Evaluating the Necking of an Elastoplastic Metal Bar Benchmark Model

Thomas Forrister March 18, 2019

To determine the strength of elastoplastic materials, engineers often use uniaxial testing to analyze necking instability. This benchmark model proves that simulation is also a reliable method.

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Thomas Forrister February 6, 2019

Interested in bioengineering? Read this overview of a self-expanding arterial stent modeled in COMSOL Multiphysics® with an implemented shape memory alloy material.

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Thomas Forrister October 24, 2018

You have to see this multiphysics simulation research: To help combat the effects of presbyopia in aging eyes, Kejako built a 3D optomechanical model of a full human eye.

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Chandan Kumar September 5, 2018

When characterizing hyperelastic materials, how do you ensure accuracy? Here, we show how to model the compression of a sphere made of an elastic foam using experimental data.

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Brianne Christopher May 11, 2018

Learn about the history and use cases of shape memory alloys such as nitinol. You can also model the phase transformation of these unique materials in COMSOL Multiphysics®.

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Caty Fairclough February 13, 2018

By studying deformation in an arterial stent, biomedical engineers can account for unwanted effects like dogboning and foreshortening long before the device is ever implanted.

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Guest Björn Fallqvist January 11, 2018

Finite element modeling can be used to analyze the mechanical behavior of biological cells. Guest blogger Björn Fallqvist of Lightness by Design sheds light on this bioengineering topic.

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Phillip Oberdorfer December 15, 2017

They’re not just for playing games in the backyard: Water balloons are also an example of fluid-structure interaction in a nonlinear elastic material. Learn how to model this effect…

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Bridget Paulus November 6, 2017

A laboratory engineer discusses using multiphysics simulation to understand the complex and challenging behavior of nuclear fuel. Watch his presentation and get a quick summary here.

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Mats Danielsson November 2, 2017

Sometimes the mechanical behavior of a material is not readily expressed in terms of a built-in model. In these cases, you can use external materials. Learn how with an elastoplasticity example.

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Bridget Cunningham June 12, 2017

Powder compaction is an important and popular technique in many manufacturing industries. You can use porous plasticity models to analyze and improve the powder compaction process.

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