Blog Posts Tagged Technical Content
How to Implement Elastoplasticity in a Model Using External Materials
Sometimes the mechanical behavior of a material is not readily expressed in terms of a built-in model. In these cases, you can use external materials. Learn how with an elastoplasticity example.
Multiparameter Optimization with a Least-Squares Objective
Learn how to estimate parameters using multiparameter optimization, which will automatically adjust your model based on an underlying data file of experimental parameters.
What Is the Physics Behind a Counterweight Trebuchet?
A counterweight trebuchet, a siege weapon commonly seen in movies set in the Middle Ages and fantasy worlds, also happen to be an interesting multibody dynamics problem.
Modeling Surface Reactions in Porous Media and Reactive Pellet Beds
Reactive pellet beds have complex local geometries and undergo microscopic diffusion, but there is a way to simply and accurately simulate these devices in COMSOL Multiphysics®.
Evaluating the Effect of Shell Thickness on Muffler Performance
Guest blogger Linus Fagerberg from Lightness by Design follows up a previous post with a discussion of one design consideration for the radiated sound in a muffler design: shell thickness.
Computing Porosity and Permeability in Porous Media with a Submodel
Porous materials have complex geometries and may therefore be difficult to model. Setting up a microscale submodel is a useful approach to find the porosity and permeability of the medium.
Silicon Photonics: Designing and Prototyping Silicon Waveguides
John Tyndall tried to control the most visible form of energy, light, using 2 buckets and some water. Today, there is a more advanced device for this purpose: a silicon waveguide.
Predicting the Sound Emission of a Muffler Design via Simulation
Cars with subpar mufflers are annoyingly loud. Guest blogger Linus Fagerberg from Lightness by Design discusses a novel, simulation-based approach to predict noise generation in muffler designs.
How to Save Computational Time with a One-Way Coupling Approach
Simulating heat transfer in fluids with forced convection can be very computationally expensive. Did you know that you can save a lot of time and resources with a one-way coupling approach?
Using Simulation to Study Ultrasound Focusing for Clinical Applications
Guest blogger Thomas Clavet of EMC3 Consulting discusses the simulation of ultrasound focusing via phased array and geometrically focused probe designs for clinical uses.
The Optimal Workflow for Complex Modeling Projects on a Deadline
You’re working on a complex modeling project under a tight deadline, and your computation is taking a long time to solve. You can breathe easier by using this optimized workflow for such scenarios.
How to Use the Well Feature in Subsurface Flow Models
The Well feature makes it easier to set up and mesh well geometries for subsurface flow modeling. Learn how to take advantage of this feature’s settings and capabilities.
Can a Wine Cooler Actually Keep Your Beverage Cold?
When enjoying nice meals outside, some people use wine coolers to keep their beverages cold. But can a wine cooler actually keep a bottle of wine chilled, and if so, for how long?
How to Model Supersonic Flows in COMSOL Multiphysics®
Learn about the different types of sonic flow and how to calculate the angle and Mach number of a shock wave in order to model the supersonic flow around an object, such as a diamond airfoil.
How to Create Electrostatics Models with Wires, Surfaces, and Solids
Here’s a guide to building models that combine wires, surfaces, and solids using the electrostatics features based on the boundary element method that are available with the AC/DC Module.
How to Create Graphs with Two Y-Axes in COMSOL Multiphysics®
Did you know that you can add a second y-axis to a 1D plot to include two scales of values in your simulation results? This blog post details how and also includes a video demonstration.
How to Model Generalized Plane Strain with COMSOL Multiphysics®
Learn how to use the generalized plane strain formulation in COMSOL Multiphysics® in order to model elongated structures that are free to extend in the out-of-plane direction.
Modeling Aeroacoustics with the Linearized Navier-Stokes Equations
Get a comprehensive introduction to aeroacoustics modeling, as well as the linearized Navier–Stokes equations and how to implement them in COMSOL Multiphysics®.
Introduction to Designing Microwave Circuits Using EM Simulation
When it comes to designing RF, microwave, and millimeter-wave circuits with electromagnetics simulation, the key is to start simple and gradually add complexity to your analyses.
Introduction to Modeling Surface Reactions in COMSOL Multiphysics®
Bioengineers and electrochemists will appreciate this detailed introduction to modeling surface reactions with the COMSOL® software.
How to Perform Various Rotor Analyses in the COMSOL® Software
Check out all of the different types of rotor analyses you can perform using the specialized features in the Rotordynamics Module, an add-on to COMSOL Multiphysics®.
Which Turbulence Model Should I Choose for My CFD Application?
Modeling turbulence in the COMSOL® software? Find out which turbulence model you should use, depending on your CFD modeling scenario.
How to Import an ECAD Geometry for Printed Circuit Board Design
We demonstrate how to import an ECAD geometry into COMSOL Multiphysics® for the design of a printed circuit board. The example features an actual PCB geometry from a company in the industry.
Creating a Model Geometry in COMSOL Multiphysics®
Learn how to create a geometry directly within COMSOL Multiphysics® using geometric primitives and geometry operations. Then, watch an introductory video series to see each step in detail.