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Characteristic finite difference fractional step methods for three-dimensional semiconductor device of heat conductionDOI: 10.1007/BF02884655 Keywords: semiconductor device,Three-dimensional heat conduction,parallel characteristic finite differences,fractional steps,L2 error estimate Abstract: The mathematical model of the semiconductor device of heat conduction has been described by a system of four equations. The optimal order estimates in L2 norm are derived for the error in the approximates solution, putting forward a kind of characteristic finite difference fractional step methods.
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