OICC Press Journal of Theoretical and Applied Physics 2251-7235 7 1 2023 11 17 The comparison of homotopy perturbation method with finite difference method for determination of maximum beam deflection 10.1186/2251-7235-7-8 EN OICC Press Authors Various OICC Press Authors Journal Article 2023 11 17 AbstractThis paper deals with the determination of maximum beam deflection using homotopy perturbation method (HPM) and finite difference method (FDM). By providing some examples, we compare the results with exact solutions and conclude that HPM is more accurate, more stable and effective and can therefore be found widely applicable in structrue engineering.