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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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Exact Particle Position when Released a Radius Away from the Bottom

Hello all,I am working on a model for particle trajectories, utilizing the Particle Tracing for Fluid Flow module.I have a question about exact position of the particle though. I want to release my...

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Is mesh built in the livelink with MATLAB physics or user defined?

Hello, I normally use the GUI for COMSOL but I have recently switched to using the LiveLink with MATLAB applicaiton. I know in the GUI you can select whether it is a physics defined mesh or a user...

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Coupling Problems with Multibody Dynamics and Solid Mechanics.

I put a piezoelectric device in a rotating object, and I want to see the voltage change due to the deformation of the object.I was thinking of coupling the Multibody Dynamics (MBD) and Piezoelectric...

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The Relative residual Error Is Greater Than The Relative Tolerance

I try to modeling the solidification of binary alloys of metal and I get Always this message (Nonlinear solve did not coverge). with: The Relative residual (2.9e+06) Is Greater Than The Relative...

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Time-dependent heat flux [Neumann boundary condition]

Hi guys,I am new in COMSOL, and the same question I am posting, had already circulated several times. Unfortunately, I am not able to solve my problem with the "help" of those posted answers.I would...

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Continue an Interrupted Simulation On Cluster Computing

Hello Everyone,I have a set of relatively large time-depenent simulations. The problem is that my university walltime limit does not allow for more than two days. Therefore, I need to find a way to...

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Fluid structure interaction with contact assembly

Hi,I need to model a 2 layer- laminar flow (level set) with fluid structure interaction. The structure are two plates floating at the 2 fluid interface (Imagine two ice sheets floating on water; the...

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Frequency response of enclosed space at low frequency(mode dominant range)...

Hello.I want to check effect of mode by time domain simulation.I made rectangular enclosed space and make monopole source.I used multi-sine function(sum of single sine at each frequency) to excite...

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Implement stationary study loop inside other transient study

I am trying to implement solution model similar to laser welding process as Mr. M.Courtois et al describes in the paper "A new approach to compute multi-reflections of laser beam in a keyjole for heat...

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question about data set in derived value

Dear everybody,When i'm trying to derived a value, there are multiple options to choose from in the data set. Why is this so? the values derived are different between each data set. I've clear the...

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Change the axis symmetry from vertical line to horizontal line

The below post is related to an archived discussion[start here]What setting do I need to change to get a horizontal axis symmetry?

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problem of importing a nas mesh file

Hello I am trying to import a very simple nas mesh file into comsol. But i got an error message which says: "Mesh is incorrect. -Detail: Vertex index out of range."I could not figure out why. Can...

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Cách nhà cái tính tỷ lệ cá cược người chơi nên biết rõ

Anh em w88 có thật sự hiểu ý nghĩa của tỷ lệ cá cược? Hãy Tìm hiểu làm thế nào để lật ngược tình thế trước nhà cái để biêt được mình nên đặt cửa nào.Ý nghĩa tỷ lệ cá cược trong bóng đá rất nhiều những...

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FSI: Form Union vs Assembly

Hi,I have an FSI problem with multiple elastic plates floating on the surface of a fluid. When FORM UNION is used, the model fails when there occur collision between plates. I have tried FORM ASSEMBLY,...

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