Modell Galerie

The Model Gallery features COMSOL Multiphysics model files from a wide variety of application areas including the electrical, mechanical, fluid, and chemical disciplines. You can download ready-to-use models and step-by-step instructions for building the model, and use these as a starting point for your own modeling work. Use the Quick Search to find models relevant to your area of expertise, and login or create a COMSOL Access account that is associated with a valid COMSOL license to download the model files.

Isoelectric Separation

This modeling example applies the Transport of Diluted Species interface to model a separation process. A stream containing six different ionic species is divided into pure component streams by means of migrative transport in an electric field. Free flow electrophoresis can be used to separate macromolecules such as proteins, based on their mobility perpendicular to the flow of the carrier fluid. ...

Magnetotellurics

Magnetotellurics is a method for estimating the resistivity profile of the Earth's subsurface using the natural electromagnetic source provided by the ionosphere. This model was defined by Zhdanov et al. in a study published in 1997. In this article, various scientific groups compared software performance on the same models. This is the model called COMMEMI-3D-2, which has become one of the ...

Optimization of a Tuning Fork, Modeled with LiveLink for SpaceClaim

This model computes the fundamental eigenfrequency and eigenmode for a tuning fork that is synchronized from SpaceClaim via the LiveLink interface. The length of the fork is then optimized so that the tuning fork sounds the note A, 440 Hz.

Secondary Current Distribution in a Zinc Electrowinning Cell

This is a model of the secondary current distribution in a zinc electrowinning cell. The model investigates the impact on the current distribution when changing the electrode alignment in a parametric study. The geometry is in 2D.

Electric Heating in a Busbar, Modeled with LiveLink for SpaceClaim

This tutorial model of the Joule heating effect in a busbar demonstrates how to synchronize an assembly between SpaceClaim and COMSOL, how to modify the geometry from COMSOL, and how to run a geometric parametric sweep.

Electric Heating in a Busbar, Modeled with LiveLink for AutoCAD

This tutorial model of the Joule heating effect in a busbar demonstrates how to synchronize geometry between AutoCAD and COMSOL, how to modify the geometry from COMSOL, and how to run a geometric parametric sweep.

Harmonic Content of the Power Deposition into a Dual Frequency Capacitively Coupled Plasma

Energy transfer from the time varying electrostatic field to electrons in a capacitively coupled plasmas (CCP) does not exclusively occur at twice the RF frequency. Due to the highly nonlinear mechanism of power transfer from the fields to the electrons, power deposition occurs at frequencies higher than twice the driving frequency. For dual frequency CCP reactors the harmonic content of the ...

Pacemaker Electrode, Modeled with LiveLink for SpaceClaim

This model, dealing with the current and potential distribution around one pair of electrodes, demonstrates how to synchronize and modify geometry in SpaceClaim by using the LiveLink interface.

Determining the Reaction Order from Pressure-Time Data

This model shows how to use the Parameter Estimation feature in the Reaction Engineering interface to find the rate constant and reaction order for the gas phase decomposition of di-tert-butyl-peroxide.

Assembly with a Hinge

In mechanical assemblies, parts are sometimes connected so that they are free to move relative to each other in one or more degrees of freedom. Examples of such connections are ball joints, hinges, and different types of bearings. If the details of the connection are not the subjects of the analysis, it is often possible to model the connection using the Rigid Connector feature in COMSOL ...

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