Extract data comsol with matlab
Hello,I use COMSOL with Matlab livelink for running EWFD simulations. I simulate 2 modes for each frequency of a large sweep. I want to extract the data for each mode from matlab but I can only have...
View ArticlePhysics toolbar, Domains, Coil
Hi,I am trying to model a loudspeaker driver, according to a tuturiol https://www.comsol.com/model/loudspeaker-driver-1369 And at page 20 I need to choose 'Coil' in the 'Physics' toolbar in the...
View ArticleFillet for three line vertex
Is there anyway to create a fillet for a corner that connects three lines in COMSOL Multiphysics 5.3a for a 2D model?
View ArticleMeasuring out-of-plane displacement in plane stress
Hello everyone,I am modelling some contact considering a 2D plane stress situation. I would like to know how to measure the quantity of material which moves out of the XY plane. The variable comp1.w...
View ArticleMultiple studies on 1 graph
I am using Comsol to model a grounding electrode. I want to alter the length, and other factors but then to plot all of the results on same 1D graph. I have absolutely no idea how to do this so any...
View ArticleHeaviside function for heating and cooling phase
Hi I am simulating laser material removal process. I have used heaviside function to differentiate the two phases (solid and evaporation). My analytic function is flc2hs(T-Tsol,Tevp-Tsol). According to...
View ArticleTHz absorber using Graphene-simulation
Hey everyone,I am new with COMSOL, and I wanted to simulate and recreate a published reference for which the link address is given below. I tried to create the geometry, but it seems really hard to...
View ArticleActive medium in laser cavity
Hi,I am new to Comsol, and I am working on simulation of laser cavity. When I simulate the active medium, I just set the imaginary component of refractive index to negative in material properties. And...
View ArticlePeriodic Condition
I'm new to COMSOL. I'm using 5.3a. I was trying to replicate the case presented in https://www.comsol.com/video/modeling-the-thermal-management-of-electronic-devices-in-comsol-aug-9-2018, a forced...
View ArticleUsing Floating Potential for multi PZT mounting energy harvester
Hello sir I sathishkumar doing a project on vibration energy harvester with two number of PZT mounting. Initially I modelled cantilever energy harvester with two piezo electric patch. I calculated open...
View ArticleACDC Electromagnetic dynamic simulation
Hello, I am a Comsol beginner.I would like to study the movements between two cubes, induced by electromagnets positioned on their edges.Picture hereI want to study how the electromagnetic forces can...
View ArticleBoundary condition setting of static liquid in a channel
The question is that I don't know the exactly correct boundary condition setting of static liquid in a channel. In other words, the initial velocity of the liquid is 0. Then I want to ask if i could...
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how to split a model in 2 domains?
I have created a 3D Modell. I want to create a domain like the picture drawed (the blue line) can anyone tell me what should I do?
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How to refine the mesh in parts of the model？
I havee created a 3D Model. How can I to refine the mesh in parts of the model (like the picture in red circle)?
View ArticleSolution Update - Study modification
Hi All, I have a basic question. I am simulating some mechanical structure in frequency domain for example between 100Hz and 150 KHz, and I want to extend my solution from the previous interval to 100...
View ArticlePEM Fuel Cell
I am simulating Oxygen flow pattern in Proton Exchange Mebrane (PEM) half cell (cathode side). I manage to produce the 3D plots for Oxygen concentration,current distribution, velocity and Pressure....
View ArticleHow to build a three-dimensional model that is symmetry about one plane
I know the COMSOL can build a three-dimensional model that is symmetry about axis. However, how to build a three-dimensional model that is symmetry about one plane?My model is a thermal-electrical...
View ArticleDoes the model of the adhesive force of double sided sticky under the...
Hi, simulating the adhesive force of double sided sticky under the sinusoidal vibration. Two boards are connected by a double-sided adhesive, the upper of them is fixed on a sinusoidal motion shaking...
View ArticleQuery regarding parametric sweep for Particle Tracing module
Hopefully you all would be fine. I have a query regading parametric sweep. I'm doing simulation on particle tracing module. I have set initial position of particles and have given them velocity...
View ArticleAxial Symmetry in User Defined Physics -> Coefficient PDE
Hi,how do I get axial symmetrie in Coefficient PDE? I have a 2D Axial-Symmetry-Model. Whenever I create a new standard Physics, Comsol automatically adds the "Axial Symmmetry 1" as a boundary condition...
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