Ganji, D. D.; Sadighi, A. Application of homotopy-perturbation and variational iteration methods to nonlinear heat transfer and porous media equations. (English) Zbl 1120.65108 J. Comput. Appl. Math. 207, No. 1, 24-34 (2007). Summary: Perturbation methods depend on a small parameter which is difficult to be found for real-life nonlinear problems. To overcome this shortcoming, two new but powerful analytical methods are introduced to solve nonlinear heat transfer problems in this article; one is J.-H. He’s variational iteration method [(VIM); Int. J. Non-Linear Mech. 34, No. 4, 699–708 (1999; Zbl 1342.34005)] and the other is J.-H. He’s homotopy-perturbation method [(HPM); Comput. Methods Appl. Mech. Eng. 178, No. 3–4, 257–262 (1999; Zbl 0956.70017)]. The VIM is to construct correction functionals using general Lagrange multipliers identified optimally via the variational theory, and the initial approximations can be freely chosen with unknown constants. The HPM deforms a difficult problem into a simple problem which can be easily solved. Nonlinear convective-radiative cooling equation, nonlinear heat equation (porous media equation) and nonlinear heat equation with cubic nonlinearity are used as examples to illustrate the simple solution procedures. Comparison of the applied methods with exact solutions reveals that both methods are tremendously effective. Cited in 88 Documents MSC: 65M70 Spectral, collocation and related methods for initial value and initial-boundary value problems involving PDEs 35K55 Nonlinear parabolic equations Keywords:heat transfer; nonlinear equations; variational iteration method; homotopy-perturbation method; numerical examples; nonlinear heat equation; porous media equation Citations:Zbl 1342.34005; Zbl 0956.70017 PDF BibTeX XML Cite \textit{D. D. Ganji} and \textit{A. Sadighi}, J. Comput. Appl. Math. 207, No. 1, 24--34 (2007; Zbl 1120.65108) Full Text: DOI OpenURL References: [1] Abdou, M.A.; Soliman, A.A., Variational iteration method for solving burger’s and coupled Burger’s equations, J. comput. appl. math., 181, 245-251, (2005) · Zbl 1072.65127 [2] Abulwafa, E.M.; Abdou, M.A.; Mahmoud, AA., The solution of nonlinear coagulation problem with mass loss, Chaos, solitons fractals, 29, 313-330, (2006) · Zbl 1101.82018 [3] Aziz, A.; Na, T.Y., Perturbation method in heat transfer, (1984), Hemisphere Publishing Corporation Washington, DC [4] Bildik, N.; Konuralp, A., The use of variational iteration method, differential transform method and Adomian decomposition method for solving different types of nonlinear partial differential equations, Internat. J. nonlinear sci. numer. simul., 7, 65-70, (2006) [5] El-Shahed, M., Application of He’s homotopy perturbation method to Volterra’s integro-differential equation, Internat. J. nonlinear sci. numer. simul., 6, 163-168, (2005) [6] Ganji, D.D.; Rajabi, A., Assessment of homotopy-perturbation and perturbation methods in heat radiation equations, Internat. comm. heat mass transfer, 33, 391-400, (2006) [7] He, J.H., Approximate analytical solution for seepage flow with fractional derivatives in porous media, Comput. methods appl. mech. eng., 167, 57-68, (1998) · Zbl 0942.76077 [8] He, J.H., Approximate solution of nonlinear differential equations with convolution product nonlinearities, Comput. methods appl. mech. eng., 167, 69-73, (1998) · Zbl 0932.65143 [9] He, J.H., Variational iteration method—a kind of non-linear analytical technique: some examples, Internat. J. non-linear mech., 34, 699-708, (1999) · Zbl 1342.34005 [10] He, J.H., Homotopy perturbation technique, Comput. methods appl. mech. eng., 178, 257-262, (1999) · Zbl 0956.70017 [11] He, J.H., Variational iteration method for autonomous ordinary differential systems, Appl. math. comput., 114, 115-123, (2000) · Zbl 1027.34009 [12] He, J.H., A coupling method of a homotopy technique and a perturbation technique for non-linear problems, Internat. J. non-linear mech., 35, 37-43, (2000) · Zbl 1068.74618 [13] He, J.H., Homotopy perturbation method: a new nonlinear analytical technique, Appl. math. comput., 135, 73-79, (2003) · Zbl 1030.34013 [14] He, J.H., The homotopy perturbation method for nonlinear oscillators with discontinuities, Appl. math. comput., 151, 287-292, (2004) · Zbl 1039.65052 [15] He, J.H., Application of homotopy perturbation method to nonlinear wave equations, Chaos, solitons fractals, 26, 695-700, (2005) · Zbl 1072.35502 [16] He, J.H., Homotopy perturbation method for bifurcation of nonlinear problems, Internat. J. nonlinear sci. numer. simul., 6, 207-208, (2005) [17] He, J.H., Some asymptotic methods for strongly nonlinear equations, Internat. J. modern phys. B, 20, 1141-1199, (2006) · Zbl 1102.34039 [18] J.H. He, Non-perturbative methods for strongly nonlinear problems, Dissertation, de-Verlag im Internet GmbH, Berlin, 2006. [19] He, J.H.; Wu, X.H., Construction of solitary solution and compacton-like solution by variational iteration method, Chaos, solitons fractals, 29, 108-113, (2006) · Zbl 1147.35338 [20] Momani, S.; Abuasad, S., Application of He’s variational iteration method to Helmholtz equation, Chaos, solitons fractals, 27, 1119-1123, (2006) · Zbl 1086.65113 [21] Odibat, Z.M.; Momani, S., Application of variational iteration method to nonlinear differential equations of fractional order, Internat. J. nonlinear sci. numer. simul., 7, 27-34, (2006) [22] Pamuk, S., Solution of the porous media equation by Adomian’s decomposition method, Phys. lett. A, 344, 2-4, 184-188, (2005) · Zbl 1194.65148 [23] Polyanin, A.D.; Zaitsev, V.F., Handbook of nonlinear partial differential equations, (2004), Chapman & Hall/CRC Press Boca Raton · Zbl 1024.35001 [24] Siddiqui, A.M.; Mahmood, R.; Ghori, Q.K., Homotopy perturbation method for thin film flow of a fourth grade fluid down a vertical cylinder, Phys. lett. A, 352, 404-410, (2006) · Zbl 1187.76622 [25] Siddiqui, A.M.; Mahmood, R.; Ghori, Q.K., Thin film flow of a third grade fluid on a moving belt by He’s homotopy perturbation method, Internat. J. nonlinear sci. numer. simul., 7, 7-14, (2006) · Zbl 1187.76622 [26] Soliman, A.A., A numerical simulation and explicit solutions of KdV-burgers’ and Lax’s seventh-order KdV equations, Chaos, solitons fractals, 29, 294-302, (2006) · Zbl 1099.35521 This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.