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Can the specified displacement and the specified velocity be used...

Can the specified displacement and the specified velocity be used simultaneously in solid mechanics?

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Modeling Wettability in Porous Media

Hello there,I am a new user of Comsol. I am currently working on the mass transfer in the postive electrode of Li-O2 batteries. I want to perform the following steps using Comsol: 1. Creating a porous...

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simulation electric field distribution of high voltage on a rotating machine...

Hi, Currently, I have project in build a machine consists of motor , high voltage supply and metal syringe. The process of machine is metal syringe will be attached to the motor using insulator...

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Errors "JavaNullPointer" when inputting matrix

Hi everyone, I'm using Livelink(TM) for Matlab(R). When I tried to run the solution after inputting matrix to an electrostatic model's stationary solver, the error came out with...

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A system of nonlinear PDEs with Changing Geometry

I am new to Comsol. Before I start reading tutorials, I wanted to make sure that Comsol meets my specific modelling problem.Can Comsol solve a system of nonlinear PDEs which its geometry changes? For...

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Bending a thin block around a cylinder

Hello all, Is there anyway to bend a block around a cylinder in comsol?Thanks, Shaghayegh

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how to obtain dataset from a smaller volume of spherical region

I have designed a coil system (4 maxwell coils placed adjacent to each other orthogonally to produce gradient fields) which is establishing a magnetic field in the air domain. Now i wish to get acccess...

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Modelling fluid flow plus membrane deflection

Hi all,I am new to comsol community and I am facing a simulation of a membrane/wall deflection over a microfluidic channel. At this moment, I have a microfluidic channel which is formed by a domain...

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Impact Testing

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...

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Negative admittance in electric current simulation

Hello,I'm trying to simulate electrical contact through oxided metal, and i use the contact impedance boundary condition as the properties of oxided layer. and i use both direct and iterative solver....

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Solving the stress in extra dimensions inside 1D battery module

Hi all,Hope you all will be fine and progressing in your research activities. I have a simple question.I am using the lithium ion 1D battery model for full cell and doing galvanostatic discharging of...

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stress analysis of a tension bar

Hi,I am really new to COMSOL and I am getting errors that I don't know how to fix. I want to simulate a stress analysis of a tension bar made of titanium.My COMSOL runs in german so it's a little bit...

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noise generated by an air flow

HelloI want to simulate the noise generated by the air flow from a fan passing through a heat sink. I have the geometry, but I do not know what modules I need.

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Change of a lens' focal point with wavelength. Refractive index wavelength...

Hello Everyone,I was using a Comsol example for the focusing lens:https://www.comsol.com/model/focusing-lens-57621I made no changes to the model. The focal length of the lens is set to be 1000...

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modeling the influence of roughness on impedance response of rectangular...

Hi all, I am beginer for studying Comsol. I am modeling the influence of roughness on impedance response of rectangular electrode and using AC/DC module in Comsol now. I really do not know how can I...

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Vacuum evaporation

Hi, Is there any way to simulate how fast a cup of water is evaporating under low pressure (boiling)? I mean mailny the speed of mass change.

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Setting surface to ground

Hello! I am totally new to COMSOL so I am sorry if this is really silly. I have a basic geometry (created in Inventor) with a cylinder which has a bifurcation at a point and right before the...

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Is there a MPC functionality in COMSOL?

My problem is to simulate two beams connected at an included angle. The diagram is shown below.The first beam is hinged on the ground, and the rotation is restrainted by a rotation spring with...

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How to set up a circularly polarized light source

I'm going to set up a circularly polarized light source in the 2-d model. Now I'm using the boundary condition of the port, but I don't know how to set it.So I hope to get your help

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Growing awareness about Optical Fiber Fault Locator Market

Global Fiber Optic Plc Splitter Locator Market has been brewing up and influencing the international economy with respect to revenue, growth rate, sale, market share, and size. The Global Optical Fiber...

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