Re: [petsc-users] Error while checking with ex19 after intallation

Googling these messages find other people who have received similar messages while working Microsoft Windows and MPI but nothing particularly helpful I could find. I am guessing an incompatibility between the Microsoft MPI and cl compiler you are using. I suggest installing the very

[petsc-users] Error while checking with ex19 after intallation

Hi, Recently, I finally installed PETSc with Cygwin and obtained library files. However, the test of Ex19 was failed, both with 1 MPI and 2 MPI. The MPI used is MSMPI. The detailed message printed is $ make PETSC_DIR=/cygdrive/d/mypetsc PETSC_ARCH="" check Running check examples to verify

Re: [petsc-users] Questions on CPR preconditioner

It is pasted below > On Jun 25, 2023, at 1:40 PM, Edoardo alinovi > wrote: > > Hi Barry, > > thanks for pointing me out to that discussion! Unfortunately I am getting > issues with this link: > http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20190302/b0c1ad29/attachment.mht > ,

Re: [petsc-users] Questions on CPR preconditioner

Hi Barry, thanks for pointing me out to that discussion! Unfortunately I am getting issues with this link: http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20190302/b0c1ad29/attachment.mht , any chance it is a dead one? Cheers

Re: [petsc-users] Questions on CPR preconditioner

There is a thread https://lists.mcs.anl.gov/pipermail/petsc-dev/2019-March/023999.html here that contains some attached code (follow the links RL: ). > On Jun 25, 2023, at 9:36 AM, Edoardo

Re: [petsc-users] Questions on CPR preconditioner

Thanks Matt, This approach looks interesting, It would be great for me to have a look at a minimal example and try it out. Barry, are you there?  Cheers

Re: [petsc-users] Questions on CPR preconditioner

On Sun, Jun 25, 2023 at 9:21 AM Edoardo alinovi wrote: > Hello petsc's friends > > I have a curiosity about a sentence in the user guide about CPR > preconditioner: > > *"**The Constrained Pressure Preconditioner (CPR) can be implemented > using PCCOMPOSITE >

[petsc-users] Questions on CPR preconditioner

Hello petsc's friends I have a curiosity about a sentence in the user guide about CPR preconditioner: *"**The Constrained Pressure Preconditioner (CPR) can be implemented using PCCOMPOSITE with PCGALERKIN