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Nastran environment > Importing and exporting Nastran data > Importing Nastran data

Import for connection elements

Pre/Post supports the import of a number of different Nastran connection elements. However, a subset of the CDAMP, CELAS, and CMASS element types are not directly supported in Pre/Post. During the import process, the software converts these elements to the most closely related, supported element types, as shown in the following table:

Nastran Element Type Type Converted to During Import
CDAMP3 CDAMP1
CDAMP4 CDAMP2
CELAS3 CELAS1
CELAS4 CELAS2
CMASS3 CMASS1
CMASS4 CMASS2

For more information on these types of elements, see the Simcenter Nastran Quick Reference Guide and the Simcenter Nastran Element Library Reference Manual.

Learn more

Extended mesh validity checking during import (Nastran and ANSYS)

Importing RBE2 and RBE3 elements

Understanding imported Nastran constraints

Understanding the import of Nastran SETs

Import of SPOINT bulk data entries

Importing and exporting table extrapolation options

Exporting and importing CBEAM and CBAR elements with the OFFT field

Importing physical property data as element-associated data

Managing element conflicts when appending a Nastran input file

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Importing Nastran data

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Bulk Entry Descriptions

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Import for connection elements, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id625871 · retrieved 2026-07-17