Modelling Magnetic Field Outside Inductor Component
Hello,I have an inductor acting as an antenna that I would like to model the magnetic field around it. I have attached a picture below. I tried following the dipole tutorial, but got confused with how...
View ArticleCurve Evaluation
hello, I use COMSOL for a short time and want to know how I can display the maximum and minimum values a curve in the table. I thank you in advance
View ArticleLoft command for Matlab Livelink
Hello, I am bulding a 3D geometry with Matlab Livelink (and COMSOL 5.5). I would like to ask if there is a command for performing Loft operations. I could not find anything on the list of commands in...
View ArticleDirichlet boundary condition for air bubbles
The below post is related to an archived discussionHi,As part of my bachelor thesis, I’m modeling an acoustic microcavity where an air bubble is trapped inside a U-shaped solid structure (Image in...
View ArticleRegarding short edges are appearing in the model even after doing virtual...
After importing the model geormetry to the COMSOL, there are many faces and edges were there. I used virtual operations as they mentioned in the forum discussions of COMSOL. But still there is an error...
View ArticleFluid Structure Interaction
Hello, I am trying to model the interaction between an fluid injection and a thin membrane layer. I am unable to get any interaction between the fluid and solid, however. I am using the fluid-solid...
View Article3d model manet field speed
in the 2d model ,In the Physics toolbar, click Domains and choose Velocity (Lorentz Term),however in the 3d model,click Domains,there is no Velocity (Lorentz Term)
View ArticleOverride properties
unable to find override properties under physics tool bar. please help
View ArticleHow to Simulate Magnetic Field Around Inductor Component?
Hello,I have an inductor of my own that I am attempting at simulating the magnetic field about it when there is current running through it at a specific frequency. How would I do this?I tried using the...
View ArticleWhat caused the COMSOL model error "undefined value found"?And how to solve it.
Hello, may I ask what caused the following errors in COMSOL model calculation?Undefined value found. - Details: Find the undefined value stiffness matrix in. There are 9,821 equations, and in the...
View ArticleError Message
Hi, I am new to COMSOL multiphysics and I encountered an error. I am following a tutorial to get familiar with the software. Even after following the instructions, I am getting an error message which I...
View ArticleUsing the parameterized scanning function, how to use the statement...
Hi All,I have got some problem. Using the parameterized scanning function, how to use the statement ‘mphinterp’ to extract data of a certain coordinate under all parameters? Best Regards
View ArticleModelling steady-state fluid flow inside a horizontal rock fracture
I am modelling steady-state fluid flow inside a horizontal rock fracture which is inside a cubical rock block. The fluid will flow inside the fracture from one side and outside from the three remaining...
View ArticleDefining and simulating heat transfer from external PCB design
Hello,First of all I am very new to COMSOL in learning phase (aligned to the learning phase of thermal propagation)I am trying to see if I can simulate an active antenna I've designed using CST. I was...
View ArticleLinear Solver COMSOL
Hi,I am solving a fluid flow problem. I want to explicitly set the solver to linear. Where in COMSOL 5.4 can I do that?
View ArticleECAD Import Sweep?
Hi,I'm running batches of a piezoelectric, frequency domain simulation over a dozen or so structures which are in part generated externally and imported to COMSOL as .gds files through the ECAD Import...
View ArticleFlexure Hinge Simulation Failing to Converge
Hi,Desciption of IssueI am attempting to model a flexure hinge subject to bending (see attached picture and model) using the Solid Mechanics module with a stationary study and have run into convergence...
View ArticleFSI model - ventricle like model
I'm working on a model to simulate the movement of a ventricle like structure caused by the pulsation of the fluid. I first started by simulating only the fluid part of the structure (inner structure)...
View ArticleHow is Quality factor for frequency solid.Q_freq defined in COMSOL
Hi All,I am wondering how is Quality factor for frequency (solid.Q_freq) defined in COMSOL?In thin film BAW demo, Global solid.Q_freq as a function of frequency is a continuous curve (similar to the...
View ArticleHow to make a omega shape in comsol using 3D geomety
Hi, I am trying to make a microstrip line with a omega shape in the center of the wire. I tried using a rectangular block and then added another block to it but I cannot bend the lines or add a...
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