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Modeling Tools & Definitions Blog Posts

2 Ways to Use a 3Dconnexion® SpaceMouse® with COMSOL®

January 13, 2022

Learn about using the 3Dconnexion® SpaceMouse® to select geometric entities and create model images.

Add a Full State-Space Feedback Controller to a Control System Model

March 23, 2021

Get a brief overview of full state feedback, learn how to use the State-Space Controller add-in, and get a demonstration of implementing the add-in using a mass-spring-damper system example.

Fractals, Noise, and State Variables

January 5, 2021

Ever notice how the leaves of a fern seem to show a self-repeating pattern? Fractals are objects that exhibit some form of self-similarity at different scales. Learn how to model them here.

The North Pole Models Product Distribution Challenges for the Holidays

December 18, 2020

Today, a guest blogger from the North Pole discusses using simulation to find out if his boss will be able to fit down all of the chimneys this holiday season.

Keynote Video: Rapid Prototyping for Sonar Systems

December 15, 2020

Engineers at Northrop Grumman follow a 4-part rapid prototyping design phase: Design, manufacturing a prototype, testing and design verification, and manufacturing of the final design.

How to Run COMSOL Multiphysics® from the Command Line

December 9, 2020

Did you know that you can run repeated variations of the same COMSOL Multiphysics® model file from the command line — and automatically export data?

Accelerating Model Convergence with Symbolic Differentiation

October 29, 2020

Whenever you set up and solve a nonlinear problem in COMSOL Multiphysics, a symbolic differentiation engine is automatically used to ensure high robustness and accelerate model convergence.

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.

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