I'll try that way, thanks y'all. I still have a problem whether mesh the wall or do not do it. but I think i'll mesh both of them. And about what you said amadeus, i'll use it for sure.
saludos don pato.
I have a problem with the slabs automeshing property. When I do it over a beam, the beam is automatically connected to the slab, equivalent nodal loads are applied to it and deformation compatibility is achieved. But if I do that with a slab over walls (i.e. a slab beared over four walls) this...