Adomian decomposition method reformulated using dimensionless nonlinear perturbation theory

2025/01/01 by Albert S. Kim, Kim, Albert S.
Mathematics · #Computational Physics (physics.comp-ph) #Differential Equations and Numerical Methods #FOS: Physical sciences

paper · pdf · doi:10.48550/arxiv.2501.10398

openalex publication_date 2025/01/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The Adomian decomposition method (ADM) is a universal approach to solving governing equations in various engineering and technological applications. The applicability of the ADM is almost limitless due to its universal applicability, but its convergence rate and numerical accuracy are sensitive to the number of truncated terms in series solutions. More importantly, Adomian formalism still holds unresolved issues regarding the mismatch of the order of the expansion parameter. The current work provides an in-depth analysis of Adomian's decomposition method, Lyapunov's stability theory, and the nonlinear perturbation theory to resolve the fundamental mismatch with physical interpretation.

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