Active discussions in the forum
Announcement: *Friday, July 17* Early Abstract Submission Deadline for COMSOL Conference 2020 North America
Hello COMSOL Users! **Friday, July 17**, is the early bird abstract submission deadline for the COMSOL Conference 2020 North America. Submitting your abstracts by this date will qualify you for a reduced registration rate for... Read more »
Posted 5 days ago
Simulating rubber piercing in COMSOL
Hello, I am trying to simulate penetration of a rubber membrane by a solid needle. This needs material failure to be simulated. Basically when the stress in a particular element in the rubber domain reaches the yield strength... Read more »
Posted by Ajay 6 hours ago
卡塞哥伦天线如何建立模型仿真？
天线在极端情况下的电磁场仿真（如高温高压导致的形变），如何建立卡塞哥伦天线模型并进行多物理场仿真？ Read more »
Posted by 张华 张 0 seconds ago
Choosing a specific batch recovery instance
The below post is related to an [archived discussion](/forum/thread/161361/restart-in-batchmode) *** Hello, I made a mistake on my batch script while trying to restart a comsol simulation in batchmode. I'm running a large... Read more »
Posted by Raimundo Gonzalez 8 hours ago
Complex permittivity
I am trying to modeled scattering of layered sphere. For material modeled of one of these layered i should define permittivity as a complex value. So i tried to difined 'er' and 'ei' and created interpolation for both. then... Read more »
Posted by Amin A 11 hours ago
Isolation of the heat flux of a geometry at a certain point in time
Hello everyone, I would like to simulate the heat flow of a laser beam during laser drilling in Comsol. However, I currently have problems with the simulation of material ablation. I have already dealt with the blog entry of... Read more »
Posted by Marcel Jung 11 hours ago
Color Expression in Particle Tracing
Hi, I am using the particle tracer module to analyze the axial mixing performance of a static mixer. Particles are being injected at the inlet at t=0, 0.1, 0.2, ... 0.8. During post processing results, I am using a 2d Plot... Read more »
Posted by Aditya Pujari 12 hours ago
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COMSOL Blog
Computing the HRTF of a Scanned Geometry of a Human Head
The head-related transfer function (HRTF) is an important factor when designing audio devices. Acoustics engineers often use a generic HRTF measurement, but every... Read more »
Using 3D Models to Investigate Inductive Effects in a Submarine Cable
Replacing a faulty submarine cable can be extremely costly (potentially over 100 million US dollars), so the typical design is built to last for over forty years. To... Read more »
Modeling Cables in COMSOL Multiphysics®: 8-Part Tutorial Series
Want a roadmap to modeling cables? We have an eight-part tutorial series for you. The Cable Tutorial Series shows how to model an industrial-scale cable in the COMSOL... Read more »
Modeling an Ear Canal's Acoustics to Optimize In-Ear Audio Products
Have you ever noticed how your own voice sounds different when you speak while wearing a set of headphones or earbuds? Known as the occlusion effect, this phenomenon... Read more »
3 Important Animals of Science from Throughout History
Over time, animals (both real and computer generated) have played a key role in moving science forward. Keep reading to learn about these 4-pawed heroes —... Read more »