Using Different Physics Interfaces for RF Electromagnetic Heating Models
The COMSOL Multiphysics® software is well suited for modeling RF heating, where one needs to solve for both the electromagnetic fields and the temperature distribution over time. Although you might think that you need the RF Module for all types of problems…
Generating a Simulation Mesh of a Femur From 3D Data
Have you ever wondered how to create a simulation mesh out of data obtained by 3D imaging techniques? In this blog post, we will explain how to do so using the COMSOL Multiphysics® software. This topic expands on the theme of modeling irregular shapes,…
Performing Topology Optimization with Milling Constraints
Topology optimization is associated with extreme design freedom and thus extreme performance, but the resulting designs are often incompatible with conventional manufacturing techniques. The development of manufacturing constraints for topology optimization is an active research topic. The COMSOL Multiphysics® software supports milling constraints, and in…
The Intriguing Stresses in Pipe Bends
For many structural engineers, beam theory is a popular analysis tool. Using the equations can be beneficial when considering structural behavior, as they are easy to apply and provide useful results. However, it’s also known that due to the simplicity and convenience, beam theory…
4 Examples of Fuel Cell Modeling in COMSOL Multiphysics®
Fuel cells are one of the most talked about new technologies in the clean energy domain. Fuel cells generate electricity via electrochemical reactions involving hydrogen and oxygen, where the sum reaction yields hydrogen oxidation and oxygen reduction. Simply put, if a fuel cell has…
Modeling the Pulsed Laser Heating of Semitransparent Materials
It’s quite common to use focused laser light to rapidly heat materials for various purposes, including within the semiconductor processing industry. Here, we will look at a Gaussian profile laser beam with periodically pulsed intensity, heating up two different semitransparent materials deposited…
How Decaying Shells Help Preserve the Alkalinity of the Seas
Calcium carbonates produced by sea creatures help to maintain the ocean’s alkalinity — and also serve as a natural sink for anthropogenic carbon dioxide. To better understand essential but obscure deep-sea galvanization processes, Olivier Sulpis of Utrecht University developed an innovative 3D reactive-transport model…
Shape Optimization in Electromagnetics: Part 1
Shape optimization can be used to improve designs in many different physics areas. In this blog post, we will focus on shape optimization in wave optics. We will go over the shape optimization features in the COMSOL Multiphysics® software and show what you can expect…
Major News in COMSOL Multiphysics® Version 6.1
COMSOL Multiphysics® version 6.1 introduces new functionality for detached eddy simulation, thermal analysis of satellites, winding layouts for electric motors, and robust mechanical contact. A new interface enables the analysis of battery packs with several hundred cells. Simulation of acoustically driven flows is made possible by…
Get an Inside Look at an Innovative Rainwater Drainage System
A multidisciplinary team worked together to design and install an aboveground rainwater drainage system in Copenhagen, Denmark. The resulting structure provides an ingenious system for dispersing rainwater runoff from nearby rooftops and mitigating noise pollution. Watch the video