generative modeling for Rhino
Although that article seems to mix up a few concepts, here are couple of tools which may be employed in generative formfinding for shells such as the referred Heinz Isler pavilion and the Great Court Roof:
If you search the Kangaroo sub-forum here you should find plenty of examples.
thanks for the link on the optimization of the structure gridshell form, this is what you need. And there are options to build a snail shell shape?