Show parameteric value on plot
I've made a model of a hi-pot test setup to visualize how the electric field changes at a discontinuity as the conductivity changes (fixed potential). I'ts working great, but now I want to make an...
View ArticleScattering boundary condition and port with plane wave
Dear all, I want to simulate the periodic nanostuctures on silicon. now i am using comsol 4.3a version which is not supported PML with port boundary. for that i need to define the Scattering boundary...
View ArticleEigenfrequency of Piezoelectric shunts
Hi, everyone Recently, I try to utilize the coupling modules (Piezoelectric Device+ Electrical Circuit ) to evaluate the eigenfrequency of piezoelectric shunting system. However, I come across some...
View ArticleGraphene in COMSOL?
Hi, I need to build a graphene sheet (for both 2D and 3D geometries) on an underlying substrate for simulating some experiments in COMSOL. Any help on this, as well as subsequent meshing (for...
View ArticleProcessor with DMI bus type which has higher clock speed and max memory...
Hello all, Which is better between Intel Core i7-3930K and Intel Xeon E5-2620 for best computation performance in COMSOL? Let's assume both using 64 GB of RAM. I noted that Core i7-3930K has clock...
View ArticleNonlinear Material Property
Hi, I am using the Electric Currents interface to model the flow of current through a material of a given conductivity (rho). I wanted to make this material have a conductivity that would vary...
View ArticleMixture Three different liquids
Hi All, I'm new to COMSOL Chemistry model and I'm trying to simulated an interdigitated capacitor crossed by a fluid composed of three different liquid (Gasoline, Water and Ethanol). How i can simulate...
View Article"segiter" ?
Hello! I need a help please. what is the parameter "segiter" in pairs contact?
View ArticleCreate a curved cylinder in Comsol 4.3a
Hello, I want to modelling a thermal and mechanical behaviors in a curved pipes to simulate an underfloor model, so i began to draw the geometry in 3D by COMSOL 4.3a version , so the problem i can't to...
View ArticleLiveLink for CAD - can it handle multiple parts?
Hi All, Can LiveLink for various CAD products handle multiple parts or assemblies? All the documentation/videos I have seen on LiveLink show it being used with a single part. Although using a CAD...
View ArticleCoupling 1D Pipeflow to 2D axisymmetric Porous Media
I am working on coupling 1D pipeflow to 2D axisymmetric porous media. The coupling is peformed by averaging the 2D boundary to the 1D point and integrating the 1D point to the 2D boundary. The coupling...
View Articlefailed to converge with smaller scale
I am simulating plane wave in a cube with using two ports and periodic b.c. The solution is fine when I use a cube with 1 mm and for any dimension above that, when I go to micro meter I get the error:...
View ArticleFlow in an oscillating/inclined microchannel
I would like to simulate the flow within an oscillating 2D rectangular box, similar to a seesaw motion. The flow is to be gravity induced, similar to what you would expect if you place a partially...
View ArticleCreating geometry with loop
Dear All I am doing some calculations in Mechanics module. My problem is how to create circle with different radius R1.......Rn and do calculation for each radii in loop. Regards, A
View ArticleLumped Port Microstrip antenna set up
Hi folks, i am completely new to COMSOL and i am struggling with a few basic things for my uni project. I followed the tutorial for the inset microstrip antenna provided. I must have done this ten...
View Articledielectric shielding
Dear all, I want to add a dielectric around a wire (A=0.1*0.1cm2). I go through COMSOL version 4.1 user guide and I found out that there is Dielectric part in Electric Current node. But I could not...
View ArticlePlot 3d result only in specific area
Hi everyone, Is it possible to plot a 3d surface data only in specific designated area? I have a 3d temperature data that has a rectangular shape and I want to plot only the upper-right area of that...
View ArticleTwo phase flow using Phase field
As a matter of fact, the interface height should vary with flow rates of fluids but my interface is the same for different flow rates. Here I attach the file which I did. Someone please find the fault.
View ArticleMHD
Hello. Does anyone advise me where to be found magnetohydrodynamic model in comdole? Thank you.
View ArticleFailed to find consistant initial values. in Electric Current simulation
Hello Everyone~ I have question and need your help. In the file I attached, there is simple model comprised of materials, Air, Liver tissue, Blood, Electrodes and Troca base. When I define block1, 2...
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