How can we merge the different graphs (Two graph) in COM SOL?
How can we merge the different graphs (Two graph) in COM SOL?
View ArticleText file of "Variable( x , y , Parameter )" instead of "Variable( x , y , z...
Hello, I want to plot the results of the despersion of the relative Permeability, with respect to two space coordinates x and y (2D Model) and my parametric sweep variable, named "stage". Actually, I...
View Articleconfusion between comsol 3.5a and 4.3a
hello everyone, It might be a noob question, but could anyone please tell me how this should work in comsol 4.3a. So in comsol 3.5a in order to save the normalized electric field i just did this:...
View ArticleModeling electrical conductivity of CFRP..
Hello everyone, I am trying to set up electric current model for carbon fiber reinforced polymer in COMSOL to investigate electrical conductivity variation with respect to loading fraction of fibers....
View ArticleEnquiry
Dear all, Please I have these three questions to be answered. 1. Why did the comsol 4.0 did not come with k-omega model which I prefer to k-epsilon model but available in comsol 3.4? Because I believe...
View ArticleGeometry present or not depending on a parameter
Hi! I am trying to create a geometry that will have certain elements appear or disappear depending on a variable. For example: I have a variable "var1" that can take the values of 1 or 2. I have a...
View ArticleEstablishing upper and lower limits for a PDE dependent variable
Hi! I'm solving a PDE system in the physics Coefficient Form PDE and I need to stablish and upper and lower limits for the output values of my dependent variables. Thank you!
View ArticleUsing a step function for a stationary study
I am attempting to model a cyclone using the k-epsilon solver and occasionally get some convergence issues. Would it make sense to use a step function to ramp up the inlet velocity? Can I use a step...
View ArticleRotate Plane View
Is there a way to select to xz plane view and rotate the view so the z axis is point up? I want to take screen shots to put into a report, but I need my model to be seen as standing up. There should be...
View ArticleIs it real to simulate Full Lightning Impulse 1,2/50 us in Comsol 4.0?
Hi I simulate electric fields in high-voltage switchgear. In my models I use AC/DC Module Electrostatics (es). If the electrode is under high potential, the boundary condition for that electrode will...
View ArticleThermofluidic Modelling of hydrogen absorption in metal hydride bed
For learning purposes, I was trying to do the this project Thermofluidynamic Modelling of hydrogen absorption and desorption in a LaNi4.8Al0.2 Hydride Bed at...
View ArticleCOMSOL solver control
Hi, I am looking at a problem that solves physics at two different time scales. Basically, I want to do the following At a coarser time scale I want to solve a few partial differential equations...
View Articlehow to measure max and min electric field of certain surface area ?
I simulated the insulation with a void , ( rectangular and circle) in 2D. any way I want measure the max and min of electric field on the surface of the circle (certain surface) then how can I do THIS?...
View ArticleMoving Mesh problem/ Electromagnetism / Induction heating of rod
Dear Ivar, I am working over a problem, induction heating of a rod moving inside the furnace with a certain velocity, required to relieve stress from the surface. The furnace is stationary, means the...
View ArticleError while processing
Sir, While computing the results for my model, I got an error which says" Failed to find consistent initial values. Segregated group 2 Out of memory during assembly. Last time step is not converged. -...
View ArticleViolating basic transformer equation
Hello all , I am doing simulation of two coil system with some gap between the coil , the problem is I defined the No.of turns in Multi turn coil domain and excited with voltage of 220 V , When i am...
View ArticleMetal Hydride Storage Simulation
Hello I am trying to explore the possibility of using COMSOL to simulate the Hydrogen storage in solid metal hydride. I have seen several papers using COMSOL for this purpose. I still do not have the...
View ArticleSolid mechanics and element settings
Hi! I am analysing stresses and displacements of simple 2D steel plate with Comsol 4.2. I need to get results calculated by triangle linear plane stress elements for comparison. How can I change...
View ArticleHow to calculate the displacement of crack
I need to find the displacement (u) of a crack on a 2D centre crack plate under a load. I need to find how large the crack has gotten under the load How can I do this?
View Articlemef in time dependent
Hello to everyone. I have one question regarding the possibility to carry out a Time Dependent Study in mef. There is one good example of Integrated Square-Shaped Spiral Inductor...
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