"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 ArticleFSI (Fluid-Structure Interaction) and Transport of Diluted Species Multiphysics
Hello, I am working on a project that has been troubling me for quite some time. I am trying to combine FSI (Fluid-Structure Interaction) with Transport of Diluted Species for an actuator-based drug...
View ArticleVelocity gradient expression in 2D-axisymmetric
Hello, the velocity gradient tensor for a 2D-axisymmetric problem presents, for the phiphi component, the following expression chns.graduDGphiphi = if(abs(r)<0.0010*h,d(u,r),u/r) does anyone know...
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 Article2D magnetic field streamline plot from cut plane
Hi, I have a question on the streamline plot. I have build the 3D emf model on 6 parallel bar with the same current density. bar cross section was in YZ plane The 3D streamline could be clearly seen....
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...
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 Articlegeometry problems
Hi all, My question is, if you build up a block first, then you build up a sphere inside the block. Is it means that the volume which was belonged to the block is taken by the sphere? If so, is it...
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