https://docs.petsc.org/en/latest/manual/ts/
> On Nov 8, 2020, at 9:51 PM, Edoardo alinovi <[email protected]> wrote: > > Hello PETSc friend, > > I hope you are all good and safe! > > During these few days I have been exploring the possibility to use TS for the > time integration of the momentum equation in my finite volume solver. > Actually I am doing this job with my own routines, however they are quite > limited with respect to all the implicit and explicit methods that TS kindly > provides. > > after the space discretization, my equation takes the form: > > dudt = Au + b, > > where A and b are both known. > > I have several question being a beginner on TS, however at this stage I > would like to ask the following questions: > > - Is TSSetRHSJacobian setting the matix A, while TSSetRHSFunction setting the > vector? > > - if the first question is yes, do I need to do additional operation to solve > the equation implicitly? > > Many thanks for the suggestions! > > Edoardo > > >
