algebraic multigrid vs geometric multigrid -- CFD Online Discussion Forums

December 30, 2012, 15:01	algebraic multigrid vs geometric multigrid	#1
Anna Tian Senior Member Meimei Wang Join Date: Jul 2012 Posts: 494 Rep Power: 15	Hi, What is the advantages and disadvantages of Algebraic Multigrid compared with Geometric Multigrid? From my experience, algebraic multigrid is much slower than geometric multigrid. Is that always true? Why? __________________ Best regards, Meimei

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