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Modeling Tools & Definitions Blog Posts

How to Perform a Sensitivity Analysis in COMSOL Multiphysics®

February 6, 2020

How do the parameters of your design affect its performance? Understanding this relationship is a valuable part of the design process. By performing a sensitivity analysis, you can do just that.

How to Use an Add-In to Convert Images to Geometry Models

January 23, 2020

Did you know that you can draw an image, import it into COMSOL Multiphysics®, and the Image to Curve add-in will create an interpolation curve from a contour plot of the image?

How to Simulate Control Systems Using the PID Controller Add-In

January 9, 2020

A PID controller can be used in a variety of industries. This blog post demonstrates how a PID controller add-in can be easily incorporated in two simulation examples.

How to Customize Your Model Builder Workflow Using Add-Ins

January 3, 2020

By creating and using add-ins, as well as building your own add-in libraries or using the built-in library in COMSOL Multiphysics®, you can customize and streamline your Model Builder workflow.

Using Web Browser Translation Tools for COMSOL Documentation

December 12, 2019

COMSOL documentation includes a lot of helpful information. Most web browsers include an automatic translation tool that enables you to read the documentation in the language of your choice.

Defeating Giant Movie Monsters Using Mathematical Modeling

August 5, 2019

The predator-prey equation can predict how we’d fare in a monster invasion, as well as real-world biology and ecology scenarios like shark overpopulation and tumor movement.

Efficient Parameter Control and Usage in COMSOL Multiphysics®

June 4, 2019

Any model can benefit from a proper parameter list. Learn how to control and use model parameters more efficiently with features such as parameter nodes and forms.

Introduction to Numerical Integration and Gauss Points

May 1, 2019

In this comprehensive blog post, we go over the theory behind numerical integration, Gaussian quadrature, Gauss points, weak contributions, and much more.