A New Integrator of Runge-Kutta Type for Directly Solving General Third-order ODEs with Application to Thin Film Flow Problem

2018 ◽  
Vol 12 (4) ◽  
pp. 775-784
Author(s):  
F. A. Fawzi ◽  
N. Senu ◽  
F. Ismail ◽  
Z. A. Majid
2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
M. Mechee ◽  
N. Senu ◽  
F. Ismail ◽  
B. Nikouravan ◽  
Z. Siri

In this paper, a three-stage fifth-order Runge-Kutta method for the integration of a special third-order ordinary differential equation (ODE) is constructed. The zero stability of the method is proven. The numerical study of a third-order ODE arising in thin film flow of viscous fluid in physics is discussed. The mathematical model of thin film flow has been solved using a new method and numerical comparisons are made when the same problem is reduced to a first-order system of equations which are solved using the existing Runge-Kutta methods. Numerical results have clearly shown the advantage and the efficiency of the new method.


IEEE Access ◽  
2021 ◽  
pp. 1-1
Author(s):  
Mohammad T. Haweel ◽  
O. Zahran ◽  
Fathi E. Abd El-Samie

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