Construction Of New Exact Solutions For Four Nonlinear Partial Differential Equations

People always pay attention to the exact solutions of nonlinear partial differential equations (NLPDES). Since NLPDES provides a scien-tific theoretical basis for explaining the nonlinear phenomenon in many field, such as atmosphere, rivers and seas. In this article, we have used the (G’/G)-expansion method, generalized (G’/G)-expansion method to establish the new solutions for four nonlinear partial differential equations. These four equation-s include:Joseph - Egri equation, (2+1) dimensional generalized Calogero -Bogoyavlenskii - Schiff equation, (2+1) dimensional Boiti - Leon - Manna -Pempinelli equation, (2+1) dimensional nonlinear fractional Zoomeron equa-tion. A series of new exact solutions which include hyperbolic function solutions, trigonometric function solutions and rational solutions have been constructed.