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Abaqus environment > Importing and exporting Abaqus data

Importing Abaqus assembly models

You can import Abaqus assembly models, including the following assembly-related Abaqus keywords:

  • *PART and *END PART

  • *ASSEMBLY and *END ASSEMBLY

  • *INSTANCE and *END INSTANCE

You can also import load, constraint, and solution step data associated with part instances in an Abaqus assembly model.

Abaqus assembly import guidelines

  • Because all data defined within a part, instance, or the assembly is local to that part, instance, or assembly, node and element labels and names (such as set names and surface names) do not need to be unique throughout a model. They only need to be unique within the part, instance, or assembly where they are defined.

  • For Abaqus models that contain multiple instances of a single part or multiple parts, the software:Imports the model definition data (nodes, elements, materials, physical property tables, sets, surfaces). A message indicates the data that is imported.By default, the software imports the original part definition and every instance of that part, with or without re-positioning. The elements and nodes in the original part use the original part name as the mesh name in the Simulation Navigator. The meshes for the instances of the part have the original part name followed by a _INSTANCE%s suffix, where %s is the instance name. You can control whether or not to import the original part definition. For example, the following shows an instance of a part that was imported with its original part definition and the part instance without the original part definition imported. The part on the left is the original part, and the part at the right is the instance of the part is translated.The software imports all nodes and elements defined for a part as a new group in the Simulation Navigator. It uses the name of the Abaqus part as the name of the new group.If you select the Import non-instance part from assembly model check box, the software creates a group that contains all the nodes and elements from the original, non-instanced part. If you clear the Import non-instance part from assembly model check box, the software creates a group that contains all the nodes and elements from the first instance of the part within the assembly.Offsets all node labels and element labels and modifies the labels in any associated set or surface definitions. A message indicates the changes that occurred to the labels during import.Imports all currently supported load, constraint, and solution step data associated with part instances in an Abaqus assembly model.

Where do I find it?

Application Pre/Post
Prerequisites A Simulation file as the work part and displayed partAbaqus as the specified solver
Menu FileImportSimulation
Learn more

Controlling the import of elements and nodes

Import support for Abaqus load cases

Importing Abaqus equations

Importing the Abaqus *NMAP keyword

Combining Abaqus surfaces on import

Controlling the import of element attributes

Controlling the import and export of SPRING2 elements

Compressing node sets when exported

Exporting material definitions

Look up more details

Abaqus keywords supported for import and export

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Importing Abaqus assembly models, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid667810 · retrieved 2026-07-17