"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 Articleold model cannot be reconstructed....
I am attempting to build on a model using Darcy's law to model solute transport under saturated conditions. The original model was built in COMSOL 3.5a, and I get an error message "Old model cannot be...
View ArticleRegarding 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 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 Articleconvert imported *.stl into solid
I am importing a rather complex geometry into COMSOL from Solid Works. After some tinkering with the import controls, I managed to import the object but I do not think COMSOL recognizes it as a solid....
View ArticleFace Cannot Be parameterized
Hi all; I try to import a STL file to Comsol 4.3a but this error appeared "Face Cannot be parameterized"? Any help? Thanks in advance :)
View Articleelectrostatic force cause displacement in parallel plate capacitor in COMSOL
Hi, I have been designed a parallel-plate capacitor in COMSOL. Where one plate is connect to voltage of 10V and other one is connected to GND. and a air box is around the parallel plate capacitor. As I...
View Articleerror in statonary analysis of a biased resonator
Dear comsol community, I'm working on comsol4.2a , I would be glad if i can get a solution for my following two queries: 1) I have gone through the modelling instructions given in the 'Stationary...
View Article2D geometry but illuminated from below
Hi, I want to create a 2D geometry but illuminate it from below, or out of plane, with a plane wave. Whenever I try and set the Background Field as exp(-i*emw.k0*z) (in x direction) I get errors as it...
View ArticleMeshing problem with very thin Layer, sourrounded by air.
I'm modelling a spiral inductor on a PCB. The height of the copper layer is only 70 µm. Between the turns is an air gap of 200 µm. The inductor is sourrunded by an air domain and an infinite element...
View ArticleConnecting concentric windings in inductor using periodic condition - Problem
I'm working on an inductor model which has more than one concentric layer of winding. For this problem I have the most simple case with two concentric layers of windings. I'm using the induction...
View ArticleHow to improve the velocity profile to be close to the theoretical values.
I'm trying to generate velocity profile in cylindrical tube (3D, laminar flow module) containing water. I expected it to be parabola shape of velocity profile along the axial direction with zero...
View ArticleGravity volume force in non-isothermal laminar flow
Hello I'm trying to simulate non-isothermal laminar flow through a tube, and I use 2D-axisymmetrical to decrease the computing time. The model works fine with laminar flow and heat transfer, but when I...
View ArticleMesh continuity at boundaries
Hello, I'm starting with Comsol, and I have this question, that may sound really basic to many of you. I have defined a contact pair between two parts of my geometry - an assembly. Now I would like to...
View Articleminimum time value under condition
Hi I have a problem on my simulation I have a time dependent simulation and I want to get the minimum time value when a phenomena occur ( The voltage V raise a value above a certain threshlod) I want...
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