Exporting DOF Sets in the alternate format

When you export a model that contains DOF Sets, you can choose to export those sets using the appropriate alternate format bulk data entries. If you select the Write DOF Sets Using Alternate Format option in the Export Simulation dialog box, the software writes out any DOF Sets in their alternate format. For example, the software writes out analysis degree-of-freedom sets as ASET1 bulk data entries rather than ASET entries.

Most alternate format degree-of-freedom entries use the THRU keyword to specify ranges of nodes. In contrast, the standard degree-of-freedom set entries require a separate entry for each node. Consequently, using the alternate format reduces the size of the Nastran input file.

Where do I find it?

Application	Pre/Post
Prerequisite	An active Simulation with Simcenter Nastran or MSC Nastran as the specified solver
Menu	File→Export Simulation
Location in dialog box	Formatting Options tab, Bulk Data Options group

Quick links

Command reference

Pre/Post video examples

Bulk Entry Descriptions

Simcenter 3D tutorials

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Exporting DOF Sets in the alternate format, Simcenter 3D 2021.1 Series

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