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Analytic approximate solution for the Bratu's problem by optimal homotopy analysis method

Communications in Numerical Analysis • 2013
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Publication Information
Authors Hany N. Hassan; Mourad S. Semary
Keywords Optimal homotopy analysis method , Bratu's problem, Series solutions, Two boundary value problem, Multiple solutions.
Journal Communications in Numerical Analysis
Publisher Not Available
Volume 2013
Issue Not Available
Pages Not Available
publication.type International
Paper Link Not Available
Supplementary Materials Not Available
Abstract
In This paper, we present analytic approximate solutions for Bratu's problem with high accuracy for
different values of λ. We solve this nonlinear problem without any approximations or transformation in the
problem and we successfully obtain the two branches of solutions for different values λ using homotopy
analysis method. A new efficient approach is proposed to obtain the optimal value of convergence
controller parameter ℏ to guarantee the convergence of the obtained series solution.