Lumped Port to Excite Induction Coil
Hello All,I have read a number of posts on how to properly use the lumped port feature but I am still having issues...I have a closed spiral induction coil that I am trying to excite with 100 A of...
View ArticleHow can I import position-dependent variables into Comsol matlab code using...
I am using Comsol with Matlab livelink. Please, find my attached Matlab code and mph file. Directly in Comsol matlab code, I computed phi0 which gives the initial values of variable phi on each of the...
View ArticleMoving mesh
Hi,I am trying to follow the 'induced voltage moving magnet" example, and I made my own simple 3D geometry. The stationary solution works fine but the time dependent one causes errors:Failed to find...
View ArticleFind resonance peak with parameter sweep in vibration mount
I'm simulating vibration isolation mount, and I can get the transmissibility function by getting the value of acceleration of mass and base, and by dividing them. Then I can successfully get the graph...
View ArticleFrom Rhino to COMSOL
Hi everyone,I need your support. I created a 3D model in Rhinoceros, that I saved in .3dm format. How can I import this in Comsol? Is it possible?Thanking you in advance, Maria
View ArticleDynamic response of a plate under impact loading
Dear All,I want to simulate impact of a ball on a plate. I was wondering if anybody knows which module is the right tool to do so. Thanks.
View ArticleSweeping a material parameter
I am looking at how a pressure wave interacts with a porous material, and I just want to sweep the porosity of the material. I am unsure how to do this, any help would be greatly appreciated.
View ArticleBesoin d'aide
J'ai obtenu le message d'erreur suivant: "Variable non définie. - Variable: normH - Géométrie: geom 1 - Domaine: 5 Impossible d'évaluer la jacobienne de l'expression. - Expression: dvol(imp1.rmm.d..."...
View ArticleWhy solution is different when using 1 or 3 Pressure Acoustics interfaces?
Hello everyone!I'm working on a transient model consisting of one piezoelectric emitter transducer, one receiver and a cylindrical short sample. My first approach was to use one single Pressure...
View ArticleInfinite Domain (Half-Space) and Anisotropic Conductive Sheet...
Hi,I am trying to study a scenario of infinite domain half-space that is separated by infinite anisotropic conductive sheet. The excitation is coming from a dipole. My problem is in defining the...
View ArticleSeawater freezing
Hello, I'm trying to model seawater freezing as new comsol user and i have few Q's How can salt added to water with specific concentration for a specific domain ? during freezing the seawater salt...
View ArticleSkin effect simulation in tinned/covered coil
Dear Comsol Comunnity,I have been using Comsol at my University a few times so my experience in this software is only scientific and quite general. Now I have a problem which is quite complex. Here is...
View Articlecontour problem
my probleme is with the contour ploting problem* there is no triangulate from the data set in tecplot 2018 as in the older version to make our problem so much difficult
View ArticleHow can I solve Windows 10 Preparing Automatic Repair Error?
I have recently updated my OS from Windows 8 to Windows 10. As a new user I haven't familiar with all the features. I am facing Windows 10 Preparing Automatic Repair Error on the updated version.
View ArticleModelling of thin layer
Hi;I am studying on thermo-mechanical simulation in Comsol 5.4 (licensed version). But I have some difficulty related to thin layer meshing and assigning solid boundary conditions especially. To make a...
View ArticleFixed constraints properties
Dear all, I am doing a modal analysis of an unstable rock block to study its eigenfrequencies. One face of the limestome block was attached to the vertical cliff and therefore I set on it the FIXED...
View ArticleViscoplastic Creep Test
Hello,I am new to COMSOL and I am trying to simulate a VISCOPLASTIC creep/relaxation test on a simple 2D rectangular block. I would like to either have a constant boundary load or prescribed...
View ArticleModeling cloth
Hi there,I have a problem modelling a piece of cloth in COMSOL. The key feature of cloth is that it has no bending stiffness or out-of-plane shear stiffness. Could you tell me how to set the right...
View Articleimpedance of selected domain
Hello All, I have a question how to calculate an impedance of selected domain. If I have a component 1 including domain 1, 2, and 3 using an electric currents model, impedanc (ec.Z11) of total...
View ArticleWhat is the model for solving surface tension in COMSOL?
What is the model for solving surface tension in COMSOL?
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