolic function. Under the strain conditions of these solutions obtained in this paper, various simulations are plotted.
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Yang XL, 2008, COMMUN THEOR PHYS, V50, P1047, DOI 10.1088/0253-6102/50/5/06