The problem I have is as follows:
Suppose I have a sphere that I wish to cut into two parts. I wish to do two things:
(i) Create a mesh in this case that is continuous, where this means: (1) The nodes are continuous along the contact face between the two hemispheres, ie. elements across the boundaries will share that nodes that lie on the surface , and (2) the elements of each hemisphere cannot cross this contact surface. Furthermore, I wish to do this without having to use any “contact” constraints, and I also wish to be able to do this where the two hemispheres have different coarseness in their meshes.
(ii) The top half will be of one material, and the bottom half will be of another.
I will also mention that I import my CAD design from Onshape. As for (ii), I can easily do this by creating the sphere as two separate parts in Onshape, and can then individually select each one with a different material during my simulation. However, with (i), it seems that what I want to do is perform a mesh over one entire volume, but also keep the two parts separate , so that I can still define two materials (but I have yet to see how I can do this). I have tried to add a mesh refinement that includes just the faces in contact, but it is quite clear that it doesn’t make it continuous still.
Any thoughts on how to do this will be much appreciated. Thanks in advance,