HarryvL wrote: ↑Thu May 24, 2018 5:38 pmI would try the last option first.bernd wrote: ↑Thu May 24, 2018 4:07 pmHarryvL wrote: ↑Thu May 24, 2018 10:11 amI have not tried Bernd, but yes that's what is done internally in CCX. 1D and 2D elements get expanded into 3D first and then a beam or shell hinge is implemented through a knot. Not sure if/how this can be specified or controlled by the CCX user.
Alternatively you could try to connect two solids at a common edge? As solid element nodes have no rotational stiffness, this would effectively create a hinge.
We may missunderstood. About 1D and 2D analysis this is known ...
No I mean assumed you have a slab and a wall in 3D solid elements, but for some reason there should be a weak connection because there is only really rare reinforcement. Thus one needs to modell a hinge connection between them. But a hinge in 3D analysis is not possible. Thus my idea was to add a material between them with some weak youngs modulus. Or is it better to split the objects and connect the mesh faces by a special element? Or only connect the at an edge and not with a face.