Image Gallery

Welcome to the COMSOL Image Gallery. The simulation images on this page are available for editors and journalists to use in appropriate articles. The phrase "Image made using COMSOL Multiphysics® and provided courtesy of COMSOL®." must appear in the vicinity of every image or at the bottom of the article.

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COMSOL Multiphysics Version 5.1

Going Quickly and Easily from Model to App

Going Quickly and Easily from Model to App

A single unified environment in COMSOL Multiphysics® integrates tools for building models and designing applications, allowing users to choose which components of a full simulation to include in an app intended for sharing with colleagues and customers. This demo app lets the user modify the geometry of a corrugated circular horn antenna in order to optimize its radiation characteristics and aperture cross-polarization ratio at the frequency of interest.

Application Libraries

Application Libraries

The Application Libraries of COMSOL Multiphysics® contain models for each add-on product, a new part library for parametric models, and 20 demo applications that demonstrate functionality for building apps. The capabilities demonstrated in these apps include embedding documentation, generating and e-mailing reports, creating tables, importing experimental data, creating animations, and performing parameter estimation and optimization.

Beam Subjected to Traveling Load Demo App

Beam Subjected to Traveling Load Demo App

This demo application, created using the Application Builder in COMSOL Multiphysics®, simulates the transient response of a beam subjected to a traveling load, mimicking the response of a bridge when vehicles pass over it. The user can control parameters such as the spacing between supports, width and height of the beam, and the speed of the load.

Tubular Reactor Demo App

Tubular Reactor Demo App

This app investigates an exothermic reaction occurring in a tubular reactor. The user can control material properties and energy inputs, and the demo app then calculates temperature and conversion profiles. When the simulation is finished, an email with a report is sent to the user. The app can be reached from the Application Libraries in COMSOL Multiphysics® or COMSOL Server™.

Tuning Fork Demo App

Tuning Fork Demo App

The fundamental resonant frequency of a tuning fork is calculated using this app, one of 20 demo apps available within the Application Libraries in COMSOL Multiphysics®. The user can either choose a target frequency and use the app to calculate the corresponding length, or choose the length to investigate the corresponding frequency.

COMSOL Server™

COMSOL Server™

COMSOL Server™

COMSOL Server™ is the hub that enables the sharing and running of simulation applications. Apps can be run from anywhere in the world and on multiple computers, can save the end user's input changes directly through the server, and allow colleagues and customers access to the simulation expertise of design and engineering teams. Several views are available that show the details of apps in the Application Library, including information about the simulation and add-on products used to create them.

Electrical Demo Applications

Transmission Line Calculator Demo App

Transmission Line Calculator Demo App

This demo app is used to compute the transmission line parameters R, L, G, and C, the characteristic impedance, and the propagation constant of a transmission line. The app was created using the Application Builder in COMSOL Multiphysics®. The user may choose from among several common types of transmission lines and generate a report of the results.

Corrugated Circular Horn Antenna Demo App

Corrugated Circular Horn Antenna Demo App

This demo simulation app lets the user modify the geometry of a corrugated circular horn antenna in order to optimize its radiation characteristics and aperture cross-polarization ratio at the frequency of interest. This app has been created with the Application Builder available in COMSOL Multiphysics®.

Plasmonic Wire Grating Demo App

Plasmonic Wire Grating Demo App

The electric field norm and angle of incidence of a planar wave are shown in this app, which is one of 20 demo apps available in the Application Libraries of COMSOL Multiphysics® and COMSOL Server™. The model uses properties from the Optics Material Database and computes the diffraction efficiency for transmitted and reflected waves interacting with a wire grating on a dielectric substrate.

Distributed Bragg Reflector Filter Demo App

Distributed Bragg Reflector Filter Demo App

This application, one of the demo apps created using the Application Builder in COMSOL Multiphysics®, analyzes the performance of band-stop filters. In addition to changing input parameters, the user may optimize the filter design and generate a report from the study results. This app relies on properties from the Optics Material Database, which contains 1,400 materials.

Capacitively Coupled Plasma Demo App

Capacitively Coupled Plasma Demo App

Based on a model of a capacitively coupled plasma (CCP) reactor, the demo app shown analyzes simulation results such as the electron density, electric potential, and power deposition for input parameters chosen by the user. The app is accessible from the Application Libraries in COMSOL Multiphysics® or COMSOL Server™.

