OK, You said you are trying to solve NS eqs. Are you using a pressure projection-like method? In that case, is the matrix of your pressure problem much different than the Laplacian one? How do you handle the pressure 'rigid-body' mode?
On 4/16/08, M?rcio Ricardo Pivello <pivello at gmail.com> wrote: > Hi, Lisandro. I must apologize for not answering. I read your email and > changed my code, but then I went through a different path. I'm trying to > call the preconditioner from the command line, without any mention to it in > the source code. It should take a couple of hours to get some results and > then, if it doesn't work, I'll change the code. > > > Thank you very much. > > > M?rcio Ricardo > > > > > > > > On Tue, Apr 15, 2008 at 8:43 PM, Lisandro Dalcin <dalcinl at gmail.com> wrote: > > > Sorry for my insistence, but... Did you see my previous mail? The code > > you wrote is not OK. You have to first create the KSP, next extract > > the PC with KSPGetPC, and then configure the PC to use HYPRE+BoomerAMG > > > > To be sure you are actually being using hypre, add -ksp_view to command > line. > > > > > > > > > > > > On 4/15/08, M?rcio Ricardo Pivello <pivello at gmail.com> wrote: > > > Hy, Matthew, thanks for your help. > > > > > > Firstly, I'm solving a 3D Incompressible Navier Stokes solver based on > FEM, > > > with fluid-structure interaction. In this case, I'm simulating the blood > > > flow inside an aneurysm in an abdominal aorta artery. > > > By not working I mean the error does not decrease with time. Our team > is > > > just starting using HYPRE, in fact this is the very first case we run > with > > > it. > > > > > > > > > Again, thanks for your help. > > > > > > > > > M?rcio Ricardo. > > > > > > > > > > > > > > > -- > > > > > > > > Lisandro Dalc?n > > --------------- > > Centro Internacional de M?todos Computacionales en Ingenier?a (CIMEC) > > Instituto de Desarrollo Tecnol?gico para la Industria Qu?mica (INTEC) > > Consejo Nacional de Investigaciones Cient?ficas y T?cnicas (CONICET) > > PTLC - G?emes 3450, (3000) Santa Fe, Argentina > > Tel/Fax: +54-(0)342-451.1594 > > > > > > -- Lisandro Dalc?n --------------- Centro Internacional de M?todos Computacionales en Ingenier?a (CIMEC) Instituto de Desarrollo Tecnol?gico para la Industria Qu?mica (INTEC) Consejo Nacional de Investigaciones Cient?ficas y T?cnicas (CONICET) PTLC - G?emes 3450, (3000) Santa Fe, Argentina Tel/Fax: +54-(0)342-451.1594
