How to save and resume simulations? about fluidx3d

[rodionstepanov]

Hi @ProjectPhysX ! Thanks for explanation. I agree the full checkpoints is too expensive but why don't take velocity field form stored data file and generate the density distribution functions as for an initial state?

[ProjectPhysX]

Yes you can do that, use the .vtk output of one simulation as starting conditions for another. A .vtk loading/import function is not yet implemented but you can reverse-engineer the write_vtk() storing/export function.

[ProjectPhysX]

Hi @rodionstepanov,

this is not (yet) possible. Full checkpoints would need storing the density distribution functions too, basically a full dump of VRAM, which means checkpoints would be gigantic in file size. And extension support would be rather complicated.
Since simulation runtime is a only few hours at most, I decided not to implement checkpoints in the near future.

Regards,
Moritz