Metamaterial Simulation
Hi, I'm currently attempting to recreate the results of a metamaterial simulation. The main article can be found here: pre.aps.org/pdf/PRE/v76/i2/e026606 There is also another presentation that shows...
View ArticleFabry-Perot microwave resonator modes
Hi, I'm trying to build a model of a cylindrical microwave cavity resonator with spherical mirrors. I'm new to COMSOL so I think there is something basic I am missing but when I try to compute the...
View ArticleCPW with Resonator
Dear Community, I've been trying to set up a model of CPW with a split-ring resonator (SRR) for quite a while now. Sadly, without much success. I've also tried to alter a couple of the related problems...
View Articleadding results after parametric sweep
Hello everyone, I have a question regarding summing up results while running a calculation with parametric speep. Here is what I want to do: 1. solve the rf module calculation where I get E-field in a...
View ArticleOscillations of E/H inside a sphere bounded with a PML
Hello, I have some results but I'm not confident if they are correct. I am simulating an antenna which should generate very strong electric field, and I want to test it at the frequency of 200MHz...
View ArticleUsing symmetry with PML in RF Module
Hello, My question is about possibility to utilize a symmetry in cases like in dipole antenna. The example model of halfwave dipole antenna from COMSOL models it without taking any symmetry into...
View ArticleDye sensitized solar cell (DSSC) simulation
I want to simulate the electrical behavior of a DSSC. This kind of solar cell is made in a sandwich like structure. First of all, there is a FTO glass like electrode. On this glass it is deposed a TiO2...
View ArticleHow to calculate the acoustic modes by RF module in COMSOL ?
We can calculate the optical modes by RF module in COMSOL . But I did not know how to calculate the acoustic modes which is produced by Brillouin scattering. ?Would you please give me more detailed...
View ArticleMagnetic Field inside Gap of Toroid
Hi - I am new to COMSOL (going through tutorials now) and have some questions in regards to modeling magnetic fields. I want to model the magnetic field inside of an air gap in a circular toroid. I...
View ArticleMicrowave Heating with resonance frequency correction
Hi all, I am designing complex microwave equipment and I need to create a computational way to recompute the new resonance frequency during the microwave heating study. The material loss factor...
View ArticleBoundary conditions for Eigenfrequency analysis
Hi all, I would be greatful if someone here could help me. I am trying to simulate the resonance of a simple metallic dipole antenna With a small gap in the middle for field concentration at THz...
View ArticleIntegration of Electric field over the frequency/ wavelength
I am modelling solar cell using the RF, electrostatics and transport of diluted species interfaces. I have obtained the electric field using the RF module. To find the generation of e-h pairs, i need...
View ArticleSaving electric field plots
Hi all, I have programmed a simulation to output the intensity of the backscattered reflection off a particle due to an incident Gaussian beam. In order to do this I have declared my far-field domain...
View ArticleScattering of a plane wave by a nanosphere
I have been tried to simulate the scattering of a plane wave by a single metallic nanosphere using the RF Module, however with no success. During the computation process, an error message was shown....
View ArticleHow to calculate Electric force?
hello, guys I have tried to calculate electric force by electric field distribution in RF module. As I explain my model, 785-nm laser is incident to the nano structure(like a bowtie), by the result,...
View Article4th order pde
Hello everybody, I have 4th order pde equation (Navier sokes lubrication aproximation). As I know I need to make intermediate depended variables of 2nd order. Maybe somebody could tel me where I need...
View Article"MAP FAILED" how to solve the wrong
"MAP FAILED" how to solve the wrong my file is 360MB
View ArticleExport data as .mat file
Is there any way of exporting data as a .mat file? I am trying to export the electric field data of a sytem into matlab. So far, I have been exporting as a spreadsheet, and it organizes the data in...
View ArticleCOMSOL Error for Initial Values(RF Module)
I am defining a model with different concentrations of oil and water and trying to measure the heat distribution by using the microwaves. But I obtained the error mentioning Initial values: THE...
View ArticleA Fabry-Perot Resonator simulation
It's a 3D simulation, there are two Bragg mirrors on each side of the cavity, the geometry is in the attach file[3d geometry].[ Bragg mirror is just alternative silicon and air with thickness of λ/4n...
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