Simulation of third order nonlinearities such as four wave mixing in silicon...
Hello; I myself think that simulation of nonlinearities is possible by COMSOL. However, I have not tried it until now. The question in my mind is possibility of launching several fields (several...
View ArticleDrawing 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 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 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 ArticleHow to see all the surfaces or interfaces of a volume
Dear Sir/Madam, This is Keyvan,from Politecnico di Milano, If I have a 3D result including 5 layers of interfaces; how I can see this different surfaces? I am trying to see the current density...
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 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...
View ArticleCommunication between Comsol and Matlab
Hello Forum, I encounter a problem when I try to use a Matlab function within Comsol. I can plot the function in Comsol. But when I try to run the study, I receive the error attached: "Failure loading...
View ArticleWater balloon deformation
Hello, I've only recently started using this program, so my level of knowledge is not very high. I'm trying to model the physical deformation of a water balloon due to external force (get the shape in...
View Articlecurrent in 1D element
Hello everybody, I have a network of 1D elements and I have modeled the current flow inside them using Coefficient from edge PDE. So after running the model I have the voltage in all the structure as...
View ArticleHow to calculate the transmission
Dear all, I have a question about how to calculate the trasmission through the nanostructure. For example, in the "Optical Scattering Off of a Gold Nanosphere" tutorial, we tell comsol to solve for...
View ArticlePipe Flow-T junction-different viscosities
Is it possible and how it can be done to have the inlet flow with 1 specific viscosity and the 2 outlet flows with different viscosities - in other words a distillation process? Thanks,. -- Arthur Rupel
View ArticleAdaptive mesh refinement within a parametric sweep
I am trying to solve a fluid flow problem over a range of inlet flows using a parametric sweep. The solution does not converge at higher flows, so what I would like to do is run the sweep until it...
View ArticleVibrationg structure in fluid
Hello Everyone, This is my first project with Comsol so I have no clue about what I am doing really. My questions are most likely very simple/stupid I'm sure anyone here can help me. What I want to do...
View ArticlePlot templates?
Hello, what is the trick to manage all the results coming from different sets of parameters? i run each set into a new mph file. trouble is, when i improve one of the models, i need to correct all of...
View Articlehow can I get the correct volume value and the body resistance!
In joule heating model of 3D with comsol 4.3, using the measure tool, I can't get the volume value, only displaying as follows "Domains: 1. Faces: 8. Edges: 12. Points: 6. CAD objects: 1.", How can i...
View Article