Type of physics needed to solve thermal stress and strain between 2 materials...
Hi, I'm still a new man in COMSOL Simulation. Basically, i'm not quite sure how to use the suitable physics to include in my problem stated in the subject matter. Can anyone help me on that? Since i'm...
View ArticleLarge Deformation Analysis- Convergence Problem
Hi All, I encounter a convergence problem in my COMSOL model. It is greatly appreciated if someone help me to solve this problem. As you can see in the attached model, I am modelling a cartilage using...
View ArticleFailed to evaluate variable. - Variable: mwp.V0 1 - Global scope
Hello dear Comsoler, dc.cir1.R1_i is something like in the dc module the current through R1 of circuit1... I can somehow find out what the variable name is... but what when there is a space between the...
View ArticleUndefined value found
Dear COMSOL Community I have a question regarding the example of the Vanadium Redox Flow Battery (www.comsol.com/showroom/documentation/model/14153/). I have tried to simulate it but I get following...
View ArticleHow to figure out the wave type for scattering boundary condition?
Hello, I'm a newbie in Comsol and I have a question, which you might be able to answere. I want to simulate the absorption and scattering of nanoparticles illuminated with an incident plane wave. My...
View Articlehow to get no gridlines in comsol plots
In any 1-D plotgroup whether a point or line graph is there a way to avoid grid lines and retian the tick labels
View ArticleEvaluation of line integral via Matlab
Hey! I have a question concerning the evaluation of results via Matlab: I added a line-integral to my model in the Comnsol-desktop which I can see in the exported m-file as:...
View ArticlePhD position available
Dear colleagues, We are looking for a higly qualified PhD candidate to start towards the end of this year. The PhD study would take place at the Institute for Technical Physics...
View Articlecurrent
Hi there, I´m modeling the distribution of the electrical potential applied by an electrode (1V) in different media using the electrical currents interface. For my questionaire, I additionally need the...
View ArticleImplicit boundary condition
Hello, I am trying to solve a set of reaction-diffusion equations and the heat equation, using general form PDE. On one boundary some of the boundary fluxes depend on a quantity (electrochemical...
View ArticleModeling a spring and damper system
I am having trouble modeling a simple 2D spring mass damper system. The geometry comprises the spring at the upper end anchored (fixed) attached to a square mass which in turn is attached to a damper...
View ArticleHow to deal with Contact problems, Adhesion!!
Hello Everyone, I am dealing with the topics of contact mechanics and adhesion. In my case, two surfaces are adhered strongly and I would like to model the detachment of contact or treat it as a crack...
View ArticlePlasticity - Cyclic Hardening
Hi all, I am modelling a process where a steel plate is subject to cyclic forces that cause plastic deformation. As the process is cyclic I am inclined to use the kinematic hardening option - I am...
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 Articlecoil on the iron build!
Hallo everyone, please help me, i wanna only to build a coil on a iron core und this with Comsol, bu i don´t know how is going.. :/ Thank´s you in forward!
View ArticleInternal/Compressive stress in a material
Hello everyone, I have a question about internal stress generation in Comsol. My model consists of two different materials on top of each other. One of the materials (the most outside material in the...
View ArticleLinear induction motor with AC/DC Module
I'm trying to simulate a linear induction motor in comsol using the Magnetic fields physics in the AC DC Module and I am facing a couple of issues. 1. BH_Cuves and non linear solver: I would like to...
View ArticleSpecifying maximum tensile strain in Comsol
Hi everyone, My question is on material properties available in Comsol. I'm using the solid mechanics module of Comsol, and the analysis type is stationary. Currently I have included an elasto-plastic...
View ArticleLarge Magnetic Force
Hello I'm modelling a simple E-shaped core made of iron and everything looks fine to me (!) There is an air gap between the core and the armature to which the magnetic force is applied. The magnetic...
View Article2-Step Full Field followed Scattered Field Simulation
I am trying to solve for the scattered electric field from a gold nanoparticle on a semiconducting substrate, using a 2-step process identical to the example file "Scatterer on Substrate." When solving...
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