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  • BDF Meshing - Replacing empty spaces with zeroes on 'GRID' lines

    Hi Community Forum I'm using MSC Apex to mesh CAD models for neutronic simulation software. I want to know how to replace the empty spaces on 'GRID' lines of the BDF file with zeroes. The format that my neutronic software will accept is 23 digits…

  • BDF Meshing - 3rd column on 'CTETRA' lines

    Hi community forum I am using MSC Apex to create .bdf mesh for neutronic simulation on PHITS. I would like to know how to edit the third column on the CTETRA lines directly on MSC Apex. This column is used to group mesh cells into a 'body' in my neutronic…

  • Guidelines, examples, tips for going Apex to Patran to Nastran or Apex to Nastran?

    Are there any published guides or examples for using Apex as a pre-processor to Nastran or a pre-pre-processor to Patran? I'm not finding much detail on what Apex does and doesn't write when exporting a Nastran BDF from an Apex model.

  • How to generate an bdf/dat file without using the analyze function?

    I need to write an Input File for Nastran. My modell is created by Patran. I know this programms have an automatical interface. But I can´t use it in this case. I want to generate an bdf/dat file from Patran without using the Nastran analysis. After…
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