Active discussions in the forum
Announcement: 36 application specific minicourses available at the COMSOL Conference next week
Hello, This year at the COMSOL Conference 2016 Boston, we have 36 minicourses on multiphysics modeling. The conference offers a comprehensive training program for simulation professionals like you to hone your skills.... Read more »
Posted 2 days ago
Announcement: IEEE Spectrum Multiphysics Simulation 2016 ebook is now available!
Hello! We are excited to announce that this year's IEEE Spectrum Multiphysics Simulation insert is now available to view online and for download at: www.comsol.com/offers/mphsim16 Read the ebook to see how high-tech... Read more »
Posted 3 weeks ago
Announcement: Now available: COMSOL 5.2a Update 1
Hello, I'm pleased to announce that COMSOL 5.2a Update 1 is now available. This is a quick installation to keep your software current and stable. Update 1 applies to Version 5.2a of COMSOL Multiphysics and Application... Read more »
Posted 1 month ago
Single turn coil - Gap Feed
First time I've used single turn coil in 3D. In axi-2D excitation is straightforward. But in 3D I have to use Gap Feed to excite it. Help tells me that "This feature should be applied on internal boundaries to the conductive... Read more »
Posted by Harvey Rutt 7 minutes ago
How to export the slice image from 3D ?
hello, I am building a 'human head' model, in the 'electrostatics' division of the 'AC/DC module'. I create a plot slice of my model. I need to export that plot slice to JPG or JPEG or PNG. How do i do? Read more »
Posted by Linahtadiya Andiani 2 hours ago
Negative Concentrations
Hello, How to avoid negative concentrations? Can anyone please help me? dCA/dt = -CA1*ko*exp(-E/R/T) I used the following constraint on concentration. CA1=if(CA<0,0[mol/m^3],CA) But it returns the following... Read more »
Posted by Krish 2 hours ago
Initial Value Erron in Time Dependent Study
Hi Forum, I'm working on a 2D model in solid mechanics. The model was defined an initial velocity in global coordinate and a prescribed displacement in boundary coordinate system. The material is some rubber like elastomer... Read more »
Posted by Yu Song 3 days ago
Could not add heat flux (boundaries not applicable)
Hello, I am currently working on a model simulating the heating of an aluminum plate in air. I used "heat transfer in solids", but when I try to add the heat flux through the boundary between the plate and ambient air, COMSOL... Read more »
Posted by Qing Xu 7 hours ago
Parameter sweep with varying number of entities in geometry
Hi all, I am studying diffusion behavior in electrodes and got stuck in geometry setup. I want to create a geometry with an array of circles in a rectangle, where the number of circles and their positions depend on some... Read more »
Posted by Fan Wang 8 hours ago
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COMSOL Blog
Soft Robotics Enables Flexible Robot Designs to Take Shape
Imagine going to a hospital and having your vitals checked by a machine with a silicon skin, or exploring hard-to-reach areas on the ocean floor with a robot that moves... Read more »
Improved Capabilities for Meshing with Tetrahedral Elements
To help optimize your modeling processes, we are continuously striving to enhance the quality of our meshing capabilities. The recent improvements to the algorithm for... Read more »
Reduce the Fan Noise of a Turbofan Aeroengine with Simulation
The fans in an airplane's turbofan engine are one of its main sources of noise. In excess, this can cause a range of health problems, including hearing impairment,... Read more »
Sampling from Phase Space Distributions in 3D Charged Particle Beams
In the previous installment of this series, we explained two concepts needed to model the release and propagation of real-world charged particle beams. We first... Read more »
Understanding the Paraxial Gaussian Beam Formula
The Gaussian beam is recognized as one of the most useful light sources. To describe the Gaussian beam, there is a mathematical formula called the paraxial Gaussian... Read more »
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