Blog Posts Tagged AC/DC Module
Guidelines for Modeling Rotating Machines in 3D
Learn how to use the Rotating Machinery, Magnetic interface in COMSOL Multiphysics® to model a 3D generator, and then compare our results with an analogous 2D model. Part 2 of 2.
Model Cables and Transmission Lines in COMSOL Multiphysics
Learn how to compute the parameters of a coaxial cable from a COMSOL Multiphysics® simulation of the electromagnetic fields.
Study Radiofrequency Tissue Ablation Using Simulation
Killing cancerous cells, shrinking collagen, alleviating pain. These are just some of the medical purposes of radiofrequency tissue ablation, a procedure that relies on targeted heat.
Model Magnetic Materials in the Frequency Domain with an App
Easily convert B-H or H-B curves into effective B-H or H-B curves using the Effective Nonlinear Magnetic Curves Calculator simulation app.
Modeling Linear Motors or Generators in COMSOL Multiphysics
We demonstrate how to customize a linear periodic boundary condition to model linear motors and generators in COMSOL Multiphysics®, with an example of a tubular generator used for wave energy.
Creating Ultrafast Polymerase Chain Reaction Tests with LEDs
Researchers at the University of California, Berkeley, used simulation to develop an LED-based polymerase chain reaction system that shows potential for point-of-care testing. Get the full story.
Analyzing Mutual Inductance in Different Coil Arrangements
Mutual inductance measures the amount of change required for a current flowing through one circuit to create a current in a nearby circuit. Simulation can be used to compute mutual inductance.
How to Model Magnetic Bearings in COMSOL Multiphysics®
Get an in-depth introduction to the different types of magnetic bearings and then learn how to compute their magnetic force, torque, magnetic stiffness, and more.
Modeling an Inductive Position Sensor
A researcher from Lemfoerder Electronic GmbH in Germany used simulation to design an inductive position sensor for automotive applications. Get details here.
How to Model Rotating Machinery in 3D
There are many different types of electrical machines, but rotating machines like generators and motors play a major role in our modern industrial society. Learn how to model these systems in 3D.
Modeling Current Distributions in a Molten Salt Electro-Refiner
A guest blogger from SIMTEC discusses how he uses simulation to analyze current distributions in a molten salt electrorefiner. Get details here >>
Tips and Tricks for Modeling Induction Furnaces
A guest blogger from SIMTEC gives an introduction to the principles of induction heating and shares insight into the modeling of induction furnaces.
Dielectrophoretic Separation
Dielectrophoresis is a phenomenon in which an electric field is used to control the movement of electrically neutral particles. Learn about how to model this effect in both DC and AC fields.
Magnetic Damping of a Vibrating Cantilever Beam
We discuss modeling a cantilever beam in a magnetic field. The beam has some structural excitation at the free end, which vibrates it at a constant frequency. Get details in this blog post.
Analyzing Capacitive Touchscreens in Consumer Electronics
Most of us use multiple touchscreen devices throughout the day, from our smartphones to the ATM. Learn how to use electromagnetics modeling to study capacitive effects in these devices.
Designing Electric Vehicles with Magnetic Cooling Technology
Researchers from the National Institute of Applied Science designed a magnetocaloric HVAC system for an electric vehicle using multiphysics simulation. Get the full story >>
Exploiting Symmetry to Simplify Magnetic Field Modeling
Get an introduction to the types of symmetry boundary conditions that you can exploit in your EM models.
Modeling Convective Cooling of Electrical Devices
We developed a model that includes all of the important details of thermal management in a high-power electrical device. To do so, we needed to use high performance computing with hybrid modeling.
Computing Voltages Produced by Electromagnetic Induction
Have you ever used a “shaker flashlight”? It’s powered by voltage from the electromagnetic induction that occurs when a powerful permanent magnet inside the device oscillates due to the shaking.
POWER Prevents Corona Discharge in Power Lines
POWER Engineers, a global engineering consulting firm, used multiphysics simulation to study if and where corona discharge occurs in power lines and their associated assemblies.
Simulating the Focusing Effect of Magnetic Quadrupoles
What’s a magnetic quadrupole lens? How do they work? How do you simulate their focusing effect? We answer these questions and more in this blog post…
Powerful Packaging for Electronics in Extreme Environments
U.S.-based Arkansas Power Electronics International is designing power packaging for improved thermal management in power electronics devices, increased efficiency, and lower costs.
Solving TEAM Problem 7 with the AC/DC Module
Have you been searching for a software that can solve TEAM Problem 7? Look no more: You can solve the problem with the AC/DC Module and COMSOL Multiphysics®.
The Electromechanical Response of a Brake Design
A guest blogger from Continuum Blue demonstrates what the consultancy can do for clients in the electromechanical brake field by modeling the electromechanical response of a brake design.