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CAD-embedded finite element analysis software

Autodesk® Nastran® In-CAD software, a general-purpose finite element analysis (FEA) tool for engineers and analysts, offers a range of simulation powered by the Autodesk Nastran solver.


When you buy a perpetual license with Maintenance Subscription, you get the latest releases, flexible licensing, web support, and e-learning.

Video: Nastran In-CAD overview

Overview video

See how Autodesk Nastran In-CAD software can help you solve engineering challenges directly in your CAD system.

Watch video (3:12 min.)


Autodesk Nastran In-CAD features

Use Autodesk Nastran Solver for robust In-CAD analysis

Autodesk Nastran solver

Use robust and accurate In-CAD analysis capabilities.

See all features

Integrate with the SolidWorks environment

SOLIDWORKS integration

Blend with your SOLIDWORKS environment.

Use Autodesk Nastran within Inventor software

Inventor integration

Use Autodesk Nastran within Inventor 3D CAD software.

Heat transfer helps to avoid failures from thermal stress

Heat transfer

Avoid assembly failure from concentrated thermal stress.


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NASTRAN is a registered trademark of the National Aeronautics and Space Administration.

SOLIDWORKS is a registered trademark of Dassault Systèmes SolidWorks Corporation.