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Moving Mesh problem/ Electromagnetism / Induction heating of rod

Dear Ivar, I am working over a problem, induction heating of a rod moving inside the furnace with a certain velocity, required to relieve stress from the surface. The furnace is stationary, means the...

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Parameterise the position in a text file?

Hello, I want to use the 2D distribution of the relative permeability of a nonlinear calculation in a linear calculation of the same Model with same parameters etc. For that I export the data of the...

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Eigenfrequency seems right, but displacement units are totally wrong.

Dear Comsol Community, in the model attached I have a 20 micron long beam using the Solid Mechanics module to get the Eigenfrequencies. I calculated them manually using Euler-Beam theory and the first...

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How to assign a defined function to an electrode????

Hello Friends, Am working on AC/DC Module and new to comsol. Am trying to define a rectangular pulse of 1200v with a duration of 1ns to an electrode and i wish your kind assistance for the same. Thanks...

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Rotate Plane View

Is there a way to select to xz plane view and rotate the view so the z axis is point up? I want to take screen shots to put into a report, but I need my model to be seen as standing up. There should be...

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Violating basic transformer equation

Hello all , I am doing simulation of two coil system with some gap between the coil , the problem is I defined the No.of turns in Multi turn coil domain and excited with voltage of 220 V , When i am...

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Solid mechanics and element settings

Hi! I am analysing stresses and displacements of simple 2D steel plate with Comsol 4.2. I need to get results calculated by triangle linear plane stress elements for comparison. How can I change...

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COMSOL Error Message

Hi I've been problems with COMSOL in Plasma Module The following feature has encountered a problem:"The source selection for the operator intpot1 must be nonempty. Error in multiphysics compilation. -...

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Why COMSOL still requires the Young's modulus and Poisson ratio when defining...

Hi all, I want to play with Comsol for 3D simulations of linear elastic material. The materials are anisotropic so that I define elasticity matrices for them. But Comsol still requires me to give...

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Particle Data Extraction

Hi there, I made a simulation of an electro-kinetic flow within a 2-phase medium, and after computing the currents I wanted to see how particles would behave within the geometry and the resulting...

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Moving Mesh problem/ Electromagnetism / Induction heating of rod

Dear Ivar, I am working over a problem, induction heating of a rod moving inside the furnace with a certain velocity, required to relieve stress from the surface. The furnace is stationary, means the...

View Article

Image may be NSFW.
Clik here to view.

Parameterise the position in a text file?

Hello, I want to use the 2D distribution of the relative permeability of a nonlinear calculation in a linear calculation of the same Model with same parameters etc. For that I export the data of the...

View Article

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Clik here to view.

Continuing Modeling Issues with 2D & 3D piezoelectric SAW model

Hello all, I’m in desperate need of help with my model. The initial model setup is a 2D cross-sectional SAW device where I have silicon, a metallic electrode as my ground, a buffer layer, a...

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Problem with 3D PDE thin layer mesh

Hi everyone I encountered a problem with meshing a thin layer(~10e-6m) with 3D PDE model. I am not sure how to mesh such thin layer. Has anyone managed to mesh a similar case? Looking forward to your...

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Particles traveling through boundaries

Hello All, I am attempting to use the particle tracing function on a laminar flow in a small channel with obstructions in the channel. I modeled the design after the lunchtime seminar on the particle...

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Eigenfrequency seems right, but displacement units are totally wrong.

Dear Comsol Community, in the model attached I have a 20 micron long beam using the Solid Mechanics module to get the Eigenfrequencies. I calculated them manually using Euler-Beam theory and the first...

View Article

Image may be NSFW.
Clik here to view.

How to assign a defined function to an electrode????

Hello Friends, Am working on AC/DC Module and new to comsol. Am trying to define a rectangular pulse of 1200v with a duration of 1ns to an electrode and i wish your kind assistance for the same. Thanks...

View Article


Image may be NSFW.
Clik here to view.

confusion between comsol 3.5a and 4.3a

hello everyone, It might be a noob question, but could anyone please tell me how this should work in comsol 4.3a. So in comsol 3.5a in order to save the normalized electric field i just did this:...

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Rotate Plane View

Is there a way to select to xz plane view and rotate the view so the z axis is point up? I want to take screen shots to put into a report, but I need my model to be seen as standing up. There should be...

View Article

Image may be NSFW.
Clik here to view.

Violating basic transformer equation

Hello all , I am doing simulation of two coil system with some gap between the coil , the problem is I defined the No.of turns in Multi turn coil domain and excited with voltage of 220 V , When i am...

View Article
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