Are you using DMDA or DMPLEX or some other DM? Does the Poisson equation change (variable coefficient) or is it a constant coefficient with the same values for all solves? ex29.c could still possibly serve as a model for the Poisson subproblem, why do you say it is no longer valid?
Barry > On Apr 8, 2015, at 10:18 PM, TAY wee-beng <[email protected]> wrote: > > Hi, > > I was following example ex29 in the past to write the code to solve my > Poisson eqn using DM. Now it seems that ex29 is no longer valid. Which > example should I follow now? > > Also, I am using KSPBCGS to solve my momentum eqn in the past. Do I need to > change much if I'm now using DM? If so, what is a good example? > > -- > Thank you > > Yours sincerely, > > TAY wee-beng >
