mathieumorlighem Hi Veronika, there is no lateral friction implemented in ISSM. Only basal friction can be applied. For the sides, you have to either use Dirichlet conditions or use md.mask.icelevelset to have water pressure applied. You cannot have a non penetration condition along the side walls of a fjord for example. Mathieu
nika Hi Mathieu, thank you does this mean that when the ice is flowing in a channel there is no influence of the wall on the calculation of the stresses? so there are no shear stresses?
mathieumorlighem It depends on your boundary conditions (plotmodel(md,'data','BC')). For this case, we generally prescribe the velocity on the sides of the channel, using observations or we set the velocities as 0 (using md.stressbalance.spcvx, etc).
