Re: [deal.II] Using some delta_t in embedded RK

2024-06-14 Thread Tomas Fernandez Bouvier
Yes! Cannot wait for the next release. I tried to download and compile the unreleased example but there were errors. Thank you for your help! Le jeudi 13 juin 2024 à 18:36:49 UTC+3, Wolfgang Bangerth a écrit : > On 6/13/24 03:02, Tomas Fernandez Bouvier wrote: > > > > Could you share the solut

Re: [deal.II] Using some delta_t in embedded RK

2024-06-13 Thread Wolfgang Bangerth
On 6/13/24 03:02, Tomas Fernandez Bouvier wrote: Could you share the solution ? I would like to implement timestepping using petsc in step-26 and it doesnt seem trivial to me. I didn't find any example. You will be interested in this pull request which I still hope we can get into the next r

Re: [deal.II] Using some delta_t in embedded RK

2024-06-13 Thread Tomas Fernandez Bouvier
Hi, Could you share the solution ? I would like to implement timestepping using petsc in step-26 and it doesnt seem trivial to me. I didn't find any example. Thank you Le dimanche 21 avril 2024 à 14:25:57 UTC+3, Praveen C a écrit : > > With the embedded RK in dealii, I could still control thi

Re: [deal.II] Using some delta_t in embedded RK

2024-04-21 Thread Praveen C
With the embedded RK in dealii, I could still control this by resetting max_delta whenever I want to use a fixed delta_t. Thanks, I will check out Petsc TS which I have some experience with. I have to still use same method as above, reset max_delta. Arkode seems to give a output_period variab

Re: [deal.II] Using some delta_t in embedded RK

2024-04-20 Thread Wolfgang Bangerth
On 4/20/24 06:05, Praveen C wrote: I am using embedded RK scheme https://www.dealii.org/current/doxygen/deal.II/classTimeStepping_1_1EmbeddedExplicitRungeKutta.html which chooses the time step in some adaptive manner. I also want to save solution to file at some intervals, e.g., at t = 1.0, 2.

[deal.II] Using some delta_t in embedded RK

2024-04-20 Thread Praveen C
Hello I am using embedded RK scheme https://www.dealii.org/current/doxygen/deal.II/classTimeStepping_1_1EmbeddedExplicitRungeKutta.html which chooses the time step in some adaptive manner. I also want to save solution to file at some intervals, e.g., at t = 1.0, 2.0, etc for which sometimes I