Since version 2026, Flux 3D and Flux PEEC are no longer available.

Please use SimLab to create a new 3D project or to import an existing Flux 3D project.

Please use SimLab to create a new PEEC project (not possible to import an existing Flux PEEC project).

/!\ Documentation updates are in progress – some mentions of 3D may still appear.

Import formats

Import formats

The following table summarizes the different file formats accepted in Flux, associated with the type of import:

Type of import Available File formats Extension Type of format
geometry import called « standard » DXF (Draw eXchange File) *.DXF standard
FBD (Flux 2D géométrie) *.FBD proprietary
mesh import NASTRAN neutral *.NAS, *.DAT standard
PATRAN neutral *.PAN, *.DAT
UNV (UNiVersel Ideas Master Serie) *.UNV
MED (Model of data exchange) *.MED
HyperMesh/SimLab/OptiStruct (Nastran format) *.BDF, *.BLK, *.BULK, *.DAT, *.FEM, *.NAS, *.NASTRAN

Multiple import

Multiple imports are available. Flux is able to import several files in the same project.