Numerical solution of coupled nonlinear Schrodinger equation by Galerkin method

my paper is essay about this article: Numerical solution of coupled nonlinear Schrodinger equation by Galerkin method..
like ( Critical thinking ) i have to evaluate this article the structure are:
Introduction
Main body ( summary of article- foundations studies and why this is come – impact studies and why there comes after this studies)
conclusion
Note: i wrote but my language very band and i need paraphrasing and editing. also my methods in foundations and impact studies think wrong. i did not write the conclusion.