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All posts by Walter Frei

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.

Exporting Meshes and Solutions Using the Application Builder

April 6, 2016

You can easily export mesh and analysis data from COMSOL Multiphysics® into a text file. How? Using the Application Builder. We show you how here.

Modeling Thermal Ablation for Material Removal

March 30, 2016

When certain materials are heated to a certain point, they go directly from the solid to the gas phase in a process called ablation. Learn how to model the thermal ablation process here.

Thermal Modeling of Phase-Change Materials with Hysteresis

March 24, 2016

Hysteresis occurs when the melting temperature of a material is different from the solidification temperature. We demonstrate the thermal modeling of such a material here.


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