[deal.II] Re: Help with the weak form

Thank you Bruno. Dragan On Friday, September 9, 2016 at 1:07:19 PM UTC+1, Bruno Turcksin wrote: > > Dragon, > > On Friday, September 9, 2016 at 7:02:15 AM UTC-4, dragn...@gmail.com > wrote: >> >> Thank you Denis. >> >> I tried that. The function log(c/(1-c)) looks like: >> >> >>

[deal.II] Re: Help with the weak form

Dragon, On Friday, September 9, 2016 at 7:02:15 AM UTC-4, dragniko...@gmail.com wrote: > > Thank you Denis. > > I tried that. The function log(c/(1-c)) looks like: > > > >

[deal.II] Re: Help with the weak form

Thank you Denis. I tried that. The function log(c/(1-c)) looks like: and it is difficult to linearise in the whole range. And the assembled matrices are solved out of deal

[deal.II] Re: Help with the weak form

Hi Dragan, Did you do a literature review to see what researchers are doing in your field? Most likely you need to linearize it w.r.t. to "c" so that you will be solving for \Delta c around some points c_0 employing something like Newton-Raphson method. Regards, Denis. On Thursday, September