How to Model Contact Nonlinearities in FEA

Learn how to model contact nonlinearities in FEA with practical guidance on surfaces, friction, stiffness, convergence, and correlation to test results.
Can Simulation Replace Prototype Testing?

Can simulation replace prototype testing? Learn where FEA delivers confidence, where physical tests remain essential, and how to build validated workflow.
Aerospace Structural Analysis Consulting That Holds Up

Aerospace structural analysis consulting helps engineering teams validate models, manage certification risk, and make design decisions with confidence.
A Practical Guide to Nastran Fatigue Analysis

This guide to Nastran fatigue analysis explains load histories, stress recovery, fatigue setup, validation, and decisions that improve design confidence.
How to Choose a Nastran Solver for Your Team

Learn how to choose Nastran solver capabilities for your analysis work, from physics and workflows to validation, support, and long-term cost control.
Why Is Nastran Still Used in Engineering?

Why is Nastran still used? Its mature solver technology, validated methods, and broad ecosystem continue to support high-consequence engineering work.
Pressure Vessel Stress Analysis Example Explained

See a pressure vessel stress analysis example, from thin-wall calculations to FEA setup, stress checks, validation, and design decisions for safe designs.
Practical Guide to Dynamic Response Analysis

This guide to dynamic response analysis explains modal, transient, and frequency methods, modeling choices, damping, validation, and practical decisions.
Inventor Nastran vs Ansys: Which Fits Your Team?

Inventor Nastran vs Ansys compared for solver depth, modeling workflow, nonlinear analysis, licensing, and the validation decisions engineering teams face.
Contact Analysis Troubleshooting in Nastran

Resolve contact analysis troubleshooting issues in Nastran with a disciplined approach to gaps, stiffness, friction, mesh quality, and solver convergence.