waterfall

external aerodynamics · local solver

Drop an STL here

or · .stl .obj .ply

Recent geometry

geometry

Orientation

Which STL axis points downstream. Guessed from the bounding box: check the preview. A wrong axis still produces a plausible drag number.

Units Scale Axis order

Real length of the part, nose to tail (m)

Flow & domain

Speed (m/s) Resolution (cells along body)

Flow time (body passes) Frames

Ground plane Rolling road

Ground clearance (m, blank = centred)

Orientation preview: is the flow hitting the right face?

orientation preview

Nothing running. Start one from New run.

No runs yet.

run