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International Journal of Scientific and Engineering Research
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ISSN Print: 2229-5518 5    
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scirp IJSER >> Volume 2, Issue 5, May 2011 Edition
Crank-Nicolson scheme for numerical solutions of two-dimensional coupled Burgers’ equations
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Vineet Kumar Srivastava, Mohammad Tamsir, Utkarsh Bhardwaj, YVSS Sanyasiraju
Burgers’ equations; Crank-Nicolson scheme; finite- difference; Newton’s method; Reynolds number
The two-dimensional Burgers’ equation is a mathematical model to describe various kinds of phenomena such as turbulence and viscous fluid. In this paper, Crank-Nicolson finite-difference method is used to handle such problem. The proposed scheme forms a system of nonlinear algebraic difference equations to be solved at each time step. To linearize the non-linear system of equations, Newton’s method is used. The obtained linear system is then solved by Gauss elimination with partial pivoting. The proposed scheme is unconditionally stable and second order accurate in both space and time. Numerical results are compared with those of exact solutions and other available results for different values of Reynolds number. The proposed method can be easily implemented for solving nonlinear problems evolving in several branches of engineering and science.
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