[Trilinos-Users] ilut

Danielle Catherine Maddix dcmaddix at stanford.edu
Fri Jan 22 13:20:43 EST 2016


I am solving a FSI finite element matrix vector system.  I am using GMRES with glut in AztecOO.  It appropriately solves it for 1,2 and 4 processors on my local machine, which with 3 processors it cannot bring the residual down below 1e-1.  I was wondering if this could be an issue with the ilut preconditioner, since it says convergence depends on the domain decomposition, or if it is possible there is a bug in my code?


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