Simulation Zinc-Air battery
Hi everyone!I'm currently working on Zinc-Air battery and I'm wondering what kind of pakage is more convinient to adopt. Is it the battery with binary electrolyte a good solution? I'm a new user so any...
View ArticleHow to Ignore Livelink Licensing Error
Hello,I'm using livelink with matlab to run simulations which involve opening a model. The issue I run into is that when the CAD Import licenses are used up, which my script does not require, COMSOL...
View ArticleMatlab giving Comsol initial values
The below post is related to an archived discussionHello everybodyI have an issue that doesn't seem to be resolved, would be great if you can help me:What I want to do:I use ComSol with Matlab...
View ArticleThe process of forming a weld pool during laser welding
Good day,I would like to ask for your help.I am developing a model for the formation of a weld pool and, to regret, has reached a dead end. I know that the topic is not new and there are a number of...
View ArticleElectromagnetic heating in a 2D axissymmetric AC model
Hello,I am currently working on a project to simulate the electric field behaviour at different temperatures. The application is shown in the attached image. I already simulated it in DC with the...
View ArticleFSI vs Acoustic-stucture interaction
I try to understand the difference between FSI and acoustic-structure interaction (including thermoviscous acoustics and pressure acoustics).After exploring some blogs articles and examples, I have an...
View Articledefiniing an elastic modulus that depends upon location in axisymmetric problem
If you check the 1st attached image, it shows a multilayered portion of a circular "shell". In the middle layer (shaded in blue), I want to define a gradient in modulus such that the modulus decreases...
View ArticlentfluxInt - kinks in plot
I want to simulate a block of aluminum that has a certain temperature and radiates to an empty space. So I set up a COMSOL simulation:Physics: heat transfer in solids, time dependentI created a simple...
View ArticleHow can I customize piezoelectric materials correctly？？
Hello，everyone， Genius and wisdom. Recently, piezoelectric materials have been customized, but the non-convergence and inconsistency of initial value are occured in the simulation model. Then I...
View ArticleHelp with the model of wicking in a paper strip
Hi,I was trying to use the model provided on Comsol website to work on a time dependent wicking problem in a paper strip where the width is a not constant value (the shape is a 6cm-width rectangular...
View ArticleHelp with BC and contact pairs
Hello!I'm new in Comsol and trying to create a simplified track model in 2D, where I'm applying load on the top (of the sleeper). The model has 5 layers: sleeper, ballast, asphalt, sub-ballast, and...
View ArticleHelp with mesh building for a simple 2D geometry
Hi,I was working on a model that couples the physics module Phase transport in porous media and Darcy's Law together. In Comsol Application Gallery, there's an example ' Wicking in a paper strip' where...
View ArticleHow to calculate/export left eigenvectors within the eigenvalue solver?
Dear COMSOL users/employees,after quite some research, I still haven't found a way to calculate and export the left eigenvector to Matlab when performing an eigenvalue study in COMSOL.Some background...
View ArticleHow do you couple the modules “Transport of Diluted Species and Transport of...
Hello, Thank you so much for reading my post.I have to domains that are separated for a thin region that will serve as a semi-permeable membrane. However, I want to specify in one of the domains...
View ArticleFrequency domain modal analysis for piezoelectric device coupled with...
Hi all,What I am trying to do is to build a piezoelectric device with electricalstatic and solid mechanics interface and I coupled it with an electrical circuit interface. In the study I want to do a...
View ArticleProblem with lower coil excitation frequency in Magnetic Field mf module
Dear All,I'm working on the eddy current sensor simulation with the different target material. According to my model, I cannot apply the coil excitation frequency lower than 20 kHz, for example, 1,000...
View ArticleFailed to find a solution. Maximum number of Newton iterations reached for...
Hi All,Thank you so much for taking the time to read this. I am currently encountering some issues with finding a solution for my simulation. For some background, I have a 2D simulation of an...
View ArticleHow to solve the errors in the comsol log file?
Hi, everyone. I used the " Plane wave expansion" approach to set the tightly focused gaussian beam, but when I increased the wave vector count to 100, an error occurred and the log file showed...
View Articlewho know the ''ec.intWe'' means?
In AC/DC，in Electric Currents，in Frequency Domain，in Global Evaluation，what is the exactly expression of ''ec.intWe''?
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