Blog Posts Tagged Technical Content

Using Radial Basis Functions for Surface Interpolation
Did you know that you can easily calculate the interpolation between a set of points using a simulation app? Learn more here and download a demo app for design inspiration.

Modeling Coils in the AC/DC Module
A key concept when it comes to coil modeling is closing the current loop. Learn how to do so when modeling coils using the AC/DC Module and COMSOL Multiphysics®.

Generate Models from Text Files with the Application Builder
Ever wish you could automate your model preprocessing tasks? In this blog post, we demonstrate how you can use the Application Builder to quickly convert a text input file into a COMSOL model.

Studying Transient Heat Transfer in a Fin Design with an App
A guest blogger and author presents a simulation app that he designed to study transient heat transfer in a nonprismatic fin.

Control Current and Voltage Sources with the AC/DC Module
Did you know that you can use the Terminal boundary condition to dynamically switch between excitation types during a transient simulation? This is useful for modeling power supply, for example.

Multiphysics Simulation Provides Accurate Muffler Designs
A guest blogger from Lightness by Design, a COMSOL Certified Consultant, shares how multiphysics simulation provides accurate results when designing automotive mufflers.

Streamlining Capacitive Touchscreen Design with Apps
In this comprehensive blog post, we discuss the different design considerations for capacitive touchscreens and how simulation apps can be used to streamline their design workflow.

Keeping Track of Element Order in Multiphysics Models
Whenever you are building a finite element model in COMSOL Multiphysics®, it is important that you are aware of the element order that is being used. We demonstrate how to do so here.

Guidelines for Modeling Rotating Machines in 3D
Learn how to use the Rotating Machinery, Magnetic interface in COMSOL Multiphysics® to model a 3D generator, and then compare our results with an analogous 2D model. Part 2 of 2.

The Boundary Element Method Simplifies Corrosion Simulation
The boundary element method can be used when simulating corrosion to avoid needing a finite element mesh to resolve the whole 3D structure, saving time for large problems with slender components.

Simulation Improves Range of Motion in Piezoelectric Actuators
We highlight 1.) some of the fundamental elements of piezoelectric theory and basic simulations and 2.) a novel design for improving the range of motion for piezoelectric actuators.

Modeling Phononic Band Gap Materials and Structures
A guest blogger from Veryst Engineering, a COMSOL Certified Consultant, shares simulation research designed to optimize band gaps for phononic crystals.

Model Cables and Transmission Lines in COMSOL Multiphysics
Learn how to compute the parameters of a coaxial cable from a COMSOL Multiphysics® simulation of the electromagnetic fields.

Reaching New Heights in Pole Vaulting: A Multibody Analysis
We perform a multibody dynamics analysis of the different phases of pole vaulting using COMSOL Multiphysics®.

Using Annotation Plots in Your 2D and 3D Plot Groups
You can label the plots of your simulation results with names, comments, and values of quantities evaluated at specified locations. How? By adding annotation plots!

Piezoelectric Materials: Applying the Standards
Learn how to set up the orientation of a piezoelectric crystal, specifically an AT cut quartz plate, within both the IRE 1949 standard and the IEEE 1978 standard.

Free Surface Computations in Mixers and Rotating Machinery
Learn different approaches for performing free surface computations in mixers and rotating machinery using COMSOL Multiphysics® and the add-on CFD Module and Mixer Module.

Analyze the Spread of Epidemic Diseases with Simulation
Did you know that public health officials use mathematical modeling techniques to study the flu and other infectious diseases to predict their spread and make informed decisions?

Study Radiofrequency Tissue Ablation Using Simulation
Killing cancerous cells, shrinking collagen, alleviating pain. These are just some of the medical purposes of radiofrequency tissue ablation, a procedure that relies on targeted heat.

Protein Adsorption: Batch and Space-Dependent Modeling
We take you step by step through developing a detailed protein adsorption reactor model. We start with a simple, perfectly mixed batch reactor and move onto space-dependent modeling.

Optimize NACA Airfoil Designs with a Simulation App
You can design a simulation app to accurately compute lift and drag forces and optimize any airfoil following the NACA naming convention. Learn more and see an example demo app.

Analyze Thin Structures Using Up and Down Operators
Modeling complex geometries with thin structures can be very costly in terms of computational effort. Up and down operators are a way to efficiently and accurately compute these models.

Model Magnetic Materials in the Frequency Domain with an App
Easily convert B-H or H-B curves into effective B-H or H-B curves using the Effective Nonlinear Magnetic Curves Calculator simulation app.

Using the Application Builder to Create a Koch Snowflake
The Koch snowflake is a well-known fractal, notable due to its simple, iterative construction process. Learn how to easily build this shape with the Application Builder in COMSOL Multiphysics®.