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Equation-Based Modeling Blog Posts

Predicting Solute Transport in Groundwater Using Simulation

January 18, 2018

In order for groundwater to be useful for irrigation and drinking, we need to understand how its various solutes move through the water. The Subsurface Flow Module includes features for this.

3 Examples of Equation-Based Modeling in COMSOL Multiphysics®

December 20, 2017

What are the benefits of using equation-based modeling in your simulations? Here are 3 examples that demonstrate the use of this functionality.

How to Generate Randomized Inhomogeneous Material Data

June 20, 2017

Did you know there is a way to take randomized material data with specified statistical properties determined by a spectral density distribution and use it to generate and visualize results?

How to Generate Random Surfaces in COMSOL Multiphysics®

June 2, 2017

Get a comprehensive background and step-by-step guide to generating random surfaces in COMSOL Multiphysics®, such as rough surfaces and microstructures.

Exploiting Maximum Principles to Save Time and Resources

May 9, 2017

By exploiting maximum principles in large and complex models, you will save time and computational resources without having to buy a bigger computer or leave your model to solve overnight.

How to Compute Distances Between Objects in COMSOL Multiphysics®

March 2, 2017

Compute the distance between two deforming objects in the COMSOL Multiphysics® software. Here’s how…

Solving Shallow Water Equations with Equation-Based Modeling

February 21, 2017

Shallow water equations are an example of equation-based modeling. You can define expressions in COMSOL Multiphysics® to solve a shallow water equation for coastal erosion analyses.

Analyze the Hodgkin-Huxley Model with a Computational App

November 10, 2016

In a previous blog post, we discussed the physiological basis of generating action potential in the excitable cells of living organisms. We spoke about the simple Fitzhugh-Nagumo model, which emulates the process of depolarization and repolarization in a cell’s membrane potential. Today, we analyze a more advanced model for simulating action potential, the Hodgkin-Huxley model. We also go over how to use a computational app to streamline this type of analysis.