Hi all!<br><br>As an attachment I sent a patch adding a new option for the BDF file format. Up to now the property id of elements exported in the BDF format corresponds to id of the elementary entity to which the element belongs. In order to add some flexibility to the translation of the gmsh native entities organization to the bdf format, I added the option Mesh.BdfElementPID. I consider the adoption of such an option very important, since it will help essentially the definition of element groups in the exported bdf-file. For the option values I followed the convention by the Mesh.ColorCarousel option:<br>
<br>*For Mesh.BdfElementPID = 0 :<br>The element type number is used as PID in the BDF-format<br><br>*For Mesh.BdfElementPID = 1 (default):<br>
The elementary entity id is used as PID in the BDF-format (the same behavior like the current status)<br><br>*For Mesh.BdfElementPID = 2 :<br>
The physical entity id is used as PID in the BDF-format (if the element belongs to more than one physical entities, the first one is considered)<br><br>*For Mesh.BdfElementPID = 3 :<br>
The partition number is used as PID in the BDF-format<br><br>Please review my suggestion and give me feed back if I have to make some modification for my patch to be accepted in gmsh.<br><br>After the acceptation of this suggestion I plan to add some more export possibilities for the bdf format like, exporting a SET definition containing all vertices (GRID) of every physical entity, or PSOLID and PSHELL templates corresponding to the existing physical groups/ element types in the model.<br>
<br>My aim is to give the possibility of an easy by hand definition of boundary conditions and loads in the exported bdf-file.<br><br>Regards<br><br>Kostas<br><br><br>P.S. among the attached files there are also some screenshots and examples of bdf-files generated with the new option (in the last example a mesh partition in 3 partitions has been used)<br>