Hi Pierre, Thank you for your suggestion, I now implemented a quick and dirty version fixing the value of the field at the required points, but what you suggest seems like a more elegant solution, I will try it later and see how it compares.
Adrian. > Hello, > > In general, defining a singular problem (such as a point source - dirac delta) > may lead to unexpected numerical results. An alternative may be to define a > circle geometry with a hole at the arbitrary location that you wish. The hole > may be small but not infinetesimal. The boundary of the hole being set to a > fixed > value. You may use gmsh to generate the mesh. > > Pierre > _______________________________________________ fipy mailing list [email protected] http://www.ctcms.nist.gov/fipy [ NIST internal ONLY: https://email.nist.gov/mailman/listinfo/fipy ]
