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Electrical Blog Posts

Modeling a Pacemaker Electrode in COMSOL Multiphysics®

March 19, 2020

What happens when the heart doesn’t pump the way it should? Pacemakers maintain the heart rate by monitoring natural electrical signals. Pacemaker electrodes are a key part of these devices.

How to Perform Lens Simulations Using the Wave Optics Module

February 19, 2020

Lens simulations in wave optics can be difficult to perform, as they usually require a lot of mesh elements. Learn how to sidestep this issue using the functionality of the Wave Optics Module.

Developing a Silicon MEMS Chip for On-Demand DNA Synthesis

January 21, 2020

The development of genome editing tools like CRISPR-Cas9 has increased the demand for DNA synthesis technology. Researchers are creating a DNA synthesis platform to broaden horizons in the field.

Which Study Type Should I Use for My Electrothermal Analysis?

January 13, 2020

What’s the best interface to use when implementing electrothermal analyses in COMSOL Multiphysics? We go over the interfaces, study types, and multiphysics couplings for high and low frequencies.

What Is the Curl Element (and Why Is It Used)?

December 30, 2019

When solving some electromagnetics problems, the curl element (also called the edge element or vector element) can be used in the finite element method.

Modeling of NDT Methods Using COMSOL Multiphysics®

December 17, 2019

Active thermography, active ultrasonic, guided waves, acoustic emissions, and eddy current testing: 5 examples of how nondestructive testing (NDT) methods can benefit from multiphysics modeling.

Three Semiconductor Device Models Using the Density-Gradient Theory

December 2, 2019

You can use the density-gradient theory to model semiconductor devices. Here are 3 examples: a Si inversion layer, Si nanowire MOSFET, and InSb p-channel FET.

Intro to Density-Gradient Theory for Semiconductor Device Simulation

November 27, 2019

The density-gradient theory is a computationally efficient way to include quantum confinement in the conventional drift-diffusion formulation commonly used for simulating semiconductor devices.


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