The Application Gallery features COMSOL Multiphysics® tutorial and demo app files pertinent to the electrical, structural, acoustics, fluid, heat, and chemical disciplines. You can use these examples as a starting point for your own simulation work by downloading the tutorial model or demo app file and its accompanying instructions.
Search for tutorials and apps relevant to your area of expertise via the Quick Search feature. Note that many of the examples featured here can also be accessed via the Application Libraries that are built into the COMSOL Multiphysics® software and available from the File menu.
The purpose of this model is to introduce the Semitransparent Surface Feature from the Radiation in Participating Media Interface. It is a variation of the Radiative Cooling of a Glass Plate model with the DOM method. In this version a semitransparent surface is defined on external ... Read More
The katana is a legendary Japanese sword used by the samurai in olden days. Here, we present a simple model where we simulate a differential hardening process to explore some of the features of the katana. Learn more in this related blog post: Modeling the Differential Quenching of a ... Read More
This tutorial computes the transfer matrix of a tube and coupler measurement test setup. This type of setup is used for standardized testing, for example, for miniature loudspeakers or hearing aids. The Port boundary condition in Pressure Acoustics, Frequency Domain is used together ... Read More
This is a transient model of an electromagnetic plunger with stopper restricting the linear motion. The model consists of a magnetic core, nonmagnetic guider, multi-turn coil, nonmagnetic stopper/blocker, and magnetic plunger attached to the spring and damper at the base. The ... Read More
The model illustrate the technique to calculate the magnetic stiffness in a 3D geometry of a permanent magnet axial magnetic bearing. The Magnetic Fields physics is used to model the bearing and compute the magnetic forces. The Deformed Geometry and Sensitivity physics are used to ... Read More
This model is based on the Metasurface Beam Deflector model. The performance is improved using shape optimization by allowing both the radii and the position of the individual pillars to change. Read More
The Drift Diffusion interface solves a pair of reaction/advection/diffusion equations, one for the electron density and the other for the mean electron energy. This tutorial example computes the electron number density and mean electron energy in a drift tube. Electrons are released due ... Read More
This model demonstrates dielectric barrier discharge (DBD) in air subjected to an AC applied voltage. As the voltage amplitude increases, the discharge intensity correspondingly strengthens. Furthermore, the dominant component of the discharge current transitions from displacement ... Read More
Modeling and simulation is useful for evaluating the feasibility of storing hydrogen underground. In this example of a geological formation, hydrogen is injected through an injection well at a rate of 1 kg/s over a period of 2 years, until it is ready to be extracted and discharged ... Read More
Soft permanent magnets like AlNiCo are easily demagnetized if handled incorrectly. This is a demonstration of how to model the self-demagnetization of a cylindrical AlNiCo magnet when moved out of its associated/protective magnetic circuit. The modeling is performed in three steps: The ... Read More
