Mesh-based multi-frontal solver with reuse of partial LU factorizations for antenna array

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• 作者：Ignacio Martinez-Fernandez^a ; ^{ignafer@tsc.uc3m.es}Author Vitae ; Maciej Wozniak^b ; ^{macwozni@agh.edu.pl}Author Vitae ; Luis E. Garcia-Castillo^a ; ^{luise@tsc.uc3m.es}Author Vitae ; Maciej Paszynski^b ; ^{paszynsk@agh.edu.pl}Author Vitae
• 关键词：Multi-frontal direct solver ; Antenna array ; Mesh-based solver ; Schur complements ; Reuse of LU factorizations
• 刊名：Journal of Computational Science
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：18
• 期：Complete
• 页码：132-142
• 全文大小：2725 K
• 卷排序：18

文摘

A multi-frontal solver that can massively reuse computations performed over identical sub-domains for a number of applications. Test of the solver on the problem of arrays of antennas. Comparison to the execution time of the traditional sparse matrix-based multi-frontal solver called for the entire domain.