FSI rotating mesh
Hi everyone, I'm trying to simulate a rotating object inclined in a laminar flow with the FSI physics. I managed to rotate an object with a body load, but it causes a lot of remeshing. The rotating...
View ArticleElectric insulation in MEF
Hello all, I want to create a thin insulating layer (or sheet) within a conductive domain (interior boundary). I use MEF mode and the boundary condition should allow a jump in the electric potential...
View ArticleHow to add a condition on the mode solver when using the parametric sweep?
Hi, I am using the RF module of COMSOL 4.3b to determine the effective refractive index of the modes of a waveguide as a function of the wavelength (for instance between 600 and 700 nm). I am therefore...
View ArticleCOMSOL Multiphysics 4.4 is here!
Hello COMSOL Community, The most powerful multiphysics software just got more powerful: We are excited to announce that the latest release of COMSOL Multiphysics, version 4.4, is now available for...
View Articlecan you explain how to put the friction??
Hello, I'd like to learn how the friction in 3D Non-Newtonian mode is given the comsol. please, let me know if you know that.
View ArticleNew to COMSOL - Issues with Modelling a MEMS Coated Micromirror (2D)
Hi, I am new to COMSOL software, however I have started building a 2D model of a MEMS Micromirror with a thin film coating of SiO2. My aim is to match experimental results regarding the radius of...
View Article"No frame is defined for 0D applications"
Hello again. I am trying to simulate an E-core transformer. When I click the study 1 and select the show default solver there is an error occurs "No frame is defined for 0D applications" . What is it...
View ArticleGraphene in COMSOL?
Hi, I need to build a graphene sheet (for both 2D and 3D geometries) on an underlying substrate for simulating some experiments in COMSOL. Any help on this, as well as subsequent meshing (for...
View Articlesmart parametric sweep?
Hi, I was wondering if in Parametric sweep it is possible to update Study Settings based on the up-to-date results of the computation (i.e. based on the results computed from the previous step of the...
View ArticleProblem on select the material on material library on COMSOL 4.3b
I am a new user of COMSOL, and there is a problem on selecting the stainless steel SUS304 on material library. I cannot find it. Could you please help me to show the way of choose this kind of...
View ArticleCapacitance vs voltage plot
Hii, I'm working on rf mems switch,please help me in knowing the modeling to plot capacitance vs.voltage plot and displacement vs.voltage plot..
View Articleunable to save and compute mesh
Hi there, I have two issues: 1. I am unable to save my model. I have imported an assembly from solidworks into comsol and when I try to save I get the error " An invalid XML character (Unicode 0x4) was...
View ArticleNo convergent results in nonlinear structural mechanics.
I use COMSOL 4.3b to solve the problem of acoustic waves propagating in solid /air(water) with Eigenfrequency study/ Frequency domain studies. The solid-acoustic interaction need be considered in the...
View Articlee-core transformer simulation
I want to simulate e-core transformer in model gallery. Everything worked. But, after solving, graph was wrong. Induced current and voltage of prim.coil graphs are normal, sine graph, but graphs of...
View Articlequestion about three dimension (3D) plasmonic waveguide
Hi everyone, Recently I have modeled a 3D plasmonic waveguide for calculating the transmission, utilizing boundary mode analysis and frequency analysis. The power flow distribution is fine (please see...
View ArticleFlexible Parametric Sweep
Dear all I have a biomechanical model from lower leg. I need to find the map of applying pressure to the model in such a way that could satisfy a specific pattern of displacement. I am trying to use...
View Articlemicrocantilever
hii sir iam new to comsol4.3 how can we add a chemical to microcantilever surface??
View ArticleMemory problems
Hi, I am working on a workstation and the Comsol is using just 10% of the memory and it takes much time to solve. How can I force it to use more of the available memory ? Thanks
View Articlemicrocantilever (MEMS)
Hi sir iam new to both microcantilevers and comsol.. what is meant by eigenfrequency of microcantilever??.. I look forward to hearing from you!!.. Thanks in advance!!..
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