How to change the range of values in the legend bar?
Hello world,I am looking for a method to change the range of values on the legend bar.I did simulations of a mebrane deflection under different loads and computed for the von mises stress (also see the...
View ArticleHow to limit the range of dependent variable？
I want to solve the PDE in comsol in the special range for dependent variable. For example, the dependent variable,i.e., the concentration c is limited to c<=0.2 in the PDE, how to do?
View ArticleCOMSOL simulation of plane wave
Hello! In the comsol pressure acoustic module, I can simulate the diffusion of sound waves, then I want to simulate the absorption of sound waves in pure media. What module should I use?Thank you!
View ArticleHow to increase a load in a physical time
Hi everyone, I started to realize a preliminary breast computational model with COMSOL: first have to study the gravitational effect on it, by increasing the gravity progressively from zero at initial...
View ArticleReaction Force
Hi there,I am setting a prescribed displacement on a rigid body. How can I get the reaction force of prescribed displacement on this rigid body?Thanks in advance, Ke Wu
View ArticleHow to vary the evaluation number during continuation approach for solving...
Dear Mr./Mrs.,The latest released example "Bracket — Topology Optimization" demonstrate how to implement the continuation approach in topology optimization problem, please refer to the following...
View ArticleTransfer data from one module to another
How I can transfer data from AC/DC module to wave-optics module?
View ArticleLumped 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 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 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...
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