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 # FileIO

 Last update: 10.09.2025 

<a id="ansys.meshing.prime.FileIO"></a>

### *class* ansys.meshing.prime.FileIO(model)

Handles reading or writing files from the disk.

- **Parameters:**
    
    **model**: Server model to create FileIO object.

### Methods

NameDescription[`FileIO.export_boundary_fitted_spline_kfile`](ansys.meshing.prime.FileIO.export_boundary_fitted_spline_kfile.md#ansys.meshing.prime.FileIO.export_boundary_fitted_spline_kfile)(...)Export the IGA LS-DYNA keyword file for a boundary fitted spline.[`FileIO.export_fluent_case`](ansys.meshing.prime.FileIO.export_fluent_case.md#ansys.meshing.prime.FileIO.export_fluent_case)(file\_name, ...)Export a Fluent case (CAS) file.[`FileIO.export_fluent_meshing_mesh`](ansys.meshing.prime.FileIO.export_fluent_meshing_mesh.md#ansys.meshing.prime.FileIO.export_fluent_meshing_mesh)(file\_name, ...)Export a Fluent Meshing mesh (MSH) file.[`FileIO.export_lsdyna_iga_keyword_file`](ansys.meshing.prime.FileIO.export_lsdyna_iga_keyword_file.md#ansys.meshing.prime.FileIO.export_lsdyna_iga_keyword_file)(...)Export IGA LS-DYNA Keyword file for solid, surface splines.[`FileIO.export_lsdyna_keyword_file`](ansys.meshing.prime.FileIO.export_lsdyna_keyword_file.md#ansys.meshing.prime.FileIO.export_lsdyna_keyword_file)(file\_name, ...)Export FEA LS-DYNA Keyword file for solid, surface mesh, or both.[`FileIO.export_mapdl_cdb`](ansys.meshing.prime.FileIO.export_mapdl_cdb.md#ansys.meshing.prime.FileIO.export_mapdl_cdb)(file\_name, params)Export an MAPDL CDB file.[`FileIO.export_stl`](ansys.meshing.prime.FileIO.export_stl.md#ansys.meshing.prime.FileIO.export_stl)(file\_name, params)Export an STL file.[`FileIO.get_abaqus_simulation_data`](ansys.meshing.prime.FileIO.get_abaqus_simulation_data.md#ansys.meshing.prime.FileIO.get_abaqus_simulation_data)(partId)Gets simulation document generated by Abaqus import for a given part.[`FileIO.import_abaqus_inp`](ansys.meshing.prime.FileIO.import_abaqus_inp.md#ansys.meshing.prime.FileIO.import_abaqus_inp)(file\_name, params)(BETA FEATURE) Import a Abaqus file.[`FileIO.import_cad`](ansys.meshing.prime.FileIO.import_cad.md#ansys.meshing.prime.FileIO.import_cad)(file\_name, params)Import a CAD file from disk.[`FileIO.import_fluent_case`](ansys.meshing.prime.FileIO.import_fluent_case.md#ansys.meshing.prime.FileIO.import_fluent_case)(file\_name, ...)Import a Fluent case (CAS) file from disk.[`FileIO.import_fluent_meshing_meshes`](ansys.meshing.prime.FileIO.import_fluent_meshing_meshes.md#ansys.meshing.prime.FileIO.import_fluent_meshing_meshes)(...)Import Fluent Meshing's mesh (MS and MSH.GZ) files from disk.[`FileIO.import_fluent_meshing_size_field`](ansys.meshing.prime.FileIO.import_fluent_meshing_size_field.md#ansys.meshing.prime.FileIO.import_fluent_meshing_size_field)(...)Import a Fluent Meshing size field (SF and SF.GZ) file from disk.[`FileIO.import_mapdl_cdb`](ansys.meshing.prime.FileIO.import_mapdl_cdb.md#ansys.meshing.prime.FileIO.import_mapdl_cdb)(file\_name, params)Import an MAPDL CDB file.[`FileIO.initialize_cdb_export_params`](ansys.meshing.prime.FileIO.initialize_cdb_export_params.md#ansys.meshing.prime.FileIO.initialize_cdb_export_params)(params, ...)Initialize specific CDB export parameters based on the given version.[`FileIO.read_pmdat`](ansys.meshing.prime.FileIO.read_pmdat.md#ansys.meshing.prime.FileIO.read_pmdat)(file\_name, file\_read\_params)Read a PyPrimeMesh data (PMDAT) file.[`FileIO.read_size_field`](ansys.meshing.prime.FileIO.read_size_field.md#ansys.meshing.prime.FileIO.read_size_field)(file\_name, params)Read a PyPrimeMesh size field (PSF and PSF.GZ) file from disk.[`FileIO.write_pmdat`](ansys.meshing.prime.FileIO.write_pmdat.md#ansys.meshing.prime.FileIO.write_pmdat)(file\_name, file\_write\_params)Write a PyPrimeMesh data (PMDAT) file.[`FileIO.write_size_field`](ansys.meshing.prime.FileIO.write_size_field.md#ansys.meshing.prime.FileIO.write_size_field)(file\_name, params)Write a PyPrimeMesh size field (PSF) file to a file on disk.