Automatic input file (.in) generation

Problem

I have a larger vascular tree that contains thousands of small vessels. I am trying to use a 1D solver for this vascular tree but I could not generate an input file (.in).

I try to use VMTK to extract the network from the vascular tree and get the nodes of vascular networks. but for joints and segments, I don't know how to define them to be recognised in the 1D solver.

Please give me some advice. Many thanks.

Regards,
Jamie

Solution

Automatic input file (.in) generation from large surface file (.stl)

Additional context

No response

Code of Conduct

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Start by reviewing the VMTK extraction output and the solver's .in format, focusing on how vascular joints and segments are represented from an STL surface. Done would be an automatic generation path for large vascular networks that produces a valid input file for the 1D solver; no source files or tests are named in the issue.