Die Application Gallery bietet COMSOL Multiphysics® Tutorial- und Demo-App-Dateien, die für die Bereiche Elektromagnetik, Strukturmechanik, Akustik, Strömung, Wärmetransport und Chemie relevant sind. Sie können diese Beispiele als Ausgangspunkt für Ihre eigene Simulationsarbeit verwenden, indem Sie das Tutorial-Modell oder die Demo-App-Datei und die dazugehörigen Anleitungen herunterladen.
Suchen Sie über die Schnellsuche nach Tutorials und Apps, die für Ihr Fachgebiet relevant sind. Beachten Sie, dass viele der hier vorgestellten Beispiele auch über die Application Libraries zugänglich sind, die in die COMSOL Multiphysics® Software integriert und über das Menü File verfügbar sind.
RFIDs are used in a multitude of applications such as tracking or identifying consumer products and their packaging. An RFID system consists of two main parts: A tag or transponder with a printed circuit-board (PCB) antenna A reader unit with a larger RF antennaThe reader antenna ... Mehr lesen
This tutorial shows how to model a miniaturized magnetostrictive antenna developed for use inside living cells. The stress in the antenna, the magnetic flux density, the current density, and the displacement of the tip of the device are investigated at the resonance frequency. Mehr lesen
This model uses the Semiconductor and RF modules to describe a photoconductive antenna (PCA). A laser pulse is applied on the surface of undoped LT-GaAs to generate electron-hole-pairs, which move under the influence of an external E-field creating a transient electric current pulse. ... Mehr lesen
An axisymmetric 3D structure such as a conical horn antenna can be simulated in a fast and efficient way using only its 2D layout. In this model, the antenna radiation and matching characteristics are computed very quickly with respect to the dominant TE mode from the given circular ... Mehr lesen
Corrugated circular aperture (conical) horn antennas are popularly used as feed horns for dish reflector antennas due to their low sidelobes and cross-polarization level. The excited TE mode from a circular waveguide passes along the corrugated inner surface of a circular horn antenna, ... Mehr lesen
Communication masts usually have a framework with a bolted triangular lattice design. The diagonals of the framework are assembled from several parts and welded together. When operating under a given wind load at a specific location, the antenna’s total rotation angle should stay below ... Mehr lesen
Electrical components in wireless communication systems are designed to be small and lightweight while maintaining decent performance and efficiency. Antennas are essential components in mobile devices and are required to fit in the limited space allowed by industrial specifications. To ... Mehr lesen
Manual design optimization typically requires numerous sweeps over a parameterized geometry, but it does not guarantee optimal performance under given conditions. Shape optimization removes the need for explicit parameterization and can achieve comparable or even better performance in a ... Mehr lesen
A wideband antenna study, such as an S-parameter or far-field pattern analysis, can be obtained by performing a transient response analysis and a time-to-frequency fast Fourier transform (FFT). This model runs a time dependent study first and then transforms the dependent variable, the ... Mehr lesen
In this model, the transmitter (microstrip patch) and receiver (Yagi–Uda) antennas are modeled simultaneously in the FEM domain and are coupled with FEM–BEM coupling. The results are compared with the analytical Friis transmission formula. In detail, the emw and emw2 interfaces find out ... Mehr lesen
