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All posts by Walter Frei

3 Ways to Optimize the Current in Electromagnetic Coils

April 10, 2017

We give you 3 ways to optimize the current in electromagnetic coil designs using the AC/DC Module and Optimization Module, add-on products to COMSOL Multiphysics®.

How to Postprocess Fields over Arbitrary Geometries

April 4, 2017

Check out this useful modeling trick: You can query the results of your model within an arbitrary geometric subregion by implementing an integration during postprocessing.

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…

How to Model the Electromagnetic Heating of Underground Cables

February 14, 2017

Underground power cables are beneficial in many ways, but they are also subject to overheating. To design better cables, we can model their electromagnetic heating in COMSOL Multiphysics.

Part 2: Modeling the Harmonic Excitations of Nonlinear Systems

August 11, 2016

Learn how to model the harmonic excitations of a linear system in COMSOL Multiphysics® in this comprehensive tutorial post. Part 2 of 2.

Part 1: Modeling the Harmonic Excitations of Linear Systems

August 10, 2016

Learn how to model the harmonic excitations of a nonlinear system in COMSOL Multiphysics® in this comprehensive tutorial post. Part 1 of 2.

How to Implement a Delay in Your Thermostat Simulation

June 30, 2016

When simulating a thermostat in COMSOL Multiphysics®, you can implement a delay for short-cycling in addition to the on and off setpoints. See how here.

Thermal Modeling of the Air Flow Inside and Around Your House

June 22, 2016

Learn step by step how to set up a thermal model of the airflow in and around a house, including how to implement tabulated meteorological data from the historical ASHRAE database.


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