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Blog Posts Tagged AC/DC Module

Modeling Piezoelectricity: Which Module to Use?

October 7, 2021

Acoustics Module, MEMS Module, Structural Mechanics Module: Which one should you use for your piezoelectric device modeling? Get a comprehensive overview of your options here.

Micromagnetic Simulation with COMSOL Multiphysics®

September 24, 2021

A guest blogger from Fudan University in China used the Physics Builder in COMSOL Multiphysics to create a “Micromagnetics Module” for performing micromagnetic simulations.

Computing Loss, Temperature, and Efficiency in Electric Motors

September 23, 2021

Follow along as we investigate the variation of iron and copper losses, the resulting temperature rise, and its effect on the efficiency of a permanent magnet machine.

Voltage and Ground When Modeling Wave-Like EM Fields

June 17, 2021

We continue our discussion of voltage and ground by defining and interpreting these terms for sinusoidally time-varying electromagnetics models.

Do Voltage and Ground Exist?

June 15, 2021

Remember how the terms “voltage” and “ground” were taught in your university electrical engineering classes? Get a precise definition (in terms of modeling computational EM problems) here.

How to Model a Hall Effect Sensor with COMSOL Multiphysics®

March 11, 2021

Basic working principle of a Hall effect sensor: A nearby magnetic field deflects the path of current through a semiconductive sensor, which causes a measurable change in potential.

Analyzing Electric Motor and Generator Designs with COMSOL®

February 16, 2021

Using electromagnetics simulation, you can investigate and optimize the magnetic field distribution, mechanical torque, and iron usage and losses in a permanent magnet motor or generator.

Computing Losses in a Three-Phase Power Transformer

February 4, 2021

Around the world, power transformers are used in power grids for efficient electric power transmission. EM simulation can be used to compute losses in these devices and optimize their designs.


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