bluemira.codes.fast_ctd.pipeline

Pipeline for converting STEP files to DAGMC models using fast_ctd.

Functions

_run_check_or_make_watertight(dagmc_file, ...)

step_to_dagmc_pipeline(→ list[str])

Convert a STEP file to a DAGMC model using fast_ctd.

Module Contents

bluemira.codes.fast_ctd.pipeline._run_check_or_make_watertight(dagmc_file: pathlib.Path, output_h5m_file: pathlib.Path, *, check_or_make: Literal['check', 'make'])
Parameters:

  • dagmc_file (pathlib.Path)

  • output_h5m_file (pathlib.Path)

  • check_or_make (Literal['check', 'make'])

bluemira.codes.fast_ctd.pipeline.step_to_dagmc_pipeline(step_file_path: str | pathlib.Path, output_dagmc_model_path: str | pathlib.Path, comp_name_to_material_name_map: dict[str, str] | None = None, *, minimum_include_volume: float = 1.0, fix_step_to_brep_geometry: bool = False, merge_dist_tolerance: float = 0.001, lin_deflection_tol: float = 0.001, lin_deflection_is_absolute: bool = False, angular_deflection_tol: float = 0.5, run_make_watertight: bool = True, save_vtk_model: bool = True, enable_ext_debug_logging: bool = False, use_cached_files: bool = True, clean_up_cached: bool = True, **kwargs) → list[str]

Convert a STEP file to a DAGMC model using fast_ctd.

This function performs the following steps:

  1. Convert the STEP file to a BREP file.

  2. Create a CSV file mapping component names to materials.

  3. Perform a merge of similar (imprinted) entities.

  4. Facet/mesh the BREP model and convert it into DAGMC model using MOAB.

  5. Make the DAGMC model watertight.

  6. Clean up intermediate files.

Parameters:

  • step_file_path (str | pathlib.Path) – The path to the input STEP file.

  • output_dagmc_model_path (str | pathlib.Path) – The path to the output DAGMC model file.

  • comp_name_to_material_name_map (dict[str, str] | None) – A dictionary mapping component names to material names. If None, the component names are used as the material names.

  • minimum_include_volume (float)

  • fix_step_to_brep_geometry (bool)

  • merge_dist_tolerance (float)

  • lin_deflection_tol (float)

  • lin_deflection_is_absolute (bool)

  • angular_deflection_tol (float)

  • run_make_watertight (bool)

  • save_vtk_model (bool)

  • enable_ext_debug_logging (bool)

  • use_cached_files (bool)

  • clean_up_cached (bool)

Returns:

The list of material names used by the model.

Return type:

list[str]

Raises:

CalledProcessError – If make_watertight fails.