Laser beam in comsol
Hi, I want to input a laser beam in comsol and see its effects after passing through a grating, mirror etc. Is this possible to do? Thanks
View ArticleMixed Ionic/Electronic Conductor
Hey guys, So my lab is trying to model a mixed ionic/electronic conductor, and we're able to successfully do so if we just treat the electrons and holes as any other charged species and put everything...
View ArticleCentroid/Center of mass
Hi, I have a COMSOL geometry composed of many different domains, each acting as an individual "grain" structure in a metal. I would like to find the centroid of each individual domain. I could find the...
View ArticleCentroid/Center of mass
Hi, I have a COMSOL geometry composed of many different domains, each acting as an individual "grain" structure in a metal. I would like to find the centroid of each individual domain. I could find the...
View ArticleCentroid/Center of mass
Hi, I have a COMSOL geometry composed of many different domains, each acting as an individual "grain" structure in a metal. I would like to find the centroid of each individual domain. I could find the...
View ArticleCentroid/Center of mass
Hi, I have a COMSOL geometry composed of many different domains, each acting as an individual "grain" structure in a metal. I would like to find the centroid of each individual domain. I could find the...
View ArticleCentroid/Center of mass
Hi, I have a COMSOL geometry composed of many different domains, each acting as an individual "grain" structure in a metal. I would like to find the centroid of each individual domain. I could find the...
View ArticleCentroid/Center of mass
Hi, I have a COMSOL geometry composed of many different domains, each acting as an individual "grain" structure in a metal. I would like to find the centroid of each individual domain. I could find the...
View ArticleCentroid/Center of mass
Hi, We have a geometry which has lots of domains and we need to assign different material properties in an automated fashion to all the domains (using a script in MATLAB). Furthermore, the material...
View ArticleTorque Calculation between diametric magnets
I'm trying to calculate the torque imposed on a diametric magnet as it rotates within the field of another permanent magnet. The model appears to work, however the values I am getting for the torque...
View ArticleEigenfrequencies of a spring WITH Gravity
In the real world, I have a flat steel beam that is acting as a spring. It starts out curved into a semicircular shape, and then it is loaded with a hanging weight that brings it down flat. I want to...
View Articlerf mems switch design (comsol 4.2a)
HeLLO, i'm working on designing a switch that should work on rf range. I'm able to draw 2d structure in work plane but still not able to fix one side of the cantilver beam. i hve following questions,...
View ArticleSynchronous machine (torque)
Hi, I am new to COMSOL. I am tryng to build three phase synchrnous machine model. I have applied three phase voltage to the machine but unable to generate torque in a machine, I do not waht is wrong...
View ArticleLumped port in Joule heating
Hi, I want to study the distribution of heat and magnetic flux density of a structure. So how can I couple the AC/DC and the heat transfer modules? Specifically, I want to use the lumped port in AC/DC...
View ArticleComsol does not finish the calculation even though convergence criteria is...
Hi, I have a rather strange problem with COMOL and hope that anyone can help me. I am trying to solve a "free and porous media flow" on a 3d geometry. The calculation is not converging very well but it...
View ArticlePost removed for no apparent reason
Dear administrators or moderators, i posted a Discussion the other day about getting wrong results in the AC/DC module and it was removed. Now, i just read again the "Rules and guidelines" and could...
View ArticleHow do I load arbitrary current to the coil in comsol?
In comsol, I want to give the coil arbitrary current defined by interpolation, but it always wrong. My specific approach is: (a) the global definition, using interpolation method defined excitation...
View ArticleNatural convection in heat transfer
I am solving natural convection problem for 5hrs in which first problem start with conduction and finish with natural convection effects for solid liquid interface location. During first 1 and 2hrs the...
View ArticleModelling coils near resonance frequency
Hi, I'm modelling an eddy current testing probe using the AC/DC module. It essentially consists of a transmitter coil with an applied input current and also a receiver coil which will have an induced...
View ArticleElectric Currents and Transport of a Dilute Species to Generate IV Sweep Plots
Hello community, I've created a working and functional model that shows the migration of two oppositely charged species over time in response to an applied electric potential through the bulk material....
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