Are you working from a particular example, or writing your own code from scratch?
> Am 03.02.2021 um 18:11 schrieb Stefano Zampini <[email protected]>: > > Cannot say anything if you don't provide a minimal code we can run to > reproduce the issue > > Il giorno mer 3 feb 2021 alle ore 20:07 Sepideh Kavousi <[email protected] > <mailto:[email protected]>> ha scritto: > Hello, > I have a very stupid problem that I am really ashamed of asking but it has > been with me for days and I do not know what to do. I want to solve the > Javier stokes equation with finite difference method. When I wanted to run > the code, the snes norm value does not change and i get an error for timestep > convergence. I thought I might do something wrong so, I tried to simplify > the equation I want to solve to an easy form, given as: > u_t=u_x +u_y > Where _t is the time derivative and _x and _y are the derivative in x and y > direction. When I want to solve this problem, it still does not do anything > at all and the snes function norm is zero all the time. I know I am missing > something but does anyone have any idea what should I check in my code. The > answers does not change with time. > Best, > Sepideh > > > Get Outlook for iOS <https://aka.ms/o0ukef> > > -- > Stefano
