Regarding Hand Tool in work plane
Hello, I am trying to design a complex and very minute pattern in micro-meter scale on a work plane but I am not able to figure out how to move the plane while working, I need to zoom in and out again...
View ArticleStep function
Very simple question, but I can't find out how to do it. I have a external temperature, "Temperature 1", which is 100 C. After 330 seconds I would like it to drop 80 degrees to 20 degrees. I should be...
View ArticleElectromagnet modeling in 3D BH curve&relative permeability
Hi all, at start let me say I am new in Comsol. I am using v 4.0a AC/DC Magnetic Fields. What I am trying to model is type of a magnetic brake. It`s geometry is very similar to plain electromagnet,...
View Articleabout helix geometry modeling
Hi, I am trying to model a spiraling geometry (helix-like) with a complicated cross section. Does anyone know how to do it with comsol 4.2/4.3a? I used the build-in "helix" one but that was with a...
View Article3-D Modelling , Filling an open gap
Good Afternoon, I'm building a damper that has a hollow casing and a rubber-ish inside. This rubber is applied inside the case trough a direct injection. I'd like to know if I can model the casing (...
View Article"Reinitializing GUI" for a long time
Hi, when I solve a PDE, it takes a lot of time. I closed the programme with task manager of windows. When I reopen the file, the programme is "reinitializing GUI" . I wait for almost an hour and...
View ArticleBackward facing step
For a project we need to make a simulation with a backward facing step at different Reynoldsnumbers. The fluid flow is laminar and de distance after the step is only 40 cm. What kind of adjustments I...
View ArticleBackward facing step
For a project we need to make a simulation with a backward facing step at different Reynoldsnumbers. The fluid flow is laminar and de distance after the step is only 40 cm. What kind of adjustments I...
View ArticleBackward facing step
For a project we need to make a simulation with a backward facing step at different Reynoldsnumbers. The fluid flow is laminar and de distance after the step is only 40 cm. What kind of adjustments I...
View ArticleBackward facing step
For a project we need to make a simulation with a backward facing step at different Reynoldsnumbers. The fluid flow is laminar and de distance after the step is only 40 cm. What kind of adjustments I...
View ArticleBackward facing step
For a project we need to make a simulation with a backward facing step at different Reynoldsnumbers. The fluid flow is laminar and de distance after the step is only 40 cm. What kind of adjustments I...
View ArticleBackward facing step
For a project we need to make a simulation with a backward facing step at different Reynoldsnumbers. The fluid flow is laminar and de distance after the step is only 40 cm. What kind of adjustments I...
View ArticleWhat is the motivation of new Nonlinear Structural Materials Modele in Comsol...
In my opinion Comsol Multyphysics was a tool for all. However, I am disappointed by the new Nonlinear Structural Materials Module. Since in earlier versions, comsol had already nonlinear material...
View ArticleGrain Modeling
In ComSol 4.2 how can we give different crystal to different grains Please suggest any method , as I am able to change crystal orientation of whole model but not of each boundary unit separately....
View Articlethe electric potential dependent on temperature
hello, please help me i am trying to make a model of an electrode in a cylinder of biological tissue, i want to make the electric potential on the electrode dependent on the temperature of the tissue,...
View Articlethermally resistive layer
Hi everyone, I am modeling a pipe with fluid circulating within by coupling heat transfer and fluid flow and the pipe diameter is defined in the geometry section. i need to define the pipe wall...
View ArticleSimulation of leakage flux from transformer
Hello. I've tried to simulate a quantity of leakage flux from transformer by using COMSOL 4.3a. To do this, I made a simple transformer model with LiveLink for AutoCAD.(I want to attach mph file, but...
View ArticleSessile droplet
I want to put a sessile droplet inside a channel. How to create a droplet of a specific material ? and how do I choose the model ? As a reference I was wondering about the model in one the Paper - A...
View Articlemesh
Hi , I am trying to see the accuracy of the numerical solution with different meshes and I am using analytical solution for comparison. As long as the mesh is refined the numerical model is more...
View Articlehow to define Heat source?
Hi, I use COMSOL to simulate a microheater to heat the polymer waveguide on Silicon substrate. The model is 2D. Silicon substrate serve as the heat sink at 25 degrees. When I set the microheater to 300...
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