Display A B D Matrices
Hi, I am Ozge, I would like to display the matrix A B D of the composite sandwich panels in Comsol. Is there an interface used for this? Can you help me with how to display A B D matrices in a...
View ArticlePlease help with spiral coil , wireless power transfer excitation
i have build the coil, but dont know how to excite it. when i try to excite by selecting boundaries , im not able to do it.
View Articlelaser beam propagation at an an angle along material direction
Dear all, Is it possible to get laser beam propagation at an an angle along material direction (z direction) using deposited beam power node under heat transfer in solids module. Because, whenever i...
View ArticleBlood Flow within Porous Medium
Hi everyone,I'm trying to simulate the blood flow within a porous scaffold inserted in breast tissue after partial mastectomy. In order to do this I used the "Poroelasticity" node, but I saw that in...
View ArticlePrescribed Displacement/Rotation
The below post is related to an archived discussionHi Prescribed Displacement/Rotation，when and why use it
View ArticleCan I detect the change in pH value inside a crevice?
Hello Everyone,I am trying to simulate crevice corrosion by modeling a crevice with nickel on one side of the crevice and plexiglass (insulator) on the other side. The simulation runs out well and the...
View ArticleMoving Droplet on a electrode(EWOD)
Hi, I am currently working on a project called Electrowetting based digital microfluidic device, for that I want to do a simulation in comsol like how droplet spread and moves on a hydrophobic layer...
View ArticleStatistical Weight
Hello everyone, I use Comsol 5.4 to simulate surface discharges at the air-dielectric interface. I use effective sections of nitrogen, oxygen and water that I got on LXcat. I need the statistical...
View ArticleOdd Licensing Error: "No such feature exists." (FlexNet Licensing error: -5,412)
While running a static analysis script for beams, I get the following error:License error: -5. No such product exists. - Detail: No such feature exists. - Feature: CADREADERCKL - License path:...
View ArticleTracking particle move distance with laminar flow
Hi, I am studying particle tracing module with laminar flow following "How to simulate particle tracing in a laminar static mixer" on Youtube. so, I made simple cylinder structure with 0.0002m/s inlet...
View ArticleTweak in Frequency -transient solver in RF module
Hello COMSOL fans, In MW heating module I would like to manullay set when should Frequency solver restart after certain time steps of time depndent heat transfer solver. Did anybody have sucess in...
View Articlewhat is the difference between d(xx,TIME) and d(xx,t)?
Both of them could be used in comsol, but what is the difference between them? could anyone tell me when to use d(xx,TIME) and when to use d(xx,t)?
View ArticleWill The Unnecessary Line Segments affect Result?
I'm calculating interaction among electromagnetic field, metal and other fields. I find that the results is very strange when there are unnecessary lines in structure with the same limited mesh size....
View ArticleHow i an plot Resident time distribution curve please help me.
Hiii i am doing cfd for one modified reactor and that i have to confirm by using RTD curve anyone can tell me how i can obtained the curve thank you in advance. regards Vishal Dhakane
View Articlewhat is the default static contact angle if 'no-slip' BC for wall is chosen...
I have set the wall condition to 'wetting wall' because I am not getting droplets in a t-junction oil/water flow & for droplet formation its important for continuous phase liquid to wet wall...
View ArticleAutogenerating geometry in Livelink with Geometry
I am trying to autogenerate geometry in Livelink with MATLAB using for loops. Specifically, I am trying to make a series of concentric spheres. However, I am having trouble due to the fact that each...
View ArticleMultiple -Objective Optimization
Hi,I want to know what is the difference between "Sum of objectives", "Minimum of Objectives" and "Maximum of objectives" in a Multi-objective optimization study.I am trying to minimize a variable 'A'...
View ArticleDroplet generated in T-junction disappeared along the channel
Hi, I have been trying to run simulations to generate droplets in t-junction microchannel. I succeeded in generating a droplet(slug flow type) but along the channel, it started shrinking and...
View ArticleWhy is the velocity magnitude of parabolic profile in a laminar flow exactly...
Hi all,I am new to comsol, I tried creating a 2 dimensional fow study using laminar flow physics, My rectangular geometry is like this width=30cm height=2cm used prameters: Density of air=1.2 kg/m^3,...
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