How 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 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 ArticleHow can I export an eps image (vector graphics)?
Hello, I would like to export an image of the model geometry as an .eps file (vector graphics). I could not find how to do that and it seems that the only options are jpg, png and bmp. Thank you.
View ArticleAlkali Silica Reaction (concrete)
Hi there, I am new to Comsol Multi-physics I was wondering if you could help me to model a concrete ASR chemical reaction. Any Ideas please write a post. Regards
View ArticleDoubts with induction heating
Hi, i'm designing an induction heating system applied for an FDM (Fused deposition modeling) extruder for my final proyect. I started using a ferritic stainless steel (430), which has a relative...
View ArticleWorking with tutorial Sliding Wedge
Im working with the tutorial Sliding Wedge, a warning in my resolution said: In segregated group 1: There was an error message from the linear solver. The relative error (0.0061) is greater than the...
View ArticleMesh Resolution Investigation
Hello I wanna check mesh convergence in my simulation. I make the maximum mesh size half in each time. Am I right or I need to make the number of elements half? Is the any relation between the number...
View ArticleOverlapping 1D beams with different properties
Hi all, I am trying to combine two models of 1D beams each with different properties. The 1D models are simplifications of a solid nuclear fuel rod composed of uranium dioxide and its fuel cladding...
View Articlemode analysis of a waveguide
Dear all, I'm trying to reproduce the results which is on www.comsol.com/cd/direct/conf/.../11847_frezza_presentation.pdf (Comsol conference 2011, page 7, symmetric case, neff). Could you let me know...
View ArticleModeling rigid components
Hello, I am working on a contact model where one object is much stiffer than the other. In other modeling programs I have used it is possible to assume the very stiff surface is infinitely rigid...
View Articlehow to define shear modulus with respect to relaxation time ..
i am trying to model homogeneous linear viscoelastic model with the properties of cells ..and a polystyrene bead inside the viscoelastic material .my final result what i am expecting is to get the...
View ArticleFlow in simple geometry does not converge
It's been my first day with Comsol and it's CFD package, so please don't be too hard on me. I have (succesfully, I believe) built my first geometry. It consists of a tube that has several inlets on one...
View ArticlePhase angle for piezoelectric
Hi All, I'm trying to find the impedance phase angle for a PZT-5H piezoelectric frequency domain simulation, but can only find the magnitude. I'm assuming that you need to enter in the tan (delta) and...
View ArticleWhen to use zero or nonzero conductivity for plasmonics?
Hello, We have looked at the Optical Scattering off a Gold Nanosphere model (model 12415) after trying on our own to solve for the frequency response of a gold nanosphere. We also attempted modifying...
View ArticleTransient Drug Diffusion Across Cornea
Hi, I'm doing my first Comsol project and need some help. My project involves modeling transient drug diffusion across the cornea and I would like to show my end results through a transient diffusion...
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