Drawing a sinusoidal wave in COMSOL
Hello; How can I draw a sinusoidal wave as a part of a geometry in COMSOL? Thanks for your help. Sincerely; Uldouz
View ArticleSolid Particle motion in microchannel
Hi, I'm currently working on a project where I need to simulate the thermal effects that a moving particle has on a surrounding moving fluid due to a heater situated at the base of a microchannel. For...
View ArticleEfficiency of solar panels – transition line
I want to calculate the efficiency of solar panel, I know that the answer need to be approximate 15% because this information I find in the website of one company that manufacture the solar panels, but...
View ArticleChemial Engineering, Mass Transfer, Diffusion
I'm simulating the dissolving process of a sphere like droplet in another liquid. The droplet it composed of S and P. S can dissove into the out phase liquid W, while P cannot and stay in the droplet....
View ArticleNeed help regarding use of optimization tool for inverse heat transfer problem
Hi, I have just started using "Comsole V4.2a". Can anyone provide me any tutorial regarding a simple inverse heat transfer problem ? The problem may be finding out thermal conductivity k, using known...
View ArticleQuestion about example- "Plasmonic wire grating"
Dear all: I have a question about the example "Plasmonic wire grating". In this model, I saw that the Floquet boundary condition applied at the left and right boundary is that kF=kax (wave vector),...
View ArticleInitial Conditions for Sine-Wave or More complex disturbances
Hi Everyone, I have reviewed previous posts in Comsol forum about I.C . One of the suggested ways of applying the I.C was to do a stationary analysts before the time-dependent one. (This can be true...
View ArticleDC discharge dc.de_4
Hi, I am starting to use the plasma module and I am currently having a look at the DC discharge example (www.comsol.com/showroom/documentation/model/8640/). During the model set up the value of the...
View Articlethermally resistive layer
Hi everyone, I am modeling a pipe with fluid circulating within by coupling heat transfer and fluid flow and the pipe diameter is defined in the geometry section. i need to define the pipe wall...
View ArticleHow to display "Cut Point 3D" data sets?
Hi there, I want to simulate and visualize discrete measurement points which I import from another application as distinguished "Point" objects in the geometry of my 3D-model. So far I've created a...
View ArticlePart of module
Good day. It is possible to create a report in which it was shown as part of the model? Thank you.
View ArticleSurface temperature dependent heat transfer coefficient
I'd like to apply a convection heat transfer boundary condition to the attached problem. Currently I am using a constant convection coefficient (h=10 W/m2K) on the interior gypsum surface. I have...
View ArticleCoupling plate and acoustics
Hi everyone, I'm trying to model a axisymmetric disk in 2D which is actuated with 40kHz in the middle in axial direction which gives a pressure wave in the surrounding air. The air is represented by an...
View ArticleParameters in file name
Hello all, I am in a situation where I need to work with 40 or so parameters, and as a result when I export my results from a parametric sweep (with parameters appended to the file name) the file...
View Article3D meshing of thin layers
Dear all I want to mesh a 3D model using different layers with various thicknesses. I used Free Tetrahedral meshing but for the thin layers (about 100 um in thickness) in the model the following error...
View ArticlePulsed Jet
Hello, I'm trying to make a pulsed jet for a tilted Micro Jet for flow control. I want to ask you guys if it's possible to make it, how can i do it? Salut, Je suis entrain d'essayer de réaliser des...
View ArticleMixing two materials
I'm trying to simulate the behavior of a model made of a material which is a mixture of two materials available in the library. The materials are mixed in unequal proportions. I'm able to calculate the...
View Articleerror of 'Failed to find consistent initial values'
Dear all, I have been trying to develop heat transfer (laser pulse model), but After building model when I run the program, COMSOL showing me error .......
View ArticleElectrical Circuit and Comsoll
Dear memebers I Work with Comsol 4.3 ACDC. I know now how to import a SPICE Netlist to Comsol.But I still have a problem. I followed the exmaple in ACDC modul called "inductor in a Circuit". So to be...
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