Venturi pump
Hi,for our project we are currently trying to replicate the perfomance of a venturi pump (that we bought) in a simulation:...
View ArticleSolute concentration distribution: Matlab to Comsol
Dear ColleaguesI had some problems implementing the Matlab results into the Comsol simulation. I'm a beginner of Comsol, so I don't really get the feeling how to link the results between Matlab and...
View ArticleXenon collision cross sections
Hi! I am trying to model a xenon plasma device and therefore I wanted to import the xenon collision cross sections. I found useful data for each excitation level. However, I wanted to combine certain...
View ArticleVelocity Impact Simulation
Hello!I am rather new to COMSOL and I need assistance with conducting velocity impact testing simulation within COMSOL, where I am trying to simulate impact testing from a Split Hopkinson Pressure Bar...
View Articleincompressibility condition for a Darcy's Mod
Hi, I am using Comsol version 5.4 and a Darcy's law. The problem is that I do not find how to change the value of the Qm parameter to make my problem incompressible. Is there a way to do it? Thanks, AM
View ArticleStator permanent magnets orientation
Good afternoon,Im doing my thesis in COMSOL, 2D, and i have a doubt about how to orientate PM that are put in the stator. Im working with a double salient machine, based on an article, and the same...
View Articlesolid to liquid time dependent phase transformation
i am trying to solve solid to liquid time dependent phase transformation, it is a part of bigger problem of induction brazing simulation, i have gone through continous casting example but that is...
View ArticleNon-Linear solver convergence error in multi-physics problem
Hiii, I am going to introduced my model physics and setup first and error in solving this is discussed towards the end. I have made a bubble-blood-vessel 3-D model. This contains blood vessel (10 um...
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Single Port Coplanar Waveguide Resonator for measuring reflection
Hi all,I am trying to simulate a coplanar waveguide resonator and obtain the resonant frequency and Q-factor using RF module in COMSOL. I used the lumped port boundary condition and with two ports...
View Articlemaximum operator gives wrong values
HiI used maximum operator to find the maximum of a quantity over a specific surface but I don't get a correct value. Although for other quantities I get correct value.Any suggestion?
View ArticleBoundary Condition in Thermal flow Model
I am trying to find the temperature change across the surface of a cylinder when a point heat source(a point on surface of cylinder) is used as heat source. But it's not working. Do I need to add any...
View Articlecomsol function
Is there any teacher who can tell how to use this function in the current version? [g,ftx,stx]=geomcsg({g1,g2,g3,g4},'out',{'g','ftx','stx'});
View ArticleQuestion for COMSOL 5.3 solid beam connection
Hello. I'm Shin Young Kim from Republic of Korea.I have a question for COMSOL 5.3 solid mechanics - "solid-beam connection".I want to get a theoretical background for this multiphysics module, but...
View ArticleTo calculate the torque and rotational spped of PM-motor
Dear all, I am simulating a pm-motor in rotating machinery magnetic(rmm) physics. I need to reach the torque and rotational speed of the rotor. I have read the pm-motor 3d, three phase motor,...
View Article*Friday, July 12 - Final Abstract Submission Deadline for COMSOL Conference...
Would you like to gain recognition from experts in your field for your innovative work using multiphysics modeling? Don't miss the opportunity to showcase your achievements at the COMSOL Conference...
View ArticlePlots do not get updated in .avi animation export
Hello everyoneI am new to COMSOL and I want to simulate the penetration of a magnetic field into a coil core which is highly permeable and conductive. In order to do so I created the model in the...
View ArticleEM heating of multi layer coil
Dear COMSOL users,I was trying to simulate heating (inductive+Joul) of a multilayer coil connected in parallel with a capacitor (set to an initial voltage using the Electrical circuit module). I used...
View ArticleFlow over sphere in laminar flow
The below post is related to an archived discussionHi All,I am trying to calculate drag force and torque appiled on a sphere in laminar flow in water. The flow velocity is 2 m/s, and diameter of sphere...
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