Model generation in CAD

An optimization always starts with a Design that is either an already existing model that needs modification or a new design. The optimization needs a design space and nondesign spaces, which experience the boundary conditions. Further information here.

To seperate and create these different geometries the following steps are necessary:

1. Geometry model for the optimization problem:
   
2. Creating seperate solids for the nondesign spaces:
   
   1. A separate solid must be created for each boundary condition because the boundary conditions always effect the whole volume it is referring to.
      The nondesign spaces are marked in red.
      
      
      The design space contains the material which will be considered in the optimization as well as the nondesign spaces. This combination is necessary for the intersection function in each iteration. If the design space doesn't contain the nondesign spaces, the intersection function will remove these spaces from the result as well.
   2. The solids must be named individually.
      
3. Create an Assembly:
   
   1. Command SolidWorks: Save body
   2. Select all bodies
   3. Select "continue visual properties".
   4. Create Assembly: Browse
   5. Save to the suitable folder
      
   6. Check the box to confirm. Choose "Ja"
      
   7. Rebuild and save document
      
      
4. Transformation into stl files: Open assembly and save as stl