Installation problems on Ubuntu 11.04: Failed to load libjvm.so
Hi, I have problems installing COMSOL 4.2a under Linux. I mounted the .iso file as indicated, but when i run setup, i get the following error message: Failed to load the JNI shared library...
View ArticleElectrostatic Actuation with COMSOL Multiphysics
Hi, I am looking for this webinar from 2011 Electrostatic Actuation with COMSOL Multiphysics promoted by IEEE / comsol (spectrum.ieee.org/webinar/1927822) Any idea where I can find a copy? Thanks for help
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 ArticleParametric Sweep in order to change the location of a point
Hi, I'm using the Parametric Sweep in order to change the location of a point who separate edge into two lengths; each has a different boundary condition. (One defined by me and the other one is the...
View ArticleLoad materials from library with Java API
Hello COMSOL aficianados, We are working with the Java API for COMSOL here. Let's say you want to load the material copper into your model. It seems, according to the manual, that the only way to get...
View ArticleHow to display "Cut Point 3D" data sets?
Hi there, I want to simulate and visualize discrete measurement points which I import from another application as distinguished "Point" objects in the geometry of my 3D-model. So far I've created a...
View Articlemagnetic field gradient in 3D return zero!
Hi everybody If anybody knows that why the gradient of magnetic field in 3D models is always zero? I checked the different methods. for example I wrote d(Bx,x) or different component of B and H. Even...
View ArticleHow to calculate the impedance
Hi everyone, I'm trying to calculate the impedance after feeding my set-up with a constant voltage. As I have frequency-dependent parameters (relative permittivity and conductance), I expect complex...
View ArticleGas separation with a tube membrane
Dear everyone, I am working on modeling of a tube membrane. 1, the inlet of the tube membrane is pure CO2, and O2 comes from the wall (membrane), so at the outlet you will have a mixture of O2 and CO2,...
View ArticleSegregated Solver
Hello, I was wondering if someone could perhaps explain to me the nature of the segregated solver so that I may understand it a little more clearly. I have seen other threads discussing this in the...
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 ArticlePlotting Problems
I try to plot the following structure: dat=mpheval(out,'solid.E','dataset','dset1') dat = expr: {'solid.E'} d1: [1x8856 double] p: [2x8856 double] t: [3x17334 int32] ve: [8856x1 int32] unit: {'Pa'}...
View ArticleWhile Loops and Converge Criteria for pseudo steady state model
Hello, I am attempting to create a series of simulations whose aim it is to examine the influence of my model's physics on the models geometry. What I have is a vascular geometry , which has a certain...
View ArticleLaplace operator for domain probe---2D axisymmetric tissue-vessel oxygen...
Hi all, I have been learning to use COMSOL for some time, but this is my first time to join this community. I have few questions about using Laplace operator in the domain probe function. I am...
View ArticlePipe Flow-multifluid distillation
Problem consists of 1 inlet pipe with high viscosity fluid. Through distillation process oulet pipes conists of fluids of different viscosities and densities. Has anyone handled this type of problem?...
View Articleresidual stress from laser heating
Hello I am trying to determine residual stress on a metallic ribbon (28 micron) because of laser heating. The heat source is a continuous wave laser having gaussian profile. I have already got spatial...
View ArticleUpdate Interpolation function in each simulation step
Hello Everyone, I am trying to set up a time-dependent simulation in COMSOL v4.3a. It's a structural mechanics model and the material properties are defined by an interpolation function which is read...
View Articleexport as _real_ vector graphic
Hi, I'm not satisfied at all with the image export capabilities of COMSOL. I just want to have real vector graphics. There is a possibilty to export graphics as vector graphics (eps-file), but this is...
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 ArticleAC/DC training courses in Phoenix, AZ and Burlington, MA
An invitation is open for our Discussion Forum readers! You are invited to attend one of our upcoming AC/DC focused training courses that will take place within the next few weeks. The first course...
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