Difficulty: Simple (TRIAL/PRO versions only)
The cross sections of a concrete shell bridge with an arc form are optimized. A mesh load runs along the center of the bridge. Custom colours can be plugged into the ModelViewer for the mesh preview. To view in the TRIAL version, set the Mesh Resolution to 6 and the Edge Refinement Factor to 1.
Get the grasshopper definition here: 02_ShellCrossSectionOptimization.gh
This example uses Karamba 1.2.0.