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Heating a axisymmetric bed with a power source

The system I am dealing with is heating a packed of bed of adsorbent material 17.7% by volume and having 7% by volume of metal fibers packed inside it. The axisymmetric bed of 0.1016 m radius and...

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hydraulic head contours in COMSOL

Deal All, I would like to know if it is possible to import ground water hydraulic head contours into a comsol subsurface model and if yes how would that be implemented within the Darcy's Law...

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PDE

hello,everyone: i am doing arcing modeling ,four physics,i want to use PDE equation for heating node,but idont know how to define PDE,hope to your help ,thanks!

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porous to solid phase change

Is that possbile to model a phase change from porous powder to solid when melting and then still in solid state when cooling?

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Stress linearisation along any arbitrary path

Hello, I wonder if there is a means to do stress linearisation during post processing along any arbitrary path intersecting the structure? The existing stress linearisation node allows selection of...

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2D Darcy's Law Model

I am currently doing a research and for this research I want to model the intrusion of air into concrete. Mainly researching the intrusion depth as results of the applied pressure difference. For this...

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how to add both intial stress and voltage to one model

Dear friendsI want to do a electromechanical simulation including two parts. The model is just two connected aluminum plate with large magnitude (200 um) in x y axis and very small (0.2 um) in z....

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Modeling Cathodic Part of a Cell

I am a new user of Comsol Multiphysics software. I've started my MS in Mechanical Engineering at Northern Illinois University from this fall semester. I want to know where to start to model a cathode...

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Need help in selecting physics modules for simulation

Hi,I was wondering if someone can give some insight on building the simulation for my model. I'm trying to simulate a pneumatically controlled finger and see how it moves based on the external pressure...

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How to convert 3D sweep geometry in 2D

Hello everyone, Could you please tell me how can I convert 3D sweep geomtery into 2D or 2D axissymetric? I want to make tortuous uniform diameter pipe in 2D. I want to change my tortuosity each time...

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Trouble understanding Heat Flux integrals

Hello!I am working on a model that involves heat flux, with conduction, convection and radiation. In the model I have to compare the losses over the outher boundaries. After running the model, which is...

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Using arbitrary samples for Point Source in Acoustic Module

Hello all,I would like to use arbitrary samples for the Point Source in Acoustic Module. To do this, I used used-define type for the Point Source and tried to load the samples from the table (f)....

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Add different color for same domain for better simulation

Hello there, I am facing a problem, where I cannot find an option to change the fluid domain color to 2 different values. I am simulating the flow over a cylinder with splitter plate. Now when vortex...

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Battery charging using Tertiary Current Distribution interface

Hello guys:I was trying to simulate the charge curve for a solid electrode using the tertiary current distribution interface. I found an article and check the file but still don't know how to change it...

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Particles dissapearing after bounce

The below post is related to an archived discussionHi all,I tried to model inelastic wall bounces in te particles tracing module, by implementing the formulas in the archived post above. However when I...

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error n periodic boundary condition

I am trying to simulate a simle geometry but having error " Incomplete selection for periodic condition" kindly help

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Simulation of a tandem solar cell (I-V curve)

Hello everyone,I'm trying to simulate a multi-junction solar cell in 1D. First, I have simulated the three subcells individually and obtained their I-V curves. Everything was ok, both short-circuit...

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computation error in simulation of electrostatic cantilever (application...

Hello,I am trying to simulate electrostatically actuated cantilever example from applecation library of MEMES module. But after compution receiving following error.Feature: Stationary Solver 1...

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Can comsol optimization work with ansys workbench?

Hi everyone,I want to use comsol to do some topology optimization, but the input data should be imported from ansys? Can I and how?Or can I add comsol to ansys workbench? Thank you so much.regards

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Simulating wire through flat spiral coil

Hello, I am a new comsol user and i have a problem regarding the simulation of wire with current through flat spiral coil. I begin with my geometry which is 3D. the physics that i use are currents and...

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