A SMALL DOUBT ON PORT POWER VALUE !
Hi all, I am new to this software and I am trying to simulate a multi-layer structure on which plane electromagnetic wave is allowed to fall at normal incidence. I kept the port power at the default...
View ArticlePort Definition in "Plasmonic Wire Grating" Model of COMSOL
Hi Everybody, In the solved model “Plasmonic Wire Grating” 6 Ports are defined for measuring different order of grating scattering. I tried to remove Ports 3, 4, 5 and 6 just to measure T0...
View ArticleFloquet boundary conditions in multilayer structure.
Hi all, I am trying to simulate a multi junction solar cell (for eg: Si/SiO2/Al) and trying to study the electromagnetic behavior of it. For periodic conditions I had used floquet boundary conditions,...
View Articlepropagating electromagnetic wave on a surface
Hi All, I'm wondering if there is a possibility to mimic a surface wave propagating by using a very thin waveguide structure rather than utilizing surface plasmons. For example, can we use a thin...
View ArticleHow to add a condition on the mode solver when using the parametric sweep?
Hi, I am using the RF module of COMSOL 4.3b to determine the effective refractive index of the modes of a waveguide as a function of the wavelength (for instance between 600 and 700 nm). I am therefore...
View ArticleComments on an old topics
Dear Ruud, I have a question about one of your reply on an old topic:www.comsol.es/community/forums/general/thread/16346/ I also want my solver to use the previous result to calcule the next one, but...
View ArticleIMPLEMENTING SOLAR SPECTRAL IRRADIANCE DATA (AM 1.5G) ON A 2- D SOLAR CELL
Hi, We are trying to simulate a 2-D solar cell using comsol multiphysics 4.3 a. We had succeeded in the initial part. Now we want to incorporate the spectral irradiance (AM 1.5 G SPECTRUM) into my...
View Articlehow to fix port boundary shown as "not applicable"
hi, I am a student studying COMSOL in Korea. I have a problem to model a electromagnetic waves, frequency domain. The problem is that I can only choose Port boundary as the outside boundary. In...
View ArticleHow to mesh very thin films/ layers in MEMS switches? How to make use of...
I want to run electromechanical simulations on MEMS double clamped structure. The problem I am facing is on meshing the thin features in the structure. The top electrode and bottom electrode are each...
View ArticleQuestion on a thermal lens
I have encountered a problem. I put a silicon glass slab exposed under a Gauss beam. Air cooling is added. For the first step I used RF to see how the light transmitting through the slab, which is...
View ArticleGhost domain, bug?
I have a curious problem with Comsol (4.3b and 4.4) with ghost domains. If i look at the geometry and select all domains, i have, ie 10 domains. When assigning materials, then the 11th domain appears...
View Article1D rcs plot of a cylinder with respect to aspect angle
I have simulated rcs of a perfectly conducting cylinder. Results are shown in polar plots & also in 3D plots. But in case of 1D plot i am unsure about the rcs expression for the y axis parameter. I...
View Articleoptical properties versus chemical composition
Dear All, I want to know how Comsol can predict the optical properties of materials versus chemical composition? does Comsol have this capability? If yes, which Madule I have to use. Thank you very...
View ArticlePhotonic crystal fiber
I am trying to model a photonic crystal fiber with liquid crystal filled holes.. I am a starter and it would be really helpful if any one can help me regarding the resources from where i can learn the...
View Articlesolid core photonic crystal fibers
hai. Iam doing research on solid core photonic crystal fibers I have doubt in calculating mode field diameter and confinement loss of solid core photonic crystal fiber Presently doing simulation using...
View ArticleWhat's the difference between the "harmonic propagation" and "scattered...
Dear all: IN the RF => In plane wave model ,What's the difference between the "harmonic propagation" and "scattered harmonic propagation"? Q2. if I set the square and draw the rectangle around the...
View Articleparameters names must not be empty
Hey, again, this is an error I ha with comsol 4.3: parameters names must not be empty I need a quick help attached is my comsol file, you just need to run it and see the error. and also i attached a...
View ArticleHow do I retrieve cross- and co-polarization T/R data from heterogeneous...
COMSOL'ers: I have a complex periodic array structure (dipole on substrate on ground plane) illuminated by an oblique plane wave. If I were to define an incidence plane (say x-z plane) and launch a TM...
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