Microwave Oven Potato Cooling
Hi, can you tell me please, that how did you apply power (piecewise function) to the input port of the oven, I am trying to do the same but can't compute the study. thanks in advance.
View ArticleMicrowave heting
Hi, Everyone I am using module of microwave heating, my problem is that, I have an X-band Rectangular Waveguide in which i placed a dielectric block (Refer to module = RF Heating Model ID: 6078) . Now...
View Article3D Simulation
Hi, first of all excuse my bad english. I want to view the electromagnetic field (in particular the norm of E) in the core of 3D fiber model. Through the Boundary Mode Analysis 1, 2 and Frequency...
View ArticleCoupling Optical Modes and Elastic Modes
Hello, I am trying to find the effects of elastic modes (vibrations) on optical modes in a SMF28 optical fiber in 2D. I am using the solid mechanics model to first calculate the eigenfrequencies of the...
View ArticleProblem with PML+SCBC in the scattering in a dielectric slab
I have the following problem: i want to study the total field pattern that occurs when an incident wave is impinging in an array of pattern drilled in a dielectric slab of index of refraction n for...
View ArticlePulse input Rectangular Waveguide
Hi everyone, Is it possible in comsol to give a pulse shape input to a port of rectangular waveguide as a power source.? Actually I want to heat a certain material inside a rectangular waveguide for...
View ArticlePML refractive index
Hi, I am studying a model of Step index fiber and I want to put a cylindrical PML around the core. What should be the refractive index of the PML , should be same as refractive index of the cladding or...
View Articleeffective index of pcf fibers twin core
hello sir, hello sir please how to get the even and the odd refractive index mode for pcf twin core fibre help me please
View ArticleMultiphysics between semiconductor module and RF module
I tried to couple the semiconductor module and RF module for solar cell applications, with no luck. I am using the 4.4 version. I wonder when Comsol will release a version which allows the coupling of...
View Articleplot Transmission vs. wavelength
hi all i am using RF module in Comsol 4.3 . and when i get the results , i can not plot Transmission vs. wavelength . i am begginer. can you help me? thanks in advance
View ArticleDistributing particles Randomly on the top of a 3D model
Hello, I want to distribute some particles ( drawn using the tools in the geometry menu) on the top of a 3D cubical structure using some random function. Is there any way to do this?. Can anyone help...
View ArticleStep function
Hi Ivar I am working on coupled microwave heating and fluid flow with time dependent. I have two step functions to apply for the port and inlet boundary, respectively (please see attachment): Port...
View ArticleRF Module: material dispersion for transient simulations
How do I simulate structures with dispersion using the transient solver in RF module? I am new at this, so any examples or step-by-step tutorials would greatly be appreciated.
View ArticleMEMS RESONATOR 3D: Failed to find a solution. In segregated group 3:...
Hi everybody, I am trying to run the stationary model for a MEMS disk connected to a bar in order to obtain the initial conditions (pre-stress, displacement) to include in the modal and harmonics...
View ArticleBand diagram of 3D periodic photonic crystals
Hi, I try to calculate band diagram for 3D photonic crystal using RF module (version 4.4). At first, for the sake of simplicity, I plot a cubic unit cell and set Floquet boundary conditions (3 pairs)....
View ArticleHow to define EM radiation due to local temperature (Fluctuation-Dissipation...
Hi, I am working on simulation of thermophotovoltaic cell, which is a PV cell illuminated by radiation emitted by a hot body. To simulate the PV cell I need to know the incident radiation from the...
View Articleextinction coefficient
hello guys, I wanna calculate the extinction coefficient of a single gold nano particle or something. As my major is not related to RF calculation, I cannot obtain anything about extinction...
View ArticleTransfering comsol solutions to another grid system
Dear all, I am simulating fiber modes using COMSOL in conjunction with MATLAB. After simulating the modes, I extract the modes (Ex,Ey,Ez,Hx,Hy,Hz) with the intent to calculate the overlap between the...
View ArticleHello I have a general queries about one of your comsol thread
Hello I am a research undergraduate student working at the University of Toronto, Currently, I am trying to figure out how to simulate light propagation through a multilayered structure in Comsol...
View ArticleTiO2 Absorption Spectra
Hi. I am studying the plasmonic effects of gold nanoparticles on a substrate (TiO2) and have successfully used the Scatterer on Substrate model to do this. I am able to produce an absorption spectrum...
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