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...
View ArticleCan 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
View ArticleSimulating 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...
View ArticleExact 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...
View ArticleIs 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...
View ArticleCoupling 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...
View ArticleThe 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...
View ArticleContinue 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...
View ArticleFluid 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...
View ArticleFrequency 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...
View ArticleImplement 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...
View Articlequestion 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...
View ArticleChange 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?
View Articleproblem 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...
View ArticleCách 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...
View ArticleFSI: 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,...
View ArticleDisplay A B D Matrices
Hi, I am Ozge, I would like to display the matrix A B D of the composite sandwich panels in Comsol. Is there an interface used for this? Can you help me with how to display A B D matrices in a...
View ArticlePlease help with spiral coil , wireless power transfer excitation
i have build the coil, but dont know how to excite it. when i try to excite by selecting boundaries , im not able to do it.
View Articlelaser beam propagation at an an angle along material direction
Dear all, Is it possible to get laser beam propagation at an an angle along material direction (z direction) using deposited beam power node under heat transfer in solids module. Because, whenever i...
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