Electrical Discharge Machining (EDM) has grown over the last few decades from a novelty to a mainstream anufacturing process. Though, EDM process is very demanding but the mechanism of the process is complex and far from completely understood. It is difficult to establish a model that can accurately predict the performance by correlating the proces

In this paper, a new reliable algorithm based on an adaptation of the standard homotopy-perturbation method (HPM) is applied to the Chen system which is a three-dimensional system of ODEs with quadratic nonlinearities. The HPM is treated as an algorithm in a sequence of intervals for finding accurate approximate solutions to the Chen system.We shal

In this paper, approximate and/or exact analytical solutions of the generalized Emden–Fowler type equations in the second-order ordinary differential equations (ODEs) are obtained by homotopy-perturbation method (HPM). The homotopy-perturbation method (HPM) is a coupling of the perturbation method and the homotopy method. The main feature of the

In this paper, the homotopy analysis method (HAM) is compared with the homotopy-perturbation method (HPM) and the Adomian decomposition method (ADM) to determine the temperature distribution of a straight rectangular fin with power-law temperature dependent surface heat flux. Comparisons of the results obtained by the HAM with that obtained by the

Porous tri-calcium phosphate, well-known for its use as artificial bone, was prepared via sponge polymeric method by the application of low cost polyurethane (PU) foam as a structural guide. In this experiment, fractions of tri-calcium phosphate (TCP) are controlled at 12, 13, 14, 15 and 16 grams and mixed with distilled water (fixed at 25 grams) t

Polymorphisms within Beta2-adrenergic receptor (β2AR) gene have been repeatedly linked to hypertension. Among the β2AR polymorphisms detected, Arg16Gly and Gln27Glu codons were considered the two most important variations. Arg16Gly especially, has been found to be significantly associated with hypertension in Caucasian and black subjects. The ami

In this paper, the solution of Cauchy reaction-diffussion problems is presented by homotopy-perturbation method (HPM). Reaction-difussion equations have special importance in engineering and sciences and constitute a good model for many systems in various fields. The HPM yields an analytical solution in terms of a rapidly convergent infinite power

The emergence of the Internet as a most popular medium of communication that combines all elements of traditional media brought a new dimension to al-dacwah alfardiyyah as it can now be undertaken in cyberspace as well as face to face. This study proposes a model of online al-dacwah al-fardiyyah that incorporates the traditional approach of aldacwa

There is a growing recognition of the value and benefits of working at the community level. It is at the local level that much of the real-action in coastal zone management is taking place. As such, the proposed research will examine about the importance of community participation in coastal zone management initiative, namely Port Klang Coastal Str

The radiation vulcanization of natural rubber latex (NRL) has been carried out with 150 keV electrons beam with the presence of carbon nanotubes. The NRL/CNTs were prepared by using solving casting method by dispersing carbon nanotubes in a polymer solution and subsequently evaporating the solvent. The load of the carbon nanotubes in the rubber was