STL Disappears in Fluent Mesh? Here's What's Really Happening (ICEM Users)

 The STL file itself won't be visible in Fluent after meshing in ICEM. Here's what's happening and how to ensure your geometry is represented in the mesh:

Understanding the Process:

• ICEM imports the STL file as a surface definition for your computational domain.
• The mesh is created based on this surface definition, not the actual STL file data.
• Fluent reads the mesh information from ICEM, which defines the volume and boundaries of your domain.

What you see in Fluent:

You'll see the meshed representation of your domain in Fluent, not the original STL file. The mesh captures the geometry defined by the STL surface.

Solving the "Missing STL" Issue:

There's no problem to solve; the STL file served its purpose in ICEM by defining the surface for mesh generation. What you see in Fluent is the actual mesh representing the geometry you defined with the STL.

Verification Tips:

• Visually inspect the mesh in Fluent: You should see a mesh that reflects the shape of your original STL geometry.
• Check boundary conditions: If you applied boundary conditions based on the STL surface in ICEM, they should be applied to the corresponding faces in the Fluent mesh.

Additional Notes:

• If you need to see the original STL for reference purposes within Fluent, you can't directly import it. You would need to use a separate CAD program to visualize the STL alongside the mesh.

I hope this clarifies the process and alleviates any concerns about the "missing" STL file in Fluent.