Meshing of Fluid structure interaction in a blood vessel
hi all, I am doing a FSI steady state analysis of blood vessel, the fluid domain surrounds by 4 layers (solid domains). the thickness of fluid domain is in millimeters but solid domains have diameters...
View ArticleFSI of Synthetic Jet Actuator
Dear Experts, I am working on simulation of synthetic jet actuator and i am coupling the FSI and Piezoelectric devices physics. i am trying to model case study from one of the paper that was presented...
View ArticlePre stressed frequency domain analysis - How to: Values of Dependent variables
Hello, I am trying to use the solution of the static deformation as the initial conditions for my frequency response analysis. First, I have prepared two solutions, the static deformation is calculated...
View ArticleUsing the grad-free optimization and the with operator.
Hello, I am currently using the Grad-free operator to try to solve an inversion problem. The problem consists of taking measurements of a magnetic field at the surface. We are making synthetic models...
View Articlesurface integrals
I am simulating nonlinear interactions in waveguides and would like to calculate the overlap integrals associated with those interactions. For example, I have found the modes and effective indices for...
View ArticlePotential on a surface of a sphere produced by a dipole source inside
Dear all, I would like to calculate electrostatic potential distribution on a surface of a homogeneous conductive sphere produced by a dipole source inside of this sphere. I have created a sphere and a...
View ArticleVarying A Parameter of a function to get various values from the equation
Hello, I recently started using COMSOL and I am totally on my own and would be really grateful if you could help me out with one question: I'm trying to simulate the change of contact angle of a...
View ArticleCombining Infinite Elements and Translational Motion
I am working on a model and have been unable to find a way to combine both infinite elements and translational motion on the same domains in the model. I have attached a picture from a slightly older...
View ArticleMulti-linear isotropic hardening
Hi! I'm working on a thermo-mechanical model (including plasticity) and I am defining a hardening function by an interpolation function because I have the stress-strain curve. The problem is that I...
View ArticleReflectance / Transmittance calculation using PORT
Hello all I want to calculate effect of nanostructure on reflectance and transmittance. As a starting point, I have refered "Fresnel equation" library. Without any nanostructure, the calculated...
View Article3D optical waveguide error
Hello everyone, What I'm trying to do is basically simulate an optical fiber in 3D. I thought it would be a simple task but I'm running into an error. I created an optical fibre with an air cladding....
View ArticleMutual coupling between stator and rotor of electric motor
Hello, I am trying to observe the magnetic coupling between stator and rotor of electric motor. I have buit a simple model in COSMOL, I have given three phase voltage to stator winding and successfuly...
View ArticleComsol Rf penetration simulation
Hi Everyone, I am newbie to Comsol and I want to know ' is it possible to simulate the RF signal penetration through different metals using comsol?' I am testing, what different metals the RF signal...
View Articledisable scineffect in the coil domane
Dear all, in my model i have 2 circular coils width N1=20 and N2=20. N1 have a currenr 1A and N2 have a current 0A. I started my study width 140kHz. Frequency domane. Because in the real we use a high...
View ArticleMeshing around a random surface
Hello, I am modeling diffuse joining using phase field method (entered as coefficient form PDE) in COMSOL. My domain is a parallelogram twice cut across with random surfaces. Each surface is generated...
View ArticleEigenvalues and Eigenfrequencies
What are eigenvalues and eigenfrequencies? What do they do? (I'm really new to COMSOL.) Appreciate the help!
View ArticleFace number assignment when applying a potential
Hi, I was wondering whether someone can help me. I have made a 3d wire mesh in comsol, Would it be possible to select on all the inside faces of the wire without manually clicking them all so that a...
View Articlehigh strain rate modelling
i am a beginner. i want to use johnson and cook model for high strain rate in comsol. how to do this in comsol. kindly please regarding this.
View Articletffs Module - Journal bearing - cavitation
Hello all, I use the thin film flow module (with reynolds equation) to create a journal bearing model. I am trying to build a journal bearing model which gives me a realistic fluid film pressure...
View ArticlePlotting along the cross section of helical profile
Hi, I want to plot 1D line graph along the cross section of helical structure. Is there any way to do that? Thank you,
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