Novel subgridding technique for the analysis of optical devices |
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Authors: | Ł A Greda R Pregla |
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Institution: | (1) FernUniversität, D-58084 Hagen, Germany |
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Abstract: | A novel subgridding algorithm for the Method of Lines is presented. It enables to refine a mesh in subgridded regions by any positive integer number. High-accuracy of the proposed algorithm is achieved by second-order finite difference operators. The interpolation of the missing field components at the interface coarse/fine grid is performed with second-order accuracy as well. Numerical results are provided to check the accuracy of the proposed formulation. |
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Keywords: | method of lines nonequidistant discretization subgridding |
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