AC/DC Systems

User Stories

Multiphysics Electrifies Modeling in Many ScalesHigh Voltage Electro-Thermal & Electromagnetic Shielding Simulations:
Multiphysics Electrifies Modeling in Many Scales

The Saab Group, Linköping, Sweden
Flexibility was required by the Saab Group who wanted to simulate the striking of airplane wings by lightning, as well as how much the shielding material...

COMSOL Helps Commercialize Molding TechnologyManufacturing:
COMSOL Helps Commercialize Molding Technology

RocTool, Le Bourget du Lac, France
Mathematical modeling is going far beyond the R&D lab and is starting to make a real difference in manufacturing processes. Today it would be virtually...

Melt it in Mid-airAC/DC Heat Induction:
Melt it in Mid-air

EPM-Madylam Laboratory, Grenoble, France
Dr. Ernst develops cold crucibles that melt incredibly hot metals and other materials without letting the melt touch the container walls. With these methods...

A New Approach to Railgun OperationAC/DC Engineering:
A New Approach to Railgun Operation

Benet Laboratories, US Army Research Engineering and Development Command, Watervliet, NY
Railguns-which propel a projectile using electromagnetic forces´ promise to revolutionize projectile launchers. To adequately design them, researchers must...

Electrical Imaging SystemsOil Prospecting:
Electrical Imaging Systems

Riboug Research Centre, Schlumberger, France
Drilling an oil well requires a good knowledge of the subsoil. Electrical imaging provides a fuzzy picture of underground structures, which needs to be...

Electrical Signals in a HeartBiomedical Engineering:
Electrical Signals in a Heart

Università Campus Biomedico di Roma, Rome, Italy
Making sense of the contractions and dilations in the heart requires far more than simply considering how mechanical deformations force blood through hollows...

Model Examples

Electromagnetics Modeling Presentation, General Introduction: This presentation gives an overview of the... Inductive Heating of a Copper Cylinder: The induced currents in a copper cylinder produce heat that in turn change the...
Microresistor Beam: This example illustrates the ability to couple thermal, electrical, and structural analysis in one... Eddy Currents: Induced eddy currents and associated thermal loads is of interest in many high power AC applications....
Induction Currents from Circular Coils: A time-varying current induces a time-varying magnetic field. The magnetic field... Inductor in an Amplifier Circuit: This model shows how to combine an electric circuit simulation with a finite element...
Eddy Currents in a Cylinder: An AC coil surrounding a metal cylinder induces eddy currents in the cylinder. The driving... Loudspeaker Driver: This is a model of a loudspeaker of the dynamic cone driver type, common for low and medium...
Electric Impedance Sensor: Electric impedance measurements are used for imaging and detection. Applications range from... Simulating the Moving Parts of a Generator: In this model, a rotor with permanent magnets and a nonlinear magnetic...
Inductance of a Power Inductor: Power inductors are a central part of many low-frequency power applications. They are,... An RFID System: RFIDs are used in a multitude of applications such as tracking or identifying consumer products and...
Integrated Square-Shaped Spiral Inductor: This model considers a square inductor that is used for LC bandpass filters in... Geoelectrics - Forward Problem and Sensitivity: The classical forward problem of geoelectrics (includes electrical...