Temperature distribution in the focal plane of a solar dish receiver
I have a question regarding the solar dish model: is it possible to evaluate the temperature distribution in the focal plane? I noticed that in the “Results” section, by adding “2D plot group”, a...
View ArticleColor range
hi, i have a simple question. how can i change the range of colors in the beam that you can see in the picture? like having a range of all colors such as red and yellow. thank you
View ArticlePass a vector calculated by Matlab to Comsol
Does anyone know how to pass a vector calculated by Matlab to a variable or material property in Comsol？ (except using the interpolation function or external matlab function). Just like using a simple...
View ArticleWrong Electric Field Results
I have assigned electric potential of 600000 V to the boundries of square box shown in the attached picture. I do not know why it is showing zero electric field in the corners of the box. Please help...
View ArticleDetermining the definitions of all variables that were used in my simulation
Hello, COMSOL Users.I am trying to prepare a thesis of work that I did using COMSOL Multiphysics 5.4. In that thesis, I would like to mention all of the equations that were used in the simulations,...
View ArticleMultiphysics about electromagnetic heating
Dear allI need to know the temperature after the inductive heating. The definitionof materials as the pic I upload. I am simulating a inductive heating in comsol. I feel confused after I define the...
View ArticleOptimization Problem
hi guys;I can't get the assial-symmetrical model required: I have a charge of variable radius, with a predetermined charge density and I am at a certain distance from it; I have a spire in a certain...
View ArticleHeterogeneous mechanical properties for External Material Model
Dear All:I want to input a herterogeneous Young's Modulus (generated in Interpolation funciton) into the external material model. However, I found the external material model cannot recognise the...
View ArticleApplying current to a cylindrical wire in MF
Hello, I have a question in comsol and it might seem kind of obvious but how can i apply a current in a wire in mf in order to study the magnetic field? Thank you in advance for your time
View ArticleHow to give AC input for a two electrode electrochemical cell?
The below post is related to an archived discussion[start here]
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View Article"Best suppliers of heavy Gold nuggets and Gold Bars for sale+27715451704 ''in...
"Best suppliers of heavy Gold nuggets and Gold Bars for sale+27715451704 ''in Namibia, South Africa, Mozambique, Zambia, Malaysia, Lebanon, Berhrain USA, California, Dallas, England, German, Spain,...
View ArticleUndefined value found. - Detail: Undefined value found in the equation...
Hello, I am trying to simulate fuel cell with serpentine flow field but it shows this error, I already checked with boundary condistions and all are as described in tutorial. "There are 171 degrees of...
View ArticleFailed to run method
I am recording a method, then run that method to a similar file. The method is like this:model.result("pg39").run();model.result().dataset("dset1").createDeformedConfig("deform1",...
View ArticleWave Propagation
Hi, I have a simple question ! For example, I build a waveguide in 2d harmonic TE modes. Then solve it for different frequencies and saw some wave proportions patterns. Now I want to turn to the...
View ArticleHow to study the dynamic fluid effects on an acoustic wave?
Hello all.. I need to study the effect of dynamic fluid on acoustic wave propagation using Comsol 5.4. I don't know exactly which interface of the software to be used. Can someone please help me with...
View Articlehow to return the previous step
Hello, I'm new at this software. I am trying to find a shortcut key to return the previous step. For example, we couldn't use ctrl+Z to undo wrong operation. it's so hard to settle the wrong operation...
View ArticleHow to get the area and volume after model deformation?
Good morning everyone, Recently, I encountered a problem when using comsol. I wanted to get the area and volume after the model deformation, but the integral value is always the area and volume before...
View ArticleMultiphysics 5.4: PIN Solar Cell modeling error
Hello,I am a new user of comsol multiphysics, currently using multiphysics 5.2.I wanted to learn about solar cell simulation in multiphysics. I searched and found a youtube tutorial, where multiphysics...
View ArticleHow to find the imaginary part of effective mode index
Recently I was using Comsol to simulate the bending loss of optical fibers, after adding the PML to the fiber, the result of effective mode index is still a real number, to calculate the loss I need to...
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