An Efficient Framework for Analysis of Wire-Grid Shielding Structures over a Broad Frequency Range
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A computationally efficient MoM-based framework for broadband electromagnetic simulation of wire-grid shielding structures is presented in the paper. Broadband capability of the approach is attained through supporting MoM by an adaptive frequency sweep combined with rational interpolation of the observable implemented via Stoer-Bulirsch algorithm. The performance increase is gained by employing CUDA-enabled CPU+GPU co-processing. For large-size problems exceeding the amount of memory available on the GPU device, a hybrid out-of-GPU memory LU decomposition algorithm is employed. The demonstration examples are provided to illustrate the the accuracy and high efficiency of the approach.
Typ dokumentuRecenzovaný dokument
Zdrojový dokumentRadioengineering. 2016 vol. 25, č. 4, s. 629-636. ISSN 1210-2512
- 2016/4