Initial values AND solution as initial condition
Hi, I've got (maybe) a very simple question, but I can't find any answer to my problem. I'm solving a two-step heat transfer problem, the first one is stationary in order to get the temperature...
View ArticleGeometry problem: connect feed to cylindrical cavity resonator
Hi! I need to connect a coaxial cable not on the two parallel face but on the straight line (as you can see in the picture). I have tried to make it with no luck because the electric fields is confined...
View Articlewhat is wrong with the ALE
(all are in the .doc attachment. Thanks) Hi,everyone, I ‘m building a simple model based on the “heat transfer” module and the “ALE” module. The geometry is a simple rectangle. In the heat transfer...
View ArticleSimulation of Water-Toluene Slug flow in milliscale channel
Hello everyone, I am trying to simulate slug flow pattern using a T junction(6mm in diameter, made of quartz glass) with Water and Toluene. I have added input conditions as per a research paper but...
View Articlemeasuring an acoustic wave flight time dependency on the temperature
Hi, Firstly I'm a newbie on comsol, so my problem has been maybe already solved in this forum, but I actually sought and I really didn't found how to make it My problem is : I want to model an...
View ArticleSimulating magnetic fields induced by alternating current in figure 8 coil?
Hi, I'm working on an own project to simulate various things with figure 8 coil which is rather new coil type to be used in medical pain treatment. I'm still rather new to COMSOL and been working with...
View Articlecylindrical resonator cavity with coaxial cable
Hi! Can anybody help me making in Comsol a cylindrical resonator cavity with coaxial cable as feed with a little extension of inner conductor to couple energy inside the cavity? I’ve tried to make it...
View ArticleFree Vibration analysis of MEE plates
Kindly guide me as to how to proceed with the analysis of magnetorestrictive plates. Also, if you can direct me to some tutorial videos or other material regarding the same, it will be a great help.
View ArticleSimulating magnetic fields induced by alternating current in figure 8 coil?
Hi, I'm working on an own project to simulate various things with figure 8 coil which is rather new coil type to be used in medical pain treatment. I'm still rather new to COMSOL and been working with...
View ArticleMixed variable boundary conditions
I have two coupled partial differential equations with two dependent variables u(x,y) and v(x,y) to solve. I have a boundary condition with mixed variables u(x,1)+v(x,1)=16. How can I impose such...
View Articleelectromagnetic simulation model
i need some guidance to create a model to study parameters of electromagnetic and the force it can produce. my plan is to produce two electromagnetic solenoid one with south pole another with north...
View ArticleFeeding Parametric Sweep with Derived values
Hi, I'm using COMSOL for inspecting specific environmental effects on population dynamics. I have a PDE in form of a diffusion equation. But some properties of neighbours have effect in my formula. For...
View ArticleUltimate Weak Form?
Hi, everyone, I understand that we can check the weak expression of each physic under the "equation view", but I was wondering if there is any way to check the "Ultimate weak form" contained the weak...
View ArticleJoin two 1D plots to give average between them
Hi all, Can someone please help me with this, this is my first time using COMSOL. All I am trying to do is show an average of two 1D plots.
View ArticleCOMSOL tutor needed.
Hi, Is there anyone who can teach me COMSOL. I can pay for it. Thanks.
View ArticlePiezoresistive modeling
Hello all I want to simulate a piezoresistive beam with Comsol. I was looking to find an example of piezoresistive modeling to find out what module they usually use and how are the settings but i...
View ArticleHow to model 2D Fluid Structure Interaction FSI if solid collides with the...
Hello Community! Currently I'm working on a 2D symmetrical model of human vocal folds. The problem is very similar to that presented within the FSI tutorial (Application ID: 361). The differences are:...
View ArticleComposite materials
How to model a 8 layer cross-ply carbon fiber composite and pass current form 0-100 A to check the degradation of die-electric properties.
View ArticleUnexpected Displacement Change Between Studies
Hello everyone, I recently received plenty of help from Comsol tech support in putting together a model that operates like so: 1st) Heat Transfer in Solids and Solid Mechanics are coupled in order to...
View ArticleCoupling transport of a species to surface reactions
Hello, I am trying to make a model that has laminar flow, transport of a dilute species, and surface reactions. I want the laminar flow and transport of a dilute species to distribute the chemical...
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