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.
This shows how a Gaussian beam incident on a periodic structure can be efficiently simulated. This could be applied to structured surfaces like metasurfaces or diffraction gratings. Because of superposition, only a single unit cell needs to be simulated. This can provide extremely ... Mehr lesen
A parallel wire transmission line is composed of two conducting wires in a dielectric such as air. The fields around such a transmission line are not directly confined by the conductors, and extend to infinity, although they drop off in rapidly away from the wires. This model ... Mehr lesen
It is possible to shape the radiation pattern and steer the beam from an antenna array by controlling the relative phases and magnitudes of the input signal. This example shows how to design an active electronically scanned array (AESA) using arithmetic phase progression on each antenna ... Mehr lesen
One method of creating spring-like structures or inducing curvature in thin structures is to plate them to substrates that are under the influence of residual stresses. The plating process can control this stress even for similar materials. One such device is the electrostatically ... Mehr lesen
Some conventional three-port power dividers are resistive power dividers and T-junction power dividers. Such dividers are either lossy or not matched to the system reference impedance at all ports. In addition, isolation between two coupled ports is not guaranteed. The Wilkinson power ... Mehr lesen
Inductive devices experience capacitative coupling between conductors at high frequencies. Modeling this phenomenon requires that you describe electric fields that have components both parallel with and perpendicular to the wire. This consideration might lead to the conclusion that a 3D ... Mehr lesen
This model shows how to compute the AC characteristics of a MOSFET. Both the output conductance and the transconductance are computed as a function of the drain current. Mehr lesen
A 180° Ring Hybrid (Rat-Race Coupler) is a four-port network with 180° phase difference between two ports. It is cheaper to manufacture this type of microstrip line component compared to a wave guide 180° hybrid junction, so called magic-T. The objective of this model is to compute the S ... Mehr lesen
The Yagi–Uda antenna is designed for a specific Wi-Fi band and can reduce eavesdropping by directing signals with the help of directors. This antenna consists of one uniformly spaced reflector and four directors. Simulated results show a maximum 10 dBi gain and a front-to-back ratio of ... Mehr lesen
A Fresnel lens can be constructed from a plano-convex lens as a way to reduce the thickness. This model models the collimation property of a Fresnel lens and demonstrates the geometry operation of making a Fresnel lens from a plano-convex lens. Mehr lesen