Read it here. A The COMSOL discussion forum covers a wide variety of simulation topics. com/comsol-license-agreement) and may be used The COMSOL discussion forum covers a wide variety of simulation topics. Use the Lumped Port condition to apply a uniform electric field between two metallic boundaries. Browse the threads and share your ideas with the Port The Port boundary condition is used to excite and absorb specific acoustic modes that enter or leave waveguide structures, like a duct or channel, in a linearized potential flow model. The Port subfeature, Circular Port Reference Axis is used to determine the reference direction for the polarization of each mode/port by means of selecting two vertices (points) on the port This Documentation and the Programs described herein are furnished under the COMSOL Software License Agreement (www. Periodic ports are available in 3D and 2D. Learn how to implement numeric ports in your RF models of electromagnetic devices to perform boundary mode analyses, calculate S The COMSOL discussion forum covers a wide variety of simulation topics. User guide doesn´t provide us with very useful information (what a surprise!) The COMSOL discussion forum covers a wide variety of simulation topics. Browse the threads and share your ideas with the Learn how to model an acoustic waveguide using an essential feature: the Port boundary condition (includes strategies for postprocessing). . If using a regular lumped port then being at a return path would be necessary for one of the conductors. If the connection is successful, it should look similar to this: On macOS From a terminal, run the command nc -z hostname portnumber where The Port subfeature, Circular Port Reference Axis is used to determine the reference direction for the polarization of each mode/port by means of selecting two vertices (points) on the port The COMSOL discussion forum covers a wide variety of simulation topics. comsol. Browse the threads and share your ideas with the COMSOL community. The numeric port names Port The Port boundary condition is used to excite and absorb specific acoustic modes that enter or leave waveguide structures, like a duct or channel, in a linearized potential flow model. The excited port boundary defines the axis a0 of the periodic structure, as the excited port boundary normal and the axis point in The ports are required to be in-between two conductors, which this meets. Numeric ports require a Boundary Mode Analysis study type. Only nonnegative integer numbers can be used as Port name as it is used to define the elements of the S-parameter matrix. The excitation at the port can be expressed as a voltage or as a current, or via the connection For these two cases, the dimension of the port is computed automatically by analyzing the geometry. It should appear These models demonstrate the usage of the user defined lumped port and lumped elements to introduce excitations and lumped circuit elements This article covers how to use lumped ports in electromagnetics modeling in COMSOL Multiphysics®. The COMSOL discussion forum covers a wide variety of simulation topics. Generally, select User defined to manually specify the direction between the What did you specify in terms of the detailed boundary conditions on your ports? If both TE10 and TE20 modes are above cutoff, Select a boundary that represents or is part of the excited port. Browse the threads and share your ideas with the Port Properties Enter a unique Port name. Circular and Coaxial ports are available in 3D and 2D axisymmetry. These models demonstrate the usage of the user defined lumped port and lumped elements to introduce excitations and lumped circuit elements Learn how to use the Port and Lumped Port boundary conditions in COMSOL Multiphysics for modeling wave electromagnetics Learn how to copy and reuse boundary mode analysis results in COMSOL Multiphysics® when working with models that have multiple modes of Periodic ports are available in 3D and 2D. It should appear Learn how to set up the polarization and angle of incidence of an incident plane wave when using periodic ports in COMSOL Multiphysics®. A Port BCs are very important and useful when working with total field.
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