Interface problem

General Discussion
1

Hello everyone, I would like to ask if the interface problem can be solved in FreeFem? The true solution u is sharded. Like the numerical example shown in the picture below. If possible, can you send me an example? Grateful！

image
image1264×510 52.2 KB

2

Yes, This is trivial

a first solution not validated

PoissonJUmp.edp (395 Bytes)

3

Thank you very much for your reply！