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Blog Posts Tagged Nonlinear Structural Materials Module

What Is Geometric Nonlinearity?

September 14, 2015

If you perform structural mechanics analyses, then you have most likely encountered the concept of geometric nonlinearity. But what exactly does geometric nonlinearity mean?

Modeling a Stacked Piezoelectric Actuator in a Valve

May 13, 2015

Piezoelectric valves are energy efficient, durable, and fast. You can model a key component of this device responsible for opening and closing the valve: a stacked piezoelectric actuator.

Simulating the Insertion of a Snap Hook

March 31, 2015

Snap hooks, a type of fastener that involves the insertion of a hook into a slot, are found in the automotive industry. Simulation can be used to analyze their insertion and removal.

Introducing Nonlinear Elastic Materials

January 9, 2015

Examples of nonlinear elastic material models: Ramberg-Osgood, Duncan-Chang, Hardin-Drnevich, Power law, and more. We discuss how to apply nonlinear elastic materials in your analyses.

New Piezoelectric Modeling Interface in COMSOL 5.0

December 30, 2014

As of version 5.0 of COMSOL Multiphysics®, there is a new interface for simulating piezoelectric devices; it has predefined features that make it easy to set up and run a piezoelectric model.

Membrane Interface Improvements in Version 5.0

December 11, 2014

As of version 5.0 of COMSOL Multiphysics®, the Membrane interface includes a restructured menu, new feature nodes, improvements to the Linear Elastic Material model, and more.

How to Model Residual Stresses Using COMSOL Multiphysics

June 5, 2014

Learn how to compute the residual stresses in your structural mechanics models. To demonstrate, we use the example of a deep metal drawing process. Read on…

Modeling Thermal Fatigue in Nonlinear Materials

May 1, 2014

2 challenges when simulating fatigue in nonlinear materials: 1.) Correctly representing the material behavior and 2.) finding a fatigue model that captures the life-controlling mechanism.

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