Cubic Spline Iterative Method for Poisson’s Equation in Cylindrical Polar Coordinates
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Using nonpolynomial cubic spline approximation in x- and finite difference in y-direction, we discuss a numerical approximation of O(k2+h4) for the solutions of diffusion-convection equation, where k>0 and h>0 are grid sizes in y- and x-coordinates, respectively. We also extend our technique to polar coordinate system and obtain high-order numerical scheme for Poisson’s equation in cylindrical polar coordinates. Iterative method of the proposed method is discussed, and numerical examples are given in support of the theoretical results.
1991 ◽
Vol 11
(2)
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pp. 261-270
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2008 ◽
Vol 46
(1)
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pp. 397-418
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2011 ◽
Vol 35
(6)
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pp. 3036-3047
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1987 ◽
Vol 27
(3)
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pp. 147-152
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