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Isaac Scientific Publishing
Advances in Computational and Applied Sciences
Dr. Essam R. El-Zahar,  Prince Sattam bin Abdulaziz University, Saudi Arabia
Mathematics Department, College of Science and Humanities, Prince
Sattam bin Abdulaziz University, Alkharj,
Saudi Arabia
Research Interests
• Algorithms and Computational methods in Solving ODEs(Numerical Methods, Semi Analytical-Numerical Methods)
• Symbolic computations using Maple & Mathematica
Selected Publication List
• H. M. Habib and E. R. El-Zahar, (2007), An algorithm for solving singular perturbation problems with mechanization, Applied Mathematics and Computation, 188, 286-302.
• H. M. Habib and E. R. El-Zahar, (2008), Variable step size initial value algorithm for singular perturbation problems using locally exact integration, Applied Mathematics and Computation, 200, 330–340.
• H. M. Habib, and E. R. El-Zahar, (2010), A new Algorithm for Solving Nonlinear Stationary Shock Problems with Mechanization, Applied Mathematics and Information Sciences ,4(1), 31–45.
• E. R. EL-Zahar and Y. S. Hamed,(2011), An Algorithm for Solving Second Order Nonlinear Singular Perturbation Boundary Value Problems, Journal of Modern Methods in Numerical Mathematics, 2(1-2), 21–31.
• Y. S. Hamed, M. Sayed, S. K. Elagan and E.R.EL-Zahar, (2011), The Improved (G//G)-Expansion Method for Solving (3+1)-Dimensional Potential-YTSF Equation, Journal of Modern Methods in Numerical Mathematics, 2(1-2), 32–38.
• E. R. El-Zahar and H. M. Habib, (2012), Mathematical modeling of heat-transfer for a moving sheet situated in a moving cooling fluid with application to sheet industry, International Journal of Physical and Mathematical Sciences, 3(1),112-116.
• A. M. N. Ebady, H. M. Habib and E. R. El-Zahar, (2012), A Fourth Order A-Stable Explicit One-Step Method for Solving Stiff Differential Systems Arising in Chemical Reactions, International Journal of Pure and Applied Mathematics, 81(6), 803-812.
• E. E. El Behady and E. R. El-Zahar,(2012), Vibration reduction and stability study of a dynamical system under multi-excitation forces via active absorber, International Journal of Physical Sciences, 7(48), pp. 6203-6209.
• M. Modather M. Abdou and E. R. EL-Zahar,(2012), Variable Viscosity Effect on Heat Transfer over a Continuous Moving Surface with Variable Internal Heat Generation in Micropolar Fluids, Applied Mathematical Sciences, 6(128), 6365 – 6379.
• E. R. EL-Zahar, (2012), Approximate Analytical Solutions for Singularly Perturbed Boundary Value Problems by Multi-Step Differential Transform Method, Journal of Applied Sciences, 12 (19): 2026-2034.
• E. R. EL-Zahar, (2012), An Adaptive Step-Size Taylor Series Based Method and Application to Nonlinear Biochemical Reaction Model, Trends in Applied Sciences Research, 7(11), 901-912.
• E. R. El-Zahar and H. M. Habib, (2013), Mathematical Modeling of Heat-Transfer for a Moving Sheet in a Moving Fluid, Journal of Applied Fluid Mechanics, 6(3), 369-373.
• E. R. El-Zahar and S. M. M. EL-Kabeir, (2013), A new method for solving singularly perturbed boundary value problems, Applied Mathematics and Information Sciences., 7(3), 927-938.
• E. R. EL-Zahar, (2013), Approximate analytical solutions of singularly perturbed fourth order boundary value problems using differential transform method, Journal of King Saud University (Science), 25(3), 257–265.
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