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Material Models Blog Posts

Designing an App to Analyze Stress in a Pressure Vessel

March 9, 2016

Learn how to use the Application Builder in COMSOL Multiphysics® to create an efficient and accurate design workflow, using an example of a pressure vessel design app.

Accessing External Material Models for Structural Mechanics

December 1, 2015

In COMSOL Multiphysics®, you can access not only material models derived from external libraries but also material functions programmed by yourself. We demonstrate with concrete damage model.

Using Simulation to Analyze Arterial Wall Mechanics

October 12, 2015

Studying arteries from a mechanical standpoint requires a reliable model that can fully describe the anisotropic nonlinear response of this biological soft tissue.

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 Linear Elastic Materials – How Difficult Can It Be?

June 29, 2015

Get an intro to the theory and application of the linear elastic material model, isotropy/anisotropy, allowable values for material data, incompressibility, and geometric nonlinearity.

Fitting Measured Data to Different Hyperelastic Material Models

June 24, 2015

Want to fit your experimental data to different hyperelastic material models? You can with the Optimization interface in COMSOL Multiphysics®, which lets you fit a curve to multiple datasets.

Protecting Aircraft Composites from Lightning Strike Damage

June 11, 2015

Some aircraft have a protective coating to mitigate damage from lightning strikes. Boeing used multiphysics simulation to evaluate thermal stress and displacement in this layer.

How to Model Hygroscopic Swelling

June 9, 2015

Hygroscopic swelling occurs in various sectors of industry, from wood construction and paper to electronics and food processing. Learn how to model this phenomenon in COMSOL Multiphysics®.


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