"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 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 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 ArticleMHD
Hello. Does anyone advise me where to be found magnetohydrodynamic model in comdole? Thank you.
View ArticleHow to get output voltage
Sir I am working on the inbuilt model of comsol 4.3a AC/DC Module Motor and actuactors Rotating machinary 3D. Can Any body tell me How can I get output voltage? Please Help me . Thanking you
View ArticleLooking for someone with comsol experience
Dear all I need some comsol models to do in the next month. I don't have much time and experience to finish all so I am looking for some help. The simulation must be in the Ac DC module to model the...
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...
View ArticleHysteresis loss Modelling of Inductor coil
Hello I have simulated inductor using AC/DC module and I have calculated the inductance and magnetic field around the inductor but now I want to calculate the hysteresis loss in the inductor. For that...
View Articlefree boundary conditions
Hi everyone! i'm at the very first steps with comsol. i'm building a model that simulates the tumor growth. the equations that describe the growth are initially defined in a spherical small domain (the...
View ArticleApply load to a deformed mesh/geometry
I have applied load to a hypeelastic material model for a stationary structural analysis and I have gained the deformed result. I am trying to apply the second load to the deformed boundary on the...
View ArticleModeling endovascular ablation
Hi, I am trying to model endovascular ablation. I checked the video tutorial on tumor ablation, and used some tips from it, but in my case, I also have a laminar (blood) flow within the vessel. My...
View Articlelaminar flow in tube
Hi iam new to COMSOL i want to design flow in tube and valve to obstruct in the end. By changing the valve positining i want to simulate the strain distribution on the surface of cylinder(tube) can...
View ArticleSeparating mesh of sub-domains
Hello every one i made a model when has 3 sub domains, i want to export the total Mesh of my mode. file->export->Mesh to file and saved. this file includes the node and element information of...
View ArticleDefining the outflow boundary condition for PDE interface
Hi, I am modeling species flow and transport in fracture-matrix system. Fracture is a thin space on left-side with connected matrix on the right-side. Dissolved species in water enter at inlet of the...
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