Younas H.M., Iqbal S., Siddique I., Kaabar M.K.A., Kaplan M.Younas, HM, Iqbal, S, Siddique, I, Kaabar, MKA, Kaplan, M2023-05-092023-05-092022-04-012022.01.010306-8919https://hdl.handle.net/20.500.12597/12022In this manuscript, Optimal Homotopy Asymptotic Method (OHAM) is used to find the approximate solutions of time fractional Phi-4 nonlinear partial differential equations. Approximate first order results are acquired through OHAM and are compared with the exact solutions. It has been noticed that the obtained results from OHAM have large convergence rate for time-Fractional Order Partial Differential Equations. The solutions are plotted and therelative errors are tabulated.falseApproximate solutions | Fractional calculus | Optimal homotopy asymptotic method | Time-fractional order Phi-4 partial differential equationsArticle10.1007/s11082-022-03562-610.1007/s11082-022-03562-62-s2.0-85126181549WOS:000768434000013541572-817X