Blog Posts Tagged Technical Content
2 Methods for Simulating Radiated Fields in COMSOL Multiphysics®
2 ways to model radiated fields: the Far-Field Domain node and the Electromagnetic Waves, Beam Envelopes interface. Part 2 of a series on multiscale modeling in high-frequency electromagnetics.
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.
How to Model an Anechoic Coating
Modeling an anechoic coating involves finding the smallest unit cell, truncating the geometry, and analyzing the wave diffration. The COMSOL® software includes predefined interfaces to do so.
How to Assign Fluid Pressure in CFD Simulations
What is the difference between relative and absolute pressure? Why does COMSOL Multiphysics® use relative pressure to solve CFD problems? Get answers here…
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.
How to Evaluate Gear Mesh Stiffness in a Multibody Dynamics Model
What is gear mesh stiffness? Why is it important to account for in a multibody dynamics model? How can it be simulated with COMSOL Multiphysics? Get answers here.
Can a Stiffness Be Negative?
Have you ever encountered an FEM formulation where the force does not monotonically increase with displacement? We discuss some examples of this behavior: negative stiffness.