Wavelength Tunable LED Demo App

Wavelength Tunable LED Demo App

This demo app was created using the Application Builder of COMSOL Multiphysics® and investigates light emission from an LED, allowing the user to change the composition of the semiconductor material, set desired specifications, and generate a report from the results. The current, emission intensity, and internal quantum efficiency are given by the study. The color emitted by the LED is visualized with an RGB plot.

Mechanical Demo Applications

Heat Sink with Fins Demo App

Heat Sink with Fins Demo App

This demo application of a heat sink, built using the Application Builder in COMSOL Multiphysics®, allows the user to investigate the amount of heat dissipated under varying conditions, including specified air temperature at the inlet and air flow velocity. Pressure loss and heat flux are calculated and the user may automatically create and e-mail a report of the study results.

Concentric Tube Heat Exchanger Demo App

Concentric Tube Heat Exchanger Demo App

This demo app computes some characteristic quantities of a concentric tube heat exchanger, including exchanged power, pressure drop, and effectiveness. The pipe structure, fluid properties, and boundary conditions can be changed. This app was created using the Application Builder in COMSOL Multiphysics® and is accessible from the Application Libraries.

Parameterized Concrete Beam Demo App

Parameterized Concrete Beam Demo App

This demo application, one of 20 found in the COMSOL Application Libraries, calculates the deflection and axial stress of a concrete beam reinforced by steel bars. Geometry, distribution of the reinforcement bars, material properties, and loading conditions can all be controlled by the user to investigate different scenarios for customized beams.

Frame Fatigue Life Demo App

Frame Fatigue Life Demo App

This demo app of a frame with a cutout evaluates the fatigue life when the thin-walled frame is subjected to a transient load. The app was created from a COMSOL Multiphysics® simulation using the Application Builder. Results predict the stress distribution and life at the critical point, as well as the relative usage factor.

Truck Mounted Crane Analyzer Demo App

Truck Mounted Crane Analyzer Demo App

In this demo application, created with the Application Builder available in COMSOL Multiphysics®, a rigid-body analysis of a crane is performed in order to find the payload capacity for a specified orientation and extension. The app also provides the usage of hydraulic cylinders and highlights the limiting cylinder.

Small Concert Hall Analyzer Demo App

Small Concert Hall Analyzer Demo App

This demo app uses a ray tracing simulation to analyze the acoustics in a concert hall, allowing the user to define the microphone location and absorption properties of the building and furniture. The results show the acoustic and energy impulse responses. This app was created using the Application Builder in COMSOL Multiphysics®.

Fluid Demo Applications

Red Blood Cell Separation Demo App

Red Blood Cell Separation Demo App

This model calculates the trajectory of red blood cells and platelets in a blood sample as they pass through a filtration device. The demo app was created in the Application Builder of COMSOL Multiphysics® and shows the particle locations, electric potential, and fluid flow distribution in the filtration system.

Gas Box Demo App

Gas Box Demo App

This demo app of a gas box simulation, created using the Application Builder of COMSOL Multiphysics®, is used to calculate the back pressure in a network of pipes fed by a system of mass flow controllers (MFC). The study determines whether a design meets the required flow specifications. The user may adjust the geometry, temperature, and pressure in the process chamber.

Ion Implanter Evaluator Demo App

Ion Implanter Evaluator Demo App

This demo application is accessible from the Application Libraries in COMSOL Multiphysics® and COMSOL Server™. The model considers an ion implantation system representative of those used in the semiconductor industry. The angle of the wafer, the molecular weight of the outgassing species, outgassing rate, and surface temperature can all be changed, allowing the user to investigate different designs.

Chemical Demo Applications

Biosensor Design Demo App

Biosensor Design Demo App

A flow cell in a biosensor contains an array of micropillars used to detect biomolecules. The pillars are coated with an active material that selectively adsorbs biomolecules in the sample stream, which then react on the surface. The user may change the design of the sensor by altering parameters such as pillar diameter, grid spacing, and inlet velocity to investigate how the design affects the detection results. Manufacturing constraints are set by a minimum distance between pillars and reported in the application. This demo app has been created with the Application Builder available in COMSOL Multiphysics®.

Li-Ion Battery Impedance Demo App

Li-Ion Battery Impedance Demo App

This demo application, created from a COMSOL Multiphysics® simulation using the Application Builder, estimates properties of lithium-ion batteries by modeling electrochemical impedance spectroscopy (EIS). Using experimental data as inputs, it runs an estimation of control parameters such as the exchange current density and properties of the resistive layer.