On Sat, Jul 16, 2016 at 10:11 PM, Barry Smith <[email protected]> wrote:
> > > On Jul 14, 2016, at 12:21 PM, domenico lahaye <[email protected]> > wrote: > > > > Dear PETSc team, > > > > 1) I am looking into ks/examples/tutorials/ex42.c I am still new to the > DMDA structure > > and likely not giving it as much time as it deserves. However, I do > not see immediately > > what function is responsible for calling PCMGSetSmoother and > PCMGSetResidual. > > > > I tried to call PCMGGetCoarseSolve(pc, &kcpc) and subsequently > > KSPGetOperators (kspc, ... ) to check how the coarse grid operator > is defined > > after calling DMCoarsenHierarchy, but that failed. > > > > I am solving Helmholtz with shifted Laplace, and managed to exploit > DMDA to perform > > a multigrid solve on the preconditioner. In a next stage I want to > implement the deflation > > using DMDA as well. > > > > 2) On http://www.mcs.anl.gov/petsc/documentation/referencing.html I see > > > > @Misc{petsc-web-page, > > author = {Satish Balay and Shrirang Abhyankar and Mark~F. > Adams and Jed Brown and Peter Brune > > and Kris Buschelman and Lisandro Dalcin and Victor > Eijkhout and William~D. Gropp > > and Dinesh Kaushik and Matthew~G. Knepley > > and Lois Curfman McInnes and Karl Rupp and > Barry~F. Smith > > and Stefano Zampini and Hong Zhang and Hong Zhang}, > > title = {{PETS}c {W}eb page}, > > url = {http://www.mcs.anl.gov/petsc}, > > howpublished = {\url{http://www.mcs.anl.gov/petsc}}, > > year = {2016} > > } > > > > > > > > Is the last author mentioned twice intentionally? > > > > 3) On > http://www.mcs.anl.gov/petsc/publications/petscapps-bib.html#OpenFOAM%202.2.1 > I see > > > > @misc{OpenFOAM > > , > > > > > > title = "OpenFOAM", > > > > howpublished = "\url{http://www.openfoam.com}";, > > > > url = {http://www.openfoam.com}, > > > > note = "OpenFOAM is a free, open source CFD software package. It > allows PETSc linear algebra and solvers to be used underneath.", > > > > key = "OpenFOAM 2.2.1" > > > > } > > > > > > Do you have more information on the use of PETSc within OpenFoam? > > Very good question. It seems that this citation is wrong or no longer > valid; I have removed it from the PETSc repository. I could find no mention > of PETSc usage in the OpenFoam and its third party packages. I think we > should not have been listing this citation. This suggests that people are using it with OpenFOAM: http://powerlab.fsb.hr/ped/kturbo/OpenFOAM/slides/PatersonNuTTS2009.pdf In fact, they use PETSc in the dynamic overset grid implementation for OpenFOAM, which I think is an approved extension: http://web.student.chalmers.se/groups/ofw5/Abstracts/DavidBogerAbstractOFW5.pdf Matt > > Barry > > > > > 4) @matt in response to a question he raised in Vienna > > > > MIPSE is a BEM solver. Details are on: > > > http://www.g2elab.grenoble-inp.fr/plateforms/mipse-modeling-of-interconnected-power-systems-632862.kjsp?RH=G2ELAB_R-MAGE > > > > Cheers, Domenico Lahaye. > > > > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
