Kangaroo is a Live Physics engine for interactive simulation, form-finding, optimization and constraint solving.

This isn’t as helpful as I’d like to be, certainly if you can get an appropriate mesh in Rhino/Grasshopper, Geometry Gym can help automate the assignment of material, thickness, loading and other attributes by creating a grasshopper script to assign this (if you don’t want to do these steps manually).Weaverbird (image retrieved from Karamba3D is a parametric structural engineering tool which provides accurate analysis of spatial trusses, frames and shells. And there isn’t lots of control on transitions, refined meshing at points of interest, aspect ratios and the like that a FE mesher in software such as LUSAS or Strand7 would permit to be configured. The difficulty being it’s not practical (in my experience) to get coincident vertex on shared edges when surfaces are not joined. The rhino meshing implementation is primarily focussed on visualization, and with some care it might be possible to generate analysis friendly mesh (but likely not optimal). The other option is use Rhino to mesh the geometry. At Geometry Gym, we do provide tools to facilitate this type of model conversion. Personally I have used LUSAS or Strand7 to mesh the model even when analyzing the file in more conventional structural analysis software. So I would suggest the best approach is to mesh the model in Rhino/Grasshopper. And it doesn’t recognize trims on adjacent planar surfaces. You’ll see some geometry come across if you use IGES export directly from your 3dm file, but it seems to have a hard coded conversion to facet the geometry to planar surfaces (which might or might not be acceptable). You have a good idealized surface model (rather than say a collection of solid polysurfaces that are not easy to idealize to structural analysis surfaces). Most structural analysis software are typically supporting planar elements (ie typical walls and slabs), and have limited support for nurbs faces or trims / edge curves. Your particular model geometry is not trivial to transfer.

Karamba rhino 6