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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...

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Curve 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

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Loft 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...

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Dirichlet 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...

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Regarding 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...

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Fluid 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...

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3d 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)

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Override properties

unable to find override properties under physics tool bar. please help

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How 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...

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What 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...

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Error 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...

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Using 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

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Modelling 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...

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Defining 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...

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Linear 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?

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ECAD 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...

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Flexure 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...

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FSI 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)...

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How 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...

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How 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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