Active discussions in the forum
Announcement: COMSOL News 2018 is now available!
Hello! We are excited to announce that this year's edition of COMSOL News is now available: [comsol.com/offers/comsol-news-2018](https://www.comsol.com/offers/comsol-news-2018) Read the magazine to see how simulation... Read more »
Posted 4 weeks ago
Two phase darcy Law
I am trying to model a air-water flow in a glass-bead base porous media (with three zones; matrix, fracture and skin)- [the problem definition is attached ] -The model I set up is symmetric 2D Two-phase Darcy's Law, which is... Read more »
Posted by Maziyar Mahmoodi 6 hours ago
Plotting equipotential as contour plot without AC/DC module
I am attempting to plot equipotential as a contour plot on a 2D model. I don't have the AC/DC module. Does anyone have any suggestions? Thanks, John Vogel Read more »
Posted by John Vogel 8 hours ago
Interfacing Piezoelectric Device with Electric Circuit
Hi, I am trying to model a piezoelectric device and interface it with the electric circuite interface. The piezoelectric material should create a voltage, between GND and a Terminal which then should be connected to a... Read more »
Posted by MKS 15 hours ago
micromotion/ relative displace
Hi, I'd like to know if it possible to get the relative displacement between two surfaces in contact by friction. I defined points but it is not possible to link them on the surfaces. Is there an easy way to get this... Read more »
Posted by Vincent Thommen 1 day ago
Regarding simulation fiber Bragg grating
Hi all, Does anyone has experience regarding simulation of fiber bragg grating and also using comsol tools to calculate the coupling coefficients of modes in a fiber. Please throw your ideas if you have already performed... Read more »
Posted by MANISH SHARMA 1 day ago
Fatigue material degradation
Hi, I am new in fatigue analysis in Comsol. We know, during fatigue loading material property (e.g. stiffness, strength) of a specimen degrades with the increase of load cycle. Is it possible to measure the degraded material... Read more »
Posted by Riaz Ahmed 1 day ago
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COMSOL Blog
How to Model Conductors in Time-Varying Magnetic Fields
One of the more common uses of the AC/DC Module, an add-on to the COMSOL Multiphysics® software, is for modeling conductors and other lossy materials in time-varying... Read more »
Analyzing the Current Distribution in a Lead-Acid Battery Design
Some inventions haven't changed much since they first came about...even if centuries have passed. For instance, the pop-up toaster was invented in 1921, and although... Read more »
Analyzing Multiphase Flow in an Airlift Loop Reactor Benchmark Model
Multiphase flow involves the simultaneous flow of fluids of different phases, such as gases and liquid, or solid particles suspended in a fluid. As such, modeling... Read more »
Happy Birthday, Gustave-Gaspard Coriolis
Gustave-Gaspard Coriolis was a French physicist with a passion for mechanics. He spent much of his time contemplating the nature of movement in machinery and introduced... Read more »
Analyzing Magnetotellurics with Electromagnetics Simulation
Mount Erebus, one of Earth's most remote volcanoes, sits covered in snow and ice. These chilly surroundings can be misleading, as Mount Erebus has another claim to... Read more »