Modeling Tools & Definitions Blog Posts
![](http://cdn.comsol.com/wordpress/sites/1/2020/01/COMSOL_Blog_ModelImgs_TrussTower_ThumbnailImg.png)
How to Perform a Sensitivity Analysis in COMSOL Multiphysics®
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.
![](http://cdn.comsol.com/wordpress/sites/1/2020/01/COMSOL_Blog_ModelImgs_Curve_ThumbnailImg.png)
How to Use an Add-In to Convert Images to Geometry Models
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?
![](http://cdn.comsol.com/wordpress/sites/1/2020/01/COMSOL_Blog_ModelImgs_PIDControl_ThumbnailImg.png)
How to Simulate Control Systems Using the PID Controller Add-In
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.
![](http://cdn.comsol.com/wordpress/sites/1/2020/01/COMSOL_Blog_ModelImgs_IBeam_ThumbnailImg.png)
How to Customize Your Model Builder Workflow Using Add-Ins
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.
![](http://cdn.comsol.com/wordpress/sites/1/2018/09/COMSOL_Blog_OG_General-245x195.png)
Using Web Browser Translation Tools for COMSOL Documentation
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.
![](http://cdn.comsol.com/wordpress/sites/1/2019/05/COMSOL_Blog_OG_General-245x195.png)
Defeating Giant Movie Monsters Using Mathematical Modeling
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.
![](http://cdn.comsol.com/wordpress/sites/1/2019/05/COMSOL_Blog_OG_General-245x195.png)
Efficient Parameter Control and Usage in COMSOL Multiphysics®
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.
![](http://cdn.comsol.com/wordpress/sites/1/2019/05/COMSOL_Blog_OG_General-245x195.png)
Introduction to Numerical Integration and Gauss Points
In this comprehensive blog post, we go over the theory behind numerical integration, Gaussian quadrature, Gauss points, weak contributions, and much more.