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Parameter sweep and solution steps help
Hello, I am new to Comsol and I am having some trouble using the parameter sweep. I am modeling a floquet boundary condition in eigenfrequency analysis for a solid mechanics model. I need to set few...
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holes creating in membrane
i am making a cantilever mems .I have create a membrane but i have some problems that how can a i create muti hole and slots in the plate .
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Integration of fields from PDF solutions
Hi, I am working with COMSOL 4.4, Multiphysics, solving three different physics models on the same geometry. Two of them are Electrostatics, (a potential field "V" and another "weighting" potential...
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Convergence problem in a simple geometry with Joule heating module
Hi guys, I am modeling a simple geometry (some stacked layers) with um and nm dimensions in comsol 4.3b. The convergence plot goes down rapidly at first and after some iterations it seems that the...
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pulsed RF ICP modelling
Hi, all, I am wondering if COMSOL is able to solve a pulsed RF ICP model or not , is there anybody got a example to show ? Thanks for your attention
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Evaluate function F=C1*C2, where C1 and C2 are from two different solution
Hii.. I want to evaluate a function F=C1*C2, where C1 and C2 are solved in two different solutions. C1 is solved in Solution1, which is a stationary solution, while C2 is solved in a time dependent...
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Elastoplasticity
Hello everyone, I want to define an elastoplastic behavior on Comsol. I choose the Solid Mechanics model in Structural Mechanics, but an Linear Elastic Material node is automatically generated in the...
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How can the assembly in Solidworks be edited after being imported into Comsol...
Hi all, I imported an assembly from Solidworks to Comsol using Livelink. I have a few questions as follows: 1. Where can I see and change the x, y, z position of the imported model? I want to add...
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3-D Oxygen permeation model
Hi, i'm a Master after Master Program student and i'm trying to solve a problem concerning the permeation of oxygen in a 3-D object where i have an internal gas headspace ("Transport of species...
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How to determine domain number from a given block name.
Hi I'm currently working with a project where I have to prepare a model to be illuminated in the RF module by microwawes and ultimately being able to determine the location of tumors in human tissue....
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Coupling Physics
Hello!! I want to know if anyone can help me with the following problem: I have a material in which I defined the conductivity tensor taking into account that I will apply a magnetic field. I generated...
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ACDC Frequency Domain simulation with two different frequencies
Hello, I am trying to simulate two resonance circuits using the ACDC Module. How can I simulate the system in the frequency domain considering that the voltage sources of the two respective circuits...
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power through scattering boundary condition
Hello all; Im using scattering boundary condition as power source to illuminate my structure. Everything is Ok with that but I just don't know how to calculate the amount of power that is going through...
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Parameter value list (elastoplasticity)
Hello everyone, I'm simulating a tensile test on a steel tube presenting some defaults with external strain-stress data. I want ultimately to have a strain-stress curve plotted by Comsol for the...
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Different Meshings for different Domains
Hello, I am trying to understand how meshing works. In particular, I am trying to figure out how to make different size meshes for different domains in my project. I have two 3D objects in my scene....
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Mesh generation in Comsol 4.3b for Stacked
Hi Guys. I have 4 stacked layers starting from very thick (50 um) to very thin (30 nm) thicknesses. I have problem with mesh generation. Tried everything but could not mesh the geometry. The thinnest...
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How to calculate total pressure drop (inlet - outlet) of 3D ventilation...
Dear Comsol experts, I am a novice in comsol 3D and would appreciate some help in post processing my results - calculating the total pressure drop (3D) of my model. I have made a simplified 3D model of...
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How to obtain the mass moment of inertia
Hi! I need to find the moment of inertia of a complex structure. Anyone knows a way to calculate it? I took a look at the forums but the info I saw was very confusing. Thanks a lot!
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Parameter sweep and solution steps help
Hello, I am new to Comsol and I am having some trouble using the parameter sweep. I am modeling a floquet boundary condition in eigenfrequency analysis for a solid mechanics model. I need to set few...
View ArticleClik here to view.
holes creating in membrane
i am making a cantilever mems .I have create a membrane but i have some problems that how can a i create muti hole and slots in the plate .
View Article