Author(s): Kolchlro Ohgushi; Toshlmltsu Komatsu; Kojl Asai
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Abstract: In this paper it is found that a pure advection equation is computed precisely and easily by using newly developed finite difference method. This new finite difference method is derived from discretizing a 2nd order wave equation instead of 1st order pure advection equation. From many numerical experiments, parameters κ and θ involved in this method could be determined as functions of α. This method has both accuracy like the characteristics methods and flexibility of application like other standard finite difference methods.
Year: 1991