3D Wall Shear Stress
I realise this may have been asked before, but I'm running a CFD simulation of blood flow through a 3D cerebral aneurysm model. Initially, I have a laminar flow study in which I would like to visualise...
View ArticleCoupling an electric circuit to the Tertiary Current Distribution physics
G'day all, I'm trying to study the discharge characteristics of an electrochemical cell that incorporates the 'Tertiary Current Distribution, Nernst-Planck' (tcdee) physics. I was wondering how I can...
View ArticleSelecting domain inside an object
Hi I have created an object (cylindrical shaped) in Solidworks, and I want to select inside it as air domain (in COMSOL). How should I do this?
View ArticleElectromechanical Response of Comb Drive and Folded Spring
Hi, I am trying to simulate the electromechanical response of a comb drive capacitor and flexure folded spring. However, I have been struggling with creating the proper meshing and receiving the...
View ArticleFillet Weld Deformation Model
I am trying to model the deformation of a fillet weld after heating and cooling, however I am having issues making such a model work. At this point I am using Thermal Stress with a simple 2D model, two...
View ArticleLinear elastic material
Hi, I implied two linear solid mechanic (linear elastic material) in two rectangular(( Rectangular1)and rectangular2 ) ), there is a common inner boundary( number 2) between these two rectangular, i...
View Articleperistaltic pump model convergence
Hello, I am working on a model that is similar to the peristaltic pump model available in the “model gallery”. I would like to use this example to present my problem. The peristaltic pump model does...
View ArticleStep function
Very simple question, but I can't find out how to do it. I have a external temperature, "Temperature 1", which is 100 C. After 330 seconds I would like it to drop 80 degrees to 20 degrees. I should be...
View ArticleMEMS
How can i compute the displacement due to gravity in a silicon proof mass in accelerometer and therefore i need to compute the change in capacitance in the accelerometer. My basic question is how do i...
View ArticlePartial integration in full integration
Hello all, I am trying to calculate the induced voltage in a coil in the time domain, the formula is: V=int(part(A)/part(t)dl) i hope you get the idea, that is a line integral for one filament of a...
View ArticleQuick question regarding integration order in Generator 2D model
Hello all, I have a quick question regarding the integration order of the z component of the electric field in the example model "Generator 2D". In the example model the order of integration, and thus...
View ArticleMaking the Generator 2D model into a Motor 2D model
Hello all, How would one change the example model, "Generator 2D" into a motor? Is there a way to make the rps parameter of the "Prescribed Rotational Velocity" property be based on the magnetic field...
View ArticlePDE
I am currently working on COMSOL 4.0a. Can anybody tell me how the variables for stress are defined in COMSOL? Since I want to define a Coefficient PDE, which its diffusion coefficient (c) is coupled...
View ArticleTime dependent study on a 3D multiturn coil inside of an electrical circuit
Hello, I am trying to model the voltage in function of time across a 3D multiturn coil inside of an electrical circuit. To do this I use the Magnetic Fields and the Electrical Circuit physics and a...
View ArticleDefine an arbitrary EM wave
Hello I am new in Comsol and i have a problem : i want to calculate SAR for SAM phantom for different types of EM waves. but the source of EM waves ( signal generator ) isn't important. is there any...
View Article3D RF Module Calculation on Multiple Cores
I am planning to build a computer for running Comsol, and was hoping to find out how well Comsol can utilize multiple cores for RF Module calculations. The most demanding calculation that we would like...
View ArticleCapacitive Shielding
Hi everyone, I'm trying to model a capacitive shield made of aluminium. The shield function is to interrupt the capacitive coupling between un helical coil and a charge inside the coil. Our objective...
View ArticleAcoustic-Structure Interaction
Hi, I'm trying to solve a time-dependent Acoustic-Structure problem that consist in a acoustic pressure applied in the inlet of a tube as a boundary condition, in the outlet of this tube I applied a...
View ArticleRe : Calculation of thickness
Hi, How is thickness of a deposition calculated using COMSOL Electrodeposition module? I am looking at the equations part or how is the thickness calculated and the parameters involved it. Thanks,
View ArticleParticle Field Interaction
Hi, I have been trying to use the particle tracing module in COMSOL and I have been able to trace particles with electric and magnetic fields. As I am putting in milli amps of current and I want to...
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