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NEi Nastran has full Nonlinear Event Simulation capability. You can produce structural FEA animations in a variety of formats that allow you and/or your clients to actually see what is happening with your product analysis. Please review some of the sample animations below.

Put NEi Nastran to work for your company today and see your products in action before they enter the marketplace.

Engine Assembly

A nonlinear transient analysis of an engine assembly with large displacements and rotations and surface contact.

Rubber Membrane

A nonlinear transient analysis of a rubber membrane. The analysis involves large displacements, rotations, and post-buckling behavior.

Wing Catastrophic Buckling

A nonlinear static post-buckling analysis of a general aviation aircraft wing. The analysis involves large displacements and rotations and surface contact.

Rivet

A nonlinear static analysis of a rivet being deformed to hold two plates together. One end of the rivet is held fixed while the other end is forced into compression with a force load. A nonlinear material is used to accurately model the material behavior and high strains involved. Surface contact with friction is used between all parts.

Compression Beading

A nonlinear static analysis of an aluminum tube undergoing compression beading. One end of the tube is held fixed while the other end is forced into compression with an enforced displacement load. A nonlinear material is used to accurately model the material behavior.

Automotive Wheel/Curb

A nonlinear transient impact analysis of a wheel and tire combination using surface contact. The impacting surface represents an off-angle curb strike involving contact with both the tire and wheel. The tire was pressurized to 30psi.

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