Latest Posts
Modeling Ray Propagation in a Newtonian Telescope System
Ray optics trivia: The Newtonian telescope, recognized as the earliest operating reflecting telescope, was developed in 1668. Today, simulation can be used to trace rays through this device.
Keynotes from the COMSOL Conference 2014 Boston
The COMSOL Conference 2014 Boston featured 2 inspiring keynote presentations with speakers from Oak Ridge National Laboratory and WiTricity. Get an overview of what they discussed…
Investigating LED Efficiency via Multiphysics Simulation
Ever wonder how efficient LED lighting is, compared to traditional florescent lighting? In this blog post, we demonstrate how to analyze LED efficiency with multiphysics modeling.
Creating an App for Modeling Flow Control in a Pipe Network
Simulation apps can be used as dedicated tools for modeling the flow and pressure distribution inside a network of connected pipes. This would be useful in, for example, semiconductor processing.
Making Waves with Contour and Isosurface Plots
In this installment of our blog series on postprocessing your simulation results, learn how to use contour and isosurface plots to show quantities on a series of lines or surfaces.
Using Virtual Operations to Simplify Your Geometry
CAD geometry: A set of data structures that provide a very precise method for describing the shapes of parts (called boundary representation, or B-rep).
How to Easily Connect 1D Pipes to 3D Flow Domains
You can easily connect 1D pipes to 3D flow domains for your pipe flow simulations using a feature in the Pipe Flow Module available as of COMSOL Multiphysics® version 5.0.
New Accumulators Boost Particle and Ray Tracing Functionality
Accumulators, a series of features available in the Particle Tracing Module, can be used to couple the results of a particle tracing simulation to other physics interfaces.
Which Fatigue Model Should I Choose?
Have you ever asked yourself, “Which fatigue model should I use in my simulations?” If so, read this blog post for a comprehensive overview of the available Fatigue Module models.
Create Geometry from an Imported Mesh
Did you know that as of COMSOL Multiphysics® version 5.0, imported meshes can easily be converted into solid geometry objects for further investigation and modeling capabilities?
Apps for Teaching Mathematical Modeling of Tubular Reactors
Chemical engineering students can use the Tubular Reactor app to model a nonideal tubular reactor and investigate the impact of different operating conditions. Learn more >>
Working with Imported CAD Designs
The CAD Import Module, Design Module, and LiveLink™ products go beyond the capabilities of COMSOL Multiphysics® with CAD tools for repairing and preparing a geometry for simulation.
A Brief Introduction to the Weak Form
Whether or not you use finite element analysis and vector calculus in your daily life, you’ll appreciate this introduction to the weak form equations.
Modeling Thermally Induced Focal Shift in High-Powered Laser Systems
You can use the Ray Optics Module to create a fully self-consistent model of laser propagation that includes thermal and structural effects. Here, we take you through the process step by step.
Analyzing Aircraft Engine Noise Through Simulation
By modeling flow duct systems in aircraft engines, it is possible to optimize the shape of certain engine duct parts and the lining properties in order to reduce the sound emission.
Introducing the Ray Optics Module
COMSOL Multiphysics version 5.0 introduced an add-on module for electromagnetics modeling: the Ray Optics Module. It can be used to perform ray tracing and geometrical optics studies.
Why Haven’t CPU Clock Speeds Increased in the Last Few Years?
Did you ever notice that around the year 2005, the top speed of high-end processors plateaued at 4 GHz? We discuss why this happened and why CPU speeds haven’t increased much since.
Rosetta and Philae: A Historic Landing on a Comet
In 2014, the spacecraft Philae, aboard the Rosetta, landed on a comet for the first time ever. We talk to 2 of the scientists involved in this project about what this means >>
The Tuning Fork Application
Do re mi fa so la ti do! Did you know that the most common standard pitch for a tuning fork is 440 Hz, which forms the note A? See a tuning fork simulation app in action here >>
Hydrocooling Analysis for Fresh Produce Safety
During the hydrocooling process for tomatoes, bacteria can seep through and contaminate the food, making it unsafe to ingest. Researchers from Cornell University used simulation to investigate.
Meet the Winners of Intel’s Make it Wearable Challenge
The winner of Intel’s inaugural Make it Wearable contest in 2014 was Nixie — a small drone that you can wear on your wrist and use to take photos and videos. Learn more about it here.
Synthesizing Graphene with Chemical Vapor Deposition
Chemical vapor deposition is an attractive method for producing graphene, an ultrastrong and light polymer material. Researchers from University of Arkansas used simulation to study this process.
COMSOL Multiphysics 5.0 Brings User Interface Improvements
Updates to the COMSOL Multiphysics® UI ribbon with version 5.0 include: change in color scheme, additional multiphysics interfaces, a materials tab, global materials, and more.
Coupling Structural Mechanics Interfaces
The Structural Mechanics Module consists of specialized interfaces: Solid Mechanics; Shell, Plate, and Membrane for modeling thin structures; and Beam and Truss for modeling slender structures.