Electro- & Magnetostatics

User Stories

A Close Up on COMSOL for Soil-sensor DesignCivil Engineering:
A Close Up on COMSOL for Soil-sensor Design

TransTech Systems, Inc., Schenectady, NY
Ronald W. Gamache is the director of Research and Development with TransTech Systems, Inc. The company offers a wide range of products for asphalt paving and...

Multiphysics Sparks Innovation in Engine DesignAutomotive:
Multiphysics Sparks Innovation in Engine Design

TRW Automotive, Barsinghausen, Germany
TRW Automotive Engine Components develops, tests and manufactures components for electromagnetic valve-train systems. To optimize the electromagnets and speed...

Next-generation Filtration SystemsEnvironmental Engineering:
Next-generation Filtration Systems

Fleetgaurd (Cummins) Inc., Nashville, TN
With air pollution on the rise and the EPA heading it off with strict regulations, auto manufacturers look to multiphysics modeling to take a serious bite out...

Temperature Dependent Material PropertiesMaterials:
Temperature Dependent Material Properties

Jahm Software Inc., MA, USA
It is common to use data at room temperature in a simulation because elevated temperature data could not be found. However, the effects of temperature on a...

Model Examples

A Tunable MEMS Capacitor: In an electrostatically tunable parallel plate capacitor, the distance between the two plates... Model of an RFID System: RFIDs are used in a multitude of applications such as tracking or identifying consumer products...
The Magnetic Field from a Permanent Magnet: As an example of a magnetostatic problem, consider how to model a... Magnetic Prospecting of Iron Ore Deposits: Estimating center-of-mass coordinates and the spatial extent of iron-rich...
Simulation of a Magnetic Brake: A magnetic brake consists of a permanent magnet, which induces currents in a rotating... Quadrupole Lens: Just like optical lenses focus light, electric and magnetic lenses can be used for focusing beams of...
Modeling Using Electric Shielding: Many applications involve simulating the electromagnetic behavior of relatively thin... Thin Film Resistance: In modeling of transport by diffusion or conduction in thin layers, we often encounter large...
Electric Sensor: This is a model from electric impedance tomography, a method of imaging the interior permittivity... Computing Capacitance in a Comb Drive: Capacitive comb drives are commonly used both as actuators and position sensors....
Magnetotellurics: Magnetotellurics is a method for estimating the resistivity profile of the Earth's subsurface using... Pacemaker Electrode: This model illustrates the use of COMSOL Multiphysics for modeling of ionic current distribution...
Magnetic Signature of a Submarine: A vessel traveling on the surface or under water gives rise to detectable local... Forces on Parallel Current-Carrying Wires: This model shows a setup of two parallel wires with a constant current...
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