Qing, 2018-01-12 13:00 GMT-05:00 Qing Yin <[email protected]>:
> OK, let's see the simple example in step-3. From a physical viewpoint, > this is a steady-state heat equation without a heat source. Then we hope > there is a particular line area inside, where the temperature is, for > example, 1. In other place, the initial temperature is 0. Under this > condition, we solve the equation and get the temperature distribution > around this line area. Why am I concered about this? Because I have a > benchmark problem which needs the similar inner boundary conditions. > Wolfgang already answered but another way to do it is to use a ConstraintMatrix to constraint the value degrees of freedom on the line. This is equivalent of imposing a Dirichlet boundary condition but you need to build the ConstraintMatrix by hand instead of letting deal do it for you. Best, Bruno -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
