General Blog Posts
Introduction to Multiscale Modeling in High-Frequency Electromagnetics
Here’s an introduction to performing multiscale analyses of antennas and communication systems. Part 1 of a series on multiscale modeling in high-frequency electromagnetics.
Using the Help Tools in COMSOL Multiphysics® for Modeling Guidance
Within the COMSOL Multiphysics® software, you have access to Help tools to guide you along your modeling process, including the Help, Documentation, and Application Libraries windows.
Designing Inkjet Printheads for Precise Material Deposition
The design of an inkjet printhead nozzle is important in order for the device to have precise material deposition, whether it is used in a 2D or 3D printer.
Introduction to Modeling Natural Convection in COMSOL Multiphysics®
Electronics cooling, indoor climate systems, and environmental transport problems all rely on natural convection. Get an introduction to modeling this phenomenon in COMSOL Multiphysics®.
How to Run Simulations in Batch Mode from the Command Line
Your step-by-step guide to efficiently running COMSOL Multiphysics® simulations in Batch mode from the command line.
Study Contaminant Removal in Membrane Dialysis Devices with an App
We discuss treating renal failure with hemodialysis, analyzing contaminant concentration in a membrane dialysis device, and optimizing a membrane dialysis device with a numerical modeling app.
Multiphysics Simulation Is More Accessible with the Application Builder
Simulation experts can design user-friendly, specialized simulation apps with the Application Builder. Read what engineers and professors from around the world have to say about this tool here.
Generating Animations to Visualize Your Simulation Results
Why create animations from your COMSOL Multiphysics® simulation results? We share 4 reasons in this blog post.
Using the Domain Decomposition Solver for Thermoviscous Acoustics
Learn how to use the Domain Decomposition solver, a memory-efficient iterative algorithm with inherent parallelism on the geometric level, in COMSOL Multiphysics®.
How to Analyze Your SOLIDWORKS® Designs with an App
Combining the power of a CAD design tool with a simulation app in the same modeling environment enables the simulation to work with both in synchronicity. Learn how to do so here.
Using the Domain Decomposition Solver in COMSOL Multiphysics®
The Domain Decomposition solver is a memory-efficient iterative algorithm that works best for large modeling problems that can’t be solved with other direct or iterative methods.
Improve the Productivity and Safety of a Perforated Well with an App
Perforated wells offer a viable approach for recovering oil and gas trapped in reservoirs. See how apps can help speed up the design process of these devices…
Analyze the Hodgkin-Huxley Model with a Computational App
The Hodgkin-Huxley model is an advanced model for simulating action potential. We also go over how to use a computational app to streamline this type of analysis.
How to Use Acoustic Topology Optimization in Your Simulation Studies
Today, guest blogger René Christensen of GN Hearing discusses the importance of acoustic topology optimization and how to apply it in COMSOL Multiphysics. Topology optimization is a powerful tool that enables engineers to find optimal solutions to problems related to their applications. Here, we’ll take a closer look at topology optimization as it relates to acoustics and how we optimally distribute acoustic media to obtain a desired response. Several examples will further illustrate the potential of this optimization technique.
Introduction to Efficiently Modeling Antennas in COMSOL Multiphysics®
Here’s your guide to efficiently modeling antennas using COMSOL Multiphysics® and the RF Module. An anechoic chamber, which is used to characterize antenna performance, is used as an example.
How to Automate Winding Design in Electrical Machines with an App
Learn how to create selections in COMSOL Multiphysics® to streamline the analysis of a winding design for electrical machines, as well as how to automate the process with the Application Builder.
Understand the Dynamics of the FitzHugh-Nagumo Model with an App
In 1961, R. Fitzhugh and J. Nagumo proposed a model for emulating the current signal observed in a living organism’s excitable cells. This became known as the FitzHugh–Nagumo model.
Integrals with Moving Limits and Solving Integro-Differential Equations
Learn how to analyze spatial integrals over variable limits, whether they are prescribed explicitly or defined implicitly. (Part 2 of 2)
Guidelines for Equation-Based Modeling in Axisymmetric Components
Here’s your comprehensive guide to equation-based modeling for problems with cylindrical coordinates and axisymmetric components.
Improved Capabilities for Meshing with Tetrahedral Elements
In this blog post, we guide you through the process of generating a tetrahedral mesh for your COMSOL Multiphysics® models.
Efficiently Assign Materials in Your COMSOL Multiphysics® Model
Here, we go over 3 methods for efficiently assigning materials in your COMSOL Multiphysics® models. The included tutorial videos show step-by-step instructions for each related feature.
Improved Functionality and Tips for Importing STL and NASTRAN® Files
Learn how to import STL files originating from 3D scan sources and meshes in the NASTRAN® file format, as well as how to prepare them for analysis in COMSOL Multiphysics®.
Study the Design of a Polarizing Beam Splitter with an App
Creating a numerical modeling app offers you a more efficient approach to analyzing and optimizing the design of optical devices. See an example of a polarizing beam splitter design app here.
Minimize Your Model File Size with Storing Solution Techniques
Get a demonstration of some tools and techniques for storing selected output quantities in COMSOL Multiphysics®, as well as minimizing model file sizes and the time required to display data.
