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How to use this Calculator?
You can import your model in the STL format, then determine the refinement box and blockMesh size using the percentage. Before you generate the mesh, please check your direction of the flow and the top direction, which will determine the size and orientation of the blockMesh.
Coordinates: X = Red, Y = Green, Z = Blue.
This calculator is designed for ground vehicle simulation, the ground coordinate will always the same as minimum object coordinate.
Click “Generate Mesh” to download your coordinates in the blockMeshDict and snappyHexMeshDict files.
Please note that this calculator only calculates the vertices’ coordinates, refinement region coordinates, and location in mesh coordinates; adjust the other parameters such as the boundary conditions, resolutions, object name, etc., based on your problem.

Download Simulation Template
This web calculator is part of tensorCFD project, which is development of OpenFOAM templates for industrial applications. You can download the full template to simulate the ground vehicle aerodynamics here: