You can view and download models with their supplementary explanations. You may check the current license usage from the linux environment with the following command. Electromagnetics modeling in comsol rf module highfrequency modeling microwave heating acdc module statics and lowfrequency modeling induction heating plasma module model nonequilibrium discharges mems module statics subset of acdc module advanced statics electromechanics. Microwave plasmas are popular thanks to the cheap availability of microwave power. This tutorial uses a simple 1d model of a silicon solar cell to illustrate the basic steps to set up and perform a device physics simulation with the semiconductor module. The metal processing module is a new addon to comsol multiphysics. Your guide to lumped ports in the rf module comsol blog. This video shows you how to model a simple dipole antenna and extract relevant information from the resul. Sparameters can be exported in the touchstone file format. To use any of the comsol modules, a comsol multiphysics base license pass is required. Furthermore, it is also possible to enter the field of an incident wave propagating along the symmetry axis. The concepts you will learn provide a solid foundation for building your own models of more complex antenna geometries.
For users of the design module, comsol multiphysics version 5. The importance of thermal radiation in your models comsol blog. We demonstrate the use of the rf module to compute both rf and optical waveguide modes and calculate the velocity mismatch and overlap efficiency between. Get an introduction to the updates in the composite materials module as of version 5. Multiphysics software for finite element approach and real world simulations. This video shows you how to model a simple dipole antenna and extract relevant information from the results. A practical guide to geometric regulation for distributed parameter systems eugenio aulisa and david gilliam finite element modeling methods for photonics b. Uber comsol multiphysics modellierungsbeispiele zum. We demonstrate the model setup, including how to select physics, boundary conditions, and material properties as well as how to solve and postprocess a microstrip line and printed dipole antenna. From the rf module model library model conical antenna. Learn about multiphysics modeling and simulation comsol blog. Available in the rf module, an addon to the comsol multiphysics software, the lumped port feature is a boundary condition with many different variations and application areas.
Here you find an introduction to the modeling stages of the rf module, including. This lumped port type can be used for multiexcitation or multitermination of, for example, a coplanar waveguide port or a differential port. Setting up rf module physics, radio frequency module, scattering boundary condition, electric field, planar electromagnetic wave, frequency domain. Does anybody has experience using comsol rf module to model rf wave. Warning your internet explorer is in compatibility mode and may not be displaying the website correctly. The evanescent component of the nonparaxial gaussian beam background field is available as a feature in the wave optics and rf modules as of comsol multiphysics version 5. Does anybody has experience using comsol rf module to model. Learn more about the wave optics module updates in more detail below. For users of the rf module, comsol multiphysics version 5.
If you still need help with comsol and have an onsubscription license, please visit our support center for help. Mar 28, 2019 the rf module, an addon to the comsol multiphysics software, includes specialized features for highfrequency electromagnetics simulation, including a part library consisting of a number of standard parts and geometries. A circulator is used to isolate microwave components to couple a transmitter. Products, components, and devices can always be improved. The scattering boundary condition for 2d axisymmetric models now includes a plane wave option for the scattered wave type. A new option is available for the border flow boundary condition for thinfilm flow. You may need to scroll up to see users of comsol in the output. An example is the quenching of automotive steel transmission components, where the resulting. Rf module updates for users of the rf module, comsol multiphysics version 5. Slotcoupled microstrip patch antenna array synthesizer. For users of the subsurface flow module, comsol multiphysics version 5.
Multiphysics modeling of electrooptic devices comsol. The plasma module is tailormade to model and simulate lowtemperature plasma sources and systems. In this 18minute archived webinar, get an introduction to rf and microwave device modeling with the comsol multiphysics software. This means that you can now set up the scatteringboundary condition to absorb a wave propagating along a coaxial waveguide, as shown in the example below. You can now autocomplete text in many fields, automatically reconnect while working in the. Modeling antennas with comsol multiphysics and the rf module. For nonecr plasmas, the pressure typically ranges from 100 pa up to atmospheric pressure. High frequency modeling electromagnetic waves formulation solves for the electric and magnetic. Browse all of the rf module updates in more detail below. Corrugated circular horn antenna simulator the excited te mode from a circular waveguide passes along the corrugated inner surface of a circular horn antenna where a tm mode is also generated. For users of the wave optics module, comsol multiphysics version 5. The rf module completes the modeling experience by providing advanced postprocessing features such as sparameter computation and farfield analysis. To download the mphfiles, log in or create a comsol access account that is.
Rf simulations with comsol icps 2017 politecnico di torino aug. The microwave plasma interface requires both the plasma module and the rf module. There is also a new power user role to more easily specify permissions for specific users. Selecting outofplane motion for the border flow type calculates the pressure gradient at the boundary using the model of gallis and torczynski m.
For more information on how to work with the comsol multiphysics. Using the comsol multiphysics software and addon rf module, you have the ability to model various types of antennas, such as simple dipole antennas and antenna arrays. Setting up rf module physics, radio frequency module, scattering boundary condition, electric field. The module can perform analysis in all space dimensions 1d, 2d, and 3d. The rf module has now introduced a part library consisting of a number of. If you do not hold an onsubscription license, you may find an answer in another discussion or in the knowledge base. If the heat transfer by conduction and convection is very small for example, in space or in vacuum systems, the percentage of heat radiation in the total heat flux naturally increases. With the rf module expansion of the comsol multiphysics simulation platform, you can analyze rf designs in multiphysics scenarios, including microwave and rf heating, all within the same software environment. Rf module application gallery examples comsol multiphysics. Empirical verification of comsolsimulation of resonance. Comsol is the developer of comsol multiphysics software, an interactive environment for modeling and simulating scientific and engineering problems. A userdefined expression is used for the photogeneration rate and the result shows typical iv and pv curves of solar cells.
The rf module has now introduced a part library consisting of a number. The rf module has a vast range of tools to evaluate and export the results, for example, evaluation of farfield, feed impedance, and scattering matrices sparameters. Please login with a confirmed email address before reporting spam. A new lumped port type is included in comsol multiphysics version 5. Users of consumer electronics with radiating devices are exposed to rf emission, and the amount of exposure is characterized by the specific absorption. Torczynski, an improved reynoldsequation model for gas damping of microbeam motion, journal of microelectromechanical systems, vol. The power can range from a few watts all the way up to several kilowatts. For users of the plasma module, comsol multiphysics version 5. Metalik, dielektrik, gyromanyetik ve hatta metamalzemelerin sartland. Part 5 comsol, the leading provider of multiphysics modeling and simulation software, has released version 5. Engineers and scientists use it to gain insight into the physics of discharges and gauge the performance of existing or potential designs. Using this module, you can study how metallurgical phase transformations change the microstructure of a metallic material during a heating or cooling process. Learn how to use the rf module to design and optimize rf and microwave.
Overview of the rf module this manual describes the rf module, an optional addon package for comsol multiphysics designed to assist you in solving and modeling electromagnetic problems. Design for the present and future with the rf module. The simulation model of the coil was gradually adjusted closer to the geometry of the real coil to distinguish. When exciting or terminating an rf device with a specific impedance value on a location where the transverse electromagnetic tem mode is expected, the lumped port feature is useful.
82 180 305 1251 221 1465 67 860 82 270 856 1271 25 172 938 521 552 34 1548 453 158 560 810 35 1022 1218 1174 810 593 74 1373 765 681 1226 192 421 744 1091 642 691 400 1377 594 796 875 499 567