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Blog Posts Tagged Technical Content

Voltage and Ground When Modeling Wave-Like EM Fields

June 17, 2021

We continue our discussion of voltage and ground by defining and interpreting these terms for sinusoidally time-varying electromagnetics models.

Do Voltage and Ground Exist?

June 15, 2021

Remember how the terms “voltage” and “ground” were taught in your university electrical engineering classes? Get a precise definition (in terms of modeling computational EM problems) here.

How to Compute Residence Time in Flow Models with COMSOL®

June 1, 2021

You can compute residence time in flow problems using the Particle Tracing Module. Get the details in this blog post.

What Is the Difference Between Plane Stress and Plane Strain?

May 20, 2021

We go over the formulations and constitutive models that you can use to study plane stress, plane strain, and generalized plane strain in your solid mechanics problems.

Efficient Meshing Strategies for 3D Inductive Heating Models

May 11, 2021

Interested in some efficient meshing strategies for 3D inductive heating models? In this blog post, we demonstrate how to partition a mesh based upon the element type.

How to Model Polarization Rotation Along a Waveguide

April 29, 2021

Interested in modeling photonic waveguiding structures? Learn some efficient techniques for devices with multiple supported waveguide modes and identical waveguide cross sections.

Add a Full State-Space Feedback Controller to a Control System Model

March 23, 2021

Get a brief overview of full state feedback, learn how to use the State-Space Controller add-in, and get a demonstration of implementing the add-in using a mass-spring-damper system example.

Combining Adaptive Mesh Refinement with Data Filtering

March 19, 2021

In a follow-up to our previous blog post on data filtering, we demonstrate how to implement adaptive mesh refinement and a Helmholtz filter for a thermal model with a nonuniform heat load.

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