Maximum value at each point
Hi there, I'm fairly new to Comsol so please excuse me if the question is trivial: I have modelled the temperature profile in 3D for a slab that is heated intermittently from either side. What I now...
View ArticleHow to deal with meshing for the thin bodies
Hi All, I am dealing with some very thin bodies, let's say, the thickness is 2mm, and width is 1000mm. I encounter difficulity to mesh these thin bodies. Do anyone have some suggestions? Thanks.
View Articlecontact plate element
Hi I have a problem how to model the contact between two plates en 2D, I need to know the conditions of contact between these plates (friction- sliding) these plates are modeling by their midlin plan,...
View ArticleCan I pause the calculation and check the intermedia result?
Hi All, Can I pause the calculaiton of COMSOL and check the intermedia result? I would like to check if the intermedia result is reasonable or not. I don't want to only depend on the convergence plot....
View ArticleCan I pause the calculation and check the intermediate result?
Hi All, Can I pause the calculaiton of COMSOL and check the intermediate result? I would like to check if the intermediate result is reasonable or not. I don't want to only depend on the convergence...
View Articlemovement of a wire in an electric field
Dear Comsol-Community, I am very new to Comsol. My task is to simulate the movement of a wire particle in the electric field of a gas-insulated-transmission-line. the movement is caused by some forces...
View ArticleMathematical Particle Tracing
I have the following problem: - I solved a mathematical particle tracing problem on a 2D model and I gained access to the particle dynamics; - next, I need the values of the particle velocity...
View Articlecomsol 4.3 vs comsol 3.5a
hi, I am trying to reproduce a tutorial "Band gap analysis of Photonic crystal" in comsol multiphysics. This tutorial has been carried out in COMSOL 3.5a but I am trying to reproduce this result in...
View Articlecoil design
Hello, I work on a cold crucible magnetic modelisation with the mf physic around 10 kHz. I want to design a 2 turns coil according to the real geometry (with little simplifications). I start with a 3D...
View ArticleHelp with magnetic hydrodymanic simulation
Task: Simulation of magnetic nozzle effect. There is a plasma source with known gas pressure, ion-electron density and electron temperature. There is a magnetic system around the source. The task is to...
View Article4.3a demo: Battery capacity fade: Flux continuity problem on electrolyte salt...
In the demo "capacity fade.mph" in 4.3a, the electrolyte salt concentration is continuous in domanin 2 (Negative electrode), domain 3(Separator), domain 4(Positive electrode). But its flux is not...
View ArticleUnexpected behaviour while creating geometry
Dear all, I encountered the following problem while using Boolean Operations on Ellipsoids and Blocks: The attached image shows a cut plane inside the final 3D geometry, which looks like it should. The...
View ArticleHeat exchange during ice cube formation !
Hi, I'm trying to solve a heat exchange problem coupled to a phase change in 2D. The model consists in a small volume of water on contact with a metal plate. I cool down the plate gradually so at some...
View Articlewhy COMSOL is solving so slowly
Hi All, I am running a case with radiation heat transfer. The 3D geometry is quite simple. Number of degrees of freedom solved for: 56826 (plus 39748 internal DOFs), and element number is around 24K. I...
View Articleelectric field,temperature and pressure
Hi all, I've designed string insulator using comsol multiphysics 4 (3D) i've formed a cylinder around the insulator model as a air medium and i've given the conductivity and permittivity values. But i...
View Articlefield distribution
hello sir/madam, i designed a insulator and i want to analysis the field distribution along the surface of insulator but i can't get that please give me your succession and in this im going to place...
View Articlevisualization of results with hiding, volume works surface not
Dear, If I want to do a visualization of the results, I need just a part of the total structure to be plotted. Therefore I make a view and hide the parts which must not be visable. When I enter a...
View ArticlePhysics for FET based biosensor
Hi, I am currently working on FET based biosensor for cholesterol detecion.I want to know how to get the current as output and what kind of physics is most suited for this kind of application using...
View ArticleHow do I implement maxwell-voigt model in PDE mode
Hi, I'm trying to elongate a simple 2D model and I want to implement a maxwell-voigt type viscoelastic response. How do I implement this in PDE mode? or is there a simpler approach? Thank you in advance.
View Articlecolor rage manual
Hello to everyone! Could you please inform me on how i could change the range of a colour bar manually in a .3.5a file? (i know it's a too old version). Thank you in advance for your response! Marilena
View Article
