Coil Group Box under Multi-Turn Coil
Hello, In axial-symmetric geometry I am simulating magnetic fields created from multiple multi-layer solenoids stacked on top of each other. I am using the Multi-Turn Coil function, and had a question...
View ArticleCoil Group Box under Multi-Turn Coil
Hello, In axial-symmetric geometry I am simulating magnetic fields created from multiple multi-layer solenoids stacked on top of each other. I am using the Multi-Turn Coil function, and had a question...
View Articlesimulation problem
Hello, I'm running a simulation for 60 ms but my simulation is not running after 10.85 ms. Could anyone help? Regards, Ganesh
View ArticleImproving Robustness in consideration of changing material properties
Hello Comsol community! I have successfully built the skeleton of my model! However, when I alter the material properties (dynamic viscosity and density in this case), the model stops working. I mean...
View ArticleCannot get Creep Strain with reasonable Creep Strain Rate? time integration...
Hello all, I have been struggled with a weird problem for quite a while: I am using a user-defined Creep rate tensor in the the Solid Mechanics Module, in order to simulate material response that...
View ArticleCombining parametric and auxiliary sweep
Hello everybody, I am having some troubles with a quite simple simulation. I must simulate the behaviour of a thin membrane which is stretched by means of a displacement applied to one of its ends. I...
View ArticleVibrating Beam in Fluid Flow
Hie I am trying to simulate Application ID: 9408 I have followed the same instruction but getting these following errors Please Help!! Undefined variable. - Variable: step1 - Geometry: geom1 - Boundary: 1
View ArticleConvergence of non-isothermal flow simulation stationary
Hello, i have problems with my simulation of non-isothermal flow (including surface-to-surface radiation, but i think the problem is the fluid flow). The fluid flow is considered to be laminar. The...
View ArticleTwo physics simulation: Electro-Optics
I'm running Electro-optic simulations and I've coupled two physics, namely RF and Wave Optics. I'm running the Mode Analysis in the RF Physics to solve for 2D electric field given my particular...
View ArticleValidation tension test
Good morning. I have to solve a simple problem as fast as possible before my engineering degree. I chose Comsol to simulate the behavior of a orthotropic material specimen during a uniaxial tension...
View ArticleHelp required in Electric field (AC/DC Module) simulation
I am an absolute beginner in COMSOL and need all the help I can for my project which I am doing in COMSOL. I have tried a lot to solve it on my own, but failing to do so I really hope the COMSOL...
View ArticleDisplacement limit in electromagnetic actuator
Hello all, I am trying to simulate the displacement of a plunger in an actuator due to the effect of the forces ( the model includes permanent magnets and a coil), so for my transient analysis I am...
View ArticleError
Hi everyone!! i had following error in my model.. can any one say what it is?? Unknown function or operator. - Name: mod1.mf.mtcd1.ccc1.int_term
View Articlevibrating blocks with certain velocity between two points
I am a beginner in COMSOL multiphysics software. This days I am dealing with magnetic induction I have a simple platform containing magnets moving horizontally on a vertical inductor, I want that...
View ArticlePML error
Hi all, Can someone point me what I do wrong? I tried to repeat Scattering from plasmonic nanosphere model, so I have Au sphere + Air domain (sphere) +PML/ABC domain (sphere). When I defining PML as...
View ArticleParameter study and using probes
Hi, I am trying to conduct a parameter study and I want to measure the pressure in my model at certain points by using probes. The problem I have in the moment is that all the probes return NaN. So, I...
View ArticleMultigrid failure during solver
Hey all, I'm working on a 3D model of a microfluidic system using the laminar flow (spf) and transport of diluted species (chds) physics models. I've got everything modeled with all the physics...
View ArticleTracking Residual
I need to track the residual in my simulation in order to represent how closely the governing equations are being represented. I know comsol keeps track of residual since ive had several errors...
View ArticleError-Automatic remeshing
Hi, I encountered a problem about "Automatic remeshing" with "deformed geomerty" and Time-Dependent Solver When I ran the program, Comsol always displayed a Error: Unsupported operation on this type of...
View Articlehigh-end computer-guidance garbage
A couple weeks ago we asked for some guidance from COMSOL on a computer upgrade - for running big problems - 10 to 20M DOFs. We were directed to this pagewww.comsol.com/support/knowledgebase/866/ where...
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