Setting mu_p_1, mu_n_1, Dp_1, and Dn_1 to zero at the faces of the insulating cells should prevent any flux of charge into those cells. Those coefficients should be set as FaceVariables and assigned to coeff= in the Terms, rather than multiplying outside the Term.
> On Mar 30, 2020, at 3:20 PM, Justin Pothoof <jpoth...@uw.edu> wrote: > > I'm working on drift-diffusion simulation and am having difficulties setting > up boundary conditions to describe my system. I have the bare bones of the > system attached in a .txt file. > > I have the potential on the left constrained to 9 and on the right to 0 to > reflect applying a 9V bias to the system. Now, what I want to include is > essentially an insulating layer to the left and right side.. let's say 10 > mesh cells on both sides. So, I don't want any positive or negative charges > to start in those cells, or be able to flow into those cells. Is that > possible? I've tried extracting the mesh face values and constraining Pion > and Nion to be zero in those cells, but that didn't seem to run properly. Any > advice? > > Justin Pothoof > The University of Washington - Department of Chemistry > Pre-Candidacy PhD Student > Ginger Group > <Drift Diffusion.txt>_______________________________________________ > fipy mailing list > fipy@nist.gov > http://www.ctcms.nist.gov/fipy > [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ] _______________________________________________ fipy mailing list fipy@nist.gov http://www.ctcms.nist.gov/fipy [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ]
