“…The HAM always provides us with a family of solution expressions in the auxiliary parameter the convergence region and rate of each solution might be determined conveniently by the auxiliary parameter Furthermore, the HAM is rather general and contains the homotopy perturbation method (HPM) [12], the Adomian decomposition method (ADM) [14] and δ-expansion method. In recent years, the HAM has been successfully employed to solve many types of nonlinear problems such as the nonlinear equations arising in heat transfer [15], the nonlinear model of diffusion and reaction in porous catalysts [16], the chaotic dynamical systems [17], the non-homogeneous Blasius problem [18], the generalized three-dimensional MHD flow over a porous stretching sheet [19], the wire coating analysis using MHD Oldroyd 8-constant fluid [20], the axisymmetric flow and heat transfer of a second grade fluid past a stretching sheet [21], the MHD flow of a second grade fluid in a porous channel [22], the generalized Couette flow [23], the Glauert-jet problem [24], the Burger and regularized long wave equations [25], the laminar viscous flow in a semi-porous channel in the presence of a uniform magnetic field [26], the nano boundary layer flows [27], the twodimensional steady slip flow in microchannels [28], and other problems. All of these successful applications verified the validity, effectiveness and flexibility of the HAM.…”
Abstract:In this paper, the problem of laminar, isothermal, incompressible and viscous flow in a rectangular domain bounded by two moving porous walls, which enable the fluid to enter or exit during successive expansions or contractions is solved analytically by using the homotopy analysis method (HAM). Graphical results are presented to investigate the influence of the nondimensional wall dilation rate α and permeation Reynolds number Re on the velocity, normal pressure distribution and wall shear stress. The obtained solutions, in comparison with the numerical solutions, demonstrate remarkable accuracy. The present problem for slowly expanding or contracting walls with weak permeability is a simple model for the transport of biological fluids through contracting or expanding vessels.
“…The HAM always provides us with a family of solution expressions in the auxiliary parameter the convergence region and rate of each solution might be determined conveniently by the auxiliary parameter Furthermore, the HAM is rather general and contains the homotopy perturbation method (HPM) [12], the Adomian decomposition method (ADM) [14] and δ-expansion method. In recent years, the HAM has been successfully employed to solve many types of nonlinear problems such as the nonlinear equations arising in heat transfer [15], the nonlinear model of diffusion and reaction in porous catalysts [16], the chaotic dynamical systems [17], the non-homogeneous Blasius problem [18], the generalized three-dimensional MHD flow over a porous stretching sheet [19], the wire coating analysis using MHD Oldroyd 8-constant fluid [20], the axisymmetric flow and heat transfer of a second grade fluid past a stretching sheet [21], the MHD flow of a second grade fluid in a porous channel [22], the generalized Couette flow [23], the Glauert-jet problem [24], the Burger and regularized long wave equations [25], the laminar viscous flow in a semi-porous channel in the presence of a uniform magnetic field [26], the nano boundary layer flows [27], the twodimensional steady slip flow in microchannels [28], and other problems. All of these successful applications verified the validity, effectiveness and flexibility of the HAM.…”
Abstract:In this paper, the problem of laminar, isothermal, incompressible and viscous flow in a rectangular domain bounded by two moving porous walls, which enable the fluid to enter or exit during successive expansions or contractions is solved analytically by using the homotopy analysis method (HAM). Graphical results are presented to investigate the influence of the nondimensional wall dilation rate α and permeation Reynolds number Re on the velocity, normal pressure distribution and wall shear stress. The obtained solutions, in comparison with the numerical solutions, demonstrate remarkable accuracy. The present problem for slowly expanding or contracting walls with weak permeability is a simple model for the transport of biological fluids through contracting or expanding vessels.
“…If this parameter is properly chosen, the given solution is valid, as verified in previous works , Hang et al (2007), Zhu (2009), Ali et al (2008) and Ziabakhsh (2009). Since the interval for the admissible values of corresponds to the line segments nearly parallel to the horizontal axis.…”
Section: Convergence Of the Ham Solutionmentioning
confidence: 59%
“…Also, Mehmood et al (2006) and(2008). Then, Liao (2009), Fakhari et al (2007 and Domairry et al (2008), Domairry et al (2009 Tan et al (2008), Ali et al (2008) and Ziabakhsh et al (2009) in a wide variety of scientific and engineering applications to solve different types of governing differential equations: linear and non-linear, homogeneous and non-homogeneous, and coupled and decoupled as well. This method offers highly accurate successive approximations of the solution.…”
In this paper, the effects of suction/blowing and thermal radiation on a hydromagnetic viscous fluid over a non-linear stretching and shrinking sheet are investigated. A similarity transformation is used to reduce the governing equations to a set of nonlinear ordinary differential equations. The system of equations is solved analytically employing homotopy analysis method (HAM). Convergence of the HAM solution is checked. The resulting similarity equations are solved numerically using Matlab bvp4c numerical routine. It is found that dual solutions exist for this particular problem. The comparison of analytical solution and numerical solution for the velocity profile is an excellent agreement.
“…In the works of Hayat et al [7][8][9][10] and Liao [11][12][13][14], it is also shown that the HAM method logically contains some previous techniques such as Adomian's decomposition method, Lyapunov's artificial small parameter method, and the δ-expansion method. Many authors (Abbasbandy [15], Ali et al [16,17], and Domairry et al [18][19][20][21]) have successfully applied HAM in solving different types of nonlinear problems, i.e., coupled, decoupled, homogeneous, and non-homogeneous equations arising in different physical problems such as heat transfer, fluid flow, oscillatory systems, etc.…”
In this paper, homotopy analysis method (HAM) has been used to evaluate the temperature distribution of annular fin with temperature-dependent thermal conductivity and to determine the temperature distribution within the fin. This method is useful and practical for solving the nonlinear heat transfer equation, which is associated with variable thermal conductivity condition. HAM provides an approximate analytical solution in the form of an infinite power series. The annular fin heat transfer rate with temperature-dependent thermal conductivity has been obtained as a function of thermo-geometric fin parameter and the thermal conductivity parameter describing the variation of the thermal conductivity.
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