NEi Software Nastran Finite Element Analysis

Nastran Finite Element Analysis and Simulation Software

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NEi Nastran Engine with Femap

NEi Software is a 20-year technology partner and the number one reseller of Femap in North America. Find out more about Femap.

The NEi Nastran Engine is a powerful, general purpose Finite Element Analysis solver used to analyze linear and nonlinear stress, dynamics, and heat transfer characteristics of structures and mechanical components.

NEi Nastran represents the latest in FEA technology with one of the fastest iterative solvers on the market along with accurate solutions that have been trusted for over 20 years by companies across a wide range of industries including aerospace, offshore, marine, and automotive. This FEA solution is available on a wide variety of platforms including 32-bit and 64-bit Windows, Linux, and Unix operating systems.

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View the new features of NEi Nastran. Register for the on-demand webinar.


checkUser Interface

checkModeling Capabilities

checkGroups and Layers

checkResults Processing



checkElement Library

checkSolution Capabilities

checkElement Features

checkSolution Features

checkMaterial Properties

checkPerformance and Control Features

checkOutput Features

checkLoads and Boundary Conditions


checkAccurate and Proven Answers with NEi Nastran

checkUnparalleled Support


View the new features of NEi Nastran.
Register for the on-demand webinar.


Find out more about NEi Software solutions:
Heat Transfer


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Cessna Business Jet with FEA Analysis

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SUV Body-in-White (BIW) Normal Modes Analysis

Automated Edge Contact Generation of a Box Barge Ship Bulkhead

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