Final Report on Subcontract B591217: Multigrid Methods for Systems of PDEs

Xu, J ; Brannick, J J ; Zikatanov, L

Lawrence Livermore National Laboratory

关键词: Partial Differential Equations;    Algebra;    Relaxation;    Performance;    97 Mathematical Methods And Computing;   

DOI  :  10.2172/1035295
RP-ID  :  LLNL-SR-508891
RP-ID  :  W-7405-ENG-48
RP-ID  :  1035295

美国|英语

来源: UNT Digital Library

【 摘 要 】

Progress is summarized in the following areas of study: (1) Compatible relaxation; (2) Improving aggregation-based MG solver performance - variable cycle; (3) First Order System Least Squares (FOSLS) for LQCD; (4) Auxiliary space preconditioners; (5) Bootstrap algebraic multigrid; and (6) Practical applications of AMG and fast auxiliary space preconditioners.