COMSOL APPCRASH and closed
hi I have a problem for the new server computer using COMSOL 4.3 First of all, the performance of server computer is below. OS: windows 2008 server RAM: 512GB CPU: AMD 6238 (x4) GPU: Geforce GTX 550 Ti...
View ArticleHow to figure out the wave type for scattering boundary condition?
Hello, I'm a newbie in Comsol and I have a question, which you might be able to answere. I want to simulate the absorption and scattering of nanoparticles illuminated with an incident plane wave. My...
View Articlehow to get no gridlines in comsol plots
In any 1-D plotgroup whether a point or line graph is there a way to avoid grid lines and retian the tick labels
View ArticleEvaluation of line integral via Matlab
Hey! I have a question concerning the evaluation of results via Matlab: I added a line-integral to my model in the Comnsol-desktop which I can see in the exported m-file as:...
View ArticlePhD position available
Dear colleagues, We are looking for a higly qualified PhD candidate to start towards the end of this year. The PhD study would take place at the Institute for Technical Physics...
View Articlecurrent
Hi there, IĀ“m modeling the distribution of the electrical potential applied by an electrode (1V) in different media using the electrical currents interface. For my questionaire, I additionally need the...
View ArticleImplicit boundary condition
Hello, I am trying to solve a set of reaction-diffusion equations and the heat equation, using general form PDE. On one boundary some of the boundary fluxes depend on a quantity (electrochemical...
View Articlecoil on the iron build!
Hallo everyone, please help me, i wanna only to build a coil on a iron core und this with Comsol, bu i donĀ“t know how is going.. :/ ThankĀ“s you in forward!
View ArticleProblem with heat transfert in lava
Hello everyone, I posted a topic here because I encounter a problem with Comsol. Indeed, I try to modelize a lava flow, but I have a problem to fix the temperature of middle flow as you can see on this...
View ArticleLaminar Flow and Moving Mesh
Hi all, I want to model a slice of the earth's crust under horizontal compression and look at the deformation that is occurring. In the Model this is represented by a fluid body with high viscosity,...
View ArticleCantilever Strain at Resonance Frequencies
Hello, I am new to Comsol and am trying to simulate strain in various structures at their eigenfrequencies. I have no problem finding the eigenfrequencies, but the amplitude in the eigenfrequency study...
View ArticleInduced Time Varying Displacement of a Thin Material
We are trying to model a flat panel speaker with multiple exciters placed on a thin sheet of plexiglass or similar material. We would like to set up a time varying displacement at the location of an...
View ArticleBelt Conveyor Modeling
I'm curious to know if anyone has done any modeling work with a belt conveyor? I'm specifically looking at optimization work for a wire belt, conveying bur cotton fiber. Any information on belt...
View ArticleInternal/Compressive stress in a material
Hello everyone, I have a question about internal stress generation in Comsol. My model consists of two different materials on top of each other. One of the materials (the most outside material in the...
View ArticleModeling a spring and damper system
I am having trouble modeling a simple 2D spring mass damper system. The geometry comprises the spring at the upper end anchored (fixed) attached to a square mass which in turn is attached to a damper...
View Articlecurrent and temperature dependent conductivity (sigma(T,j) )
Dear all, I am trying to model a conducting wire, where the conductivity depends both on the actual temperature and the actual current density. The temperature dependence is no problem. But I donĀ“t...
View ArticleHow to deal with Contact problems, Adhesion!!
Hello Everyone, I am dealing with the topics of contact mechanics and adhesion. In my case, two surfaces are adhered strongly and I would like to model the detachment of contact or treat it as a crack...
View ArticleProblem in cylinder geometry
Hello, I'm a new user of Comsol and I have the following problem: I'm is using a cylinder geometry with radius:0.013m and lenght: 172m when I build this geometry I dont have a cylinder in the grafics...
View ArticlePlasticity - Cyclic Hardening
Hi all, I am modelling a process where a steel plate is subject to cyclic forces that cause plastic deformation. As the process is cyclic I am inclined to use the kinematic hardening option - I am...
View Articleout of memory during LU factorization ?
I use comsol multiphysics 4.2 to solve a model on my computer(with 2GB RAM), I get the error "out of memory during LU factorization", but when I put the same model into another computer(the same cpu,...
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