sellmeier equation
could anyone please tell me sellmeier co efficient values(b1,b2.b3,c1,c2,c3) for topaz. thanks in advance.
View ArticleFinding the Inductance of a Moving Spiral Coil
Hi everyone, I am trying to simulate an out-of-plane spiral coil that expands and contracts based on the change of its temperature. The spiral coil is exposed to a radio frequency field between 10 -...
View ArticleUse PML and Infinite element domain simultaneously
Hi I use RF and Heat Transfer Physics at the same time. I use PML In the RF as the boundary, but in the Heat Transfer I have to use Infinite element domain as the boundary. Could I use PML and Infinite...
View ArticleHow to determine domain number from a given block name.
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hello, I am working on Patch antenna,i wanted to plot S-parameter Vs frequency plot,how can i plot it. Kind regards, Sachin
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View ArticleInconsistent Unidirectional Constraints
Hi,www.comsol.com/community/forums/general/thread/34736/ May I ask if you have solved this error message during the Floquent Boundary Condition? Yes, sometimes a slight modification on the meshing...
View ArticleInconsistent Unidirectional Constraints
Hi,www.comsol.com/community/forums/general/thread/34736/ May I ask if you have solved this error message during the Floquent Boundary Condition? Yes, sometimes a slight modification on the meshing...
View ArticleFresnel Equations Model Frequency Sweep
Hey guys, I would like to change the COMSOL Wave Optics/RF model, the Fresnel Equations model, to change the transmission and reflectance vs. alpha to transmission and reflectance vs....
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Hello. I am studying silicon waveguide using RF module in COMSOL 4.2a version. My questions are what is the convergence in COMSOL multiphysics? is it fine that I got the convergence value which is...
View ArticleUnable to calculate complex field for transient electromagnetic waves module
Hi all, I'm trying to simulate a Gaussian beam propagation in time domain for 780 nm light. I'm using the Electromagnetic waves transient RF module. And I use scattering boundary condition for incident...
View Articlereflectance
Hi, I want to simulate the reflectance of the interface between air and glass useing comsol 3.5a, which should depended on the incident angle, but the reflectance I have got is a constant. I'm a new...
View ArticleNegative power flow for dipole in free space?
I am getting a negative power flow in the z-direction (emw.Poavz) at the dipole location. My model is attached. Ignore the nanorods (they've been set to free space). What is going wrong here?
View Article2D domain backed interior ports don't work
Has anyone been able to get domain backed interior ports working in 2D? I have found that whenever I use domain backed ports in 2D, the fields are all set to 0. I've tried changing the boundary...
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Hi , I am getting this type of error whey i am trying to start simulation. "Variables property does not include all variables in Xmesh" Could anybody can give me any solution/ suggestion. Thank you...
View ArticleDEP particle tracing for fluid flow COMSOL 4.3 simulation
Hi, I've tried to simulate dielectrophoresis by using the particle tracing for fluid flow module of COMSOL 4.3, but I' ve encountered some problems with the dielectrophoresis force. I am trying to...
View ArticleCOMSOL help needed. (RF module - Heating of water using waveguide)
Hello there, I am a relatively new COMSOL user who is in the process of validating a paper, to be able to get a better grasp at COMSOL. The paper I am trying to validate using my simulation can be...
View ArticleHow to obtain the fundamental mode of fiber by using 2D axisymmetry axis
Hello Everyone, I try to use the Optic Wave module to simulate the fundamental mode of fiber in the 2D axisymmetry axis, but the results show the higher-order modes. Maybe in 2D axisymmetry axis, the...
View ArticleHow to draw the geometry of the tapered fiber
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View ArticleE&M gauges
How does one specify gauge for E&M simulations? I would like to do a simulation in velocity gauge and sweep the solution from temporal, through Coulomb and all the way to Lorentz gauge. Or go to...
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