Moving Edge Load
Was trying to simulate an edge load (line load) which moves down through the surface of a vertical plate. Was checking out multiple examples with moving point source and all, confused in moving a line...
View ArticleUndefined variable. - Variable: freq
Hello everyone,I am getting this error while using "electromagnetic freuency domain' and 'bioheat transfer" module in comsol.Undefined variable. - Variable: freq - Geometry: geom1 - Domain: 7 Failed to...
View ArticleFailure by building a mesh of 3D imported geometry
Hello,I have a problem with an imported 3D Femur geometry from STL file (before importing the file I chose a 0.01 Defect removal factor). Converting to solid was already successful, but the problem is...
View ArticleAverage of "Coefficient Form Boundary PDE" value
Hi all,There are two coupled physics in my problem. I've used Coefficient Form Boundary PDE for finding the value of a variable in a boundary (call it P), and I need to use its average to solve the...
View ArticleElectric Field Distribution
i want to calculate electric field distribution near silver nanoparticles (Ag NPs) by using Finite element method.
View ArticleHinge model
Hi all,I need to model a hinge with structural mechanics module. Is it possible to achieve large rotations? Or it will just work for small rotations? I want to see if its necessary to buy Multibody...
View ArticleRegards to electrolyte potential
i want to know about the physical meaning of electrolyte potential in simulation
View Articlemagnetic field Skin depth
Hi.I'm totally novice in COMSOL, and I was asked for simulating a magnetic skin effect of a copper box inside a long solenoid, with AC volatage(current) of the solenoid.Could anyone help me with how do...
View Articlesolidification of an alloys
Hi, I would like to know how can I couple between transport of concentration species(tcs) and heat transfert in fluid(ht) for solidification of an alloys (exemple alluminum copper) I have all parametre...
View ArticleHow to define resistance of my component (internal resistance) and DAQ...
Dear COMSOL support team, I have a question regarding defining resistance in my model. I have a 3D component with internal resistance of R1 and an external DAQ with resistance of R2. I am referring to...
View ArticleSimulation of moving spheroid in laminar flow
I want to simulate spheroid moving in a laminar flow so what module should I use
View ArticleHow to define the coils current in rmm physics
Dear allI need to define the coils with current, the coils are under moving mesh, but how to define the coils when it in specified angle. Can I think this is a pulse current? How to write the FUNC,...
View ArticleHow to perform calculation for one variable at two different sweep values
I constructed a photodetector in the Semiconductor module, and then performed a parametric sweep with two parameters, the incident photon flux and bias voltage. For the incident photon flux, only two...
View ArticleMoving load with temperature
A mechanical load (line load /edge load) is moving down, over a flat vertical plate. This load also has a very high temperature assosciated with it, Lets assume that heat source also moving along with...
View ArticleMulti turn Electromagnetic Coil Assembly
Hello, I'm attempting to analyze an assembly of two electromagnetic multi-turn coils each with an iron core. I followed the instructions in the video "COMSOL webinar - modeling coils and electric...
View ArticleBeam-solid connection in 2D
I am a bit stuck with the attached simple model. I have a rigid circle and a beam rigidly welded to it at one of the quadrant points. I am pulling on the free end of the beam with some known force. I...
View ArticleHow to use external current density in racetrack coil
Hi all,I need to analyze Electromagnetic force of racetrack coil with time dependent. To make this model, I use external current density. It has been confirmed that the external current density can be...
View ArticleElectric Field Distribution
hi all, i want to calculate electric field distribution by finite element method using comsol,can anyone help me?
View ArticleDiffraction Grating
Hello, I am trying to simulate difraction grating and to extract intensity vs the angle after the grating. I managed to create a diffraction grating both with ray optics and wave optics, but I am...
View Articleflow rule and hardening work in ottosen model
I am trying to model a piece of concrete and I need information about how the ottosen concrete model in comsol adopts yield surface, pastic flow and the work hardening; someone has information about...
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