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Optimization & Inverse Methods Blog Posts

Implementing a Damage Evolution Law for a Hyperelastic Material

September 8, 2020

By implementing a physically motivated damage evolution law for a hyperelastic material, you can incorporate material softening, creep, and stabilization of hysteresis curves during cycling.

Estimating Hyperelastic Material Parameters via a Lap Joint Shear Test

September 3, 2020

For rubber, polymers, and biological tissue, the relationship between stress and strain is nonlinear, even at small loads. The lap joint shear test can be used to determine material properties.

Predictive Analytics Capabilities of SmartUQ® for COMSOL®

January 30, 2020

How does COMSOL Multiphysics® fit into the predictive analytics and uncertainty quantification (UQ) workflow of SmartUQ®? Guest blogger Gavin Jones demonstrates with a microwave ablation example.

How to Use Topology Optimization Results as Model Geometries

January 24, 2020

Oftentimes, topology optimization is not the last step in your design process. In fact, you can use the results from a topology optimization study as model geometries for your next analysis.

Performing a Shape and Topology Optimization of a Tesla Microvalve

November 15, 2019

1 Tesla microvalve model, 2 ways: The shape optimization features available in COMSOL Multiphysics enable you to improve simple designs inspired by more complex topology optimization results.

Estimating Parameters for a Li-Ion Battery via a Lumped Model

October 24, 2019

When performing an electrochemical analysis on a battery, an engineer might not have all of the information from the manufacturer. The solution? Parameter estimation via a lumped model…

Analyzing Topology Optimization of a Photoacoustic Spectroscopy Cell

May 24, 2019

Signals generated via photoacoustic spectroscopy are often weak and difficult to detect. Acoustic cells can be used to amplify the signal, but they need to be designed with sensitivity in mind.

Comparing Optimization Methods for a Heat Sink Design for 3D Printing

April 18, 2019

When designing a heat sink, is it better to use parametric or topology optimization? When manufacturing said design, does 3D printing produce the best result, or a conventional method?

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