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Exploiting Symmetry to Simplify Magnetic Field Modeling

July 14, 2014

Get an introduction to the types of symmetry boundary conditions that you can exploit in your EM models.

Using Cyclic Symmetry to Reduce Computation Time

March 17, 2014

Cyclic symmetry can be more complex for rotationally geometries than it can for axially symmetric geometries. Learn how to implement this feature to cut down on computational memory.

Modeling the Speed and Stealth of the Darkstar

March 28, 2024

What would the shock waves around the Darkstar really look like at Mach 7.5? How stealthy is this hypersonic jet? Here, we use modeling and simulation to find out.

How Should I Evaluate Singular Stress Fields?

March 21, 2024

Explore the properties of singular stress fields and see some possible approaches for evaluating them in COMSOL Multiphysics®.

New Course on Building Geometry in COMSOL Multiphysics®

January 29, 2024

Explore an overview of our Learning Center course on building both simple and complex geometries in COMSOL Multiphysics®.

Maximizing Eigenfrequencies with Shape and Topology Optimization

January 22, 2024

Mechanical resonance can cause fatigue problems in machines. See how to mitigate unwanted resonance with shape and topology optimization.

Shape and Topology Optimization of Step Thrust Bearings

December 19, 2023

Step thrust bearings support axial loads in rotating machinery. Learn how to maximize the load capacity of these bearings with shape and topology optimization.

Stress Minimization: A Heuristic Approach for Improving Fatigue Behavior

June 5, 2023

2 models, a bracket and wheel rim, demonstrate a gradient-based optimization method that enables stress minimization to be used heuristically to improve fatigue behavior.

Can COMSOL Multiphysics® Solve the Hydrogen Atom?

April 28, 2023

In this blog post, you’ll get an introduction to quantum mechanics and learn how to model the hydrogen atom.

Performing Topology Optimization with Milling Constraints

February 1, 2023

Milling constraints for topology optimization are now available in the Optimization Module as of COMSOL® version 6.1. We share 2 examples of this new feature in action here.

4 Examples of Fuel Cell Modeling in COMSOL Multiphysics®

January 10, 2023

To evaluate the many different aspects of fuel cell design, you can use the Fuel Cell & Electrolyzer Module. Explore 4 examples here…

Modeling the Pulsed Laser Heating of Semitransparent Materials

January 3, 2023

Laser light is often used to rapidly heat materials within the semiconductor processing industry. Here, we explore this method with heat transfer simulation.

Shape Optimization in Electromagnetics: Part 2

December 16, 2022

See 2 examples of how shape optimization can benefit the design of microwave and millimeter wave applications. Part 2 of a 2-part series.

Intro to Modeling Transient Heating of Solids in COMSOL Multiphysics®

December 12, 2022

Transient heat transfer models are easy to set up and solve, but the interpretation of their results can lead to confusion. Here, we explore this scenario with a simple heat transfer model.

Shape Optimization in Electromagnetics: Part 1

November 22, 2022

Learn how shape optimization can be used to improve the designs of wave optics applications. Part 1 of 2.

Using the Expression Operator in COMSOL Multiphysics®

November 17, 2022

What’s the difference between an expression operator and an analytic function? Find out in this blog post and see an example of an expression operator in action.

Losses in Three-Phase Transmission Lines

July 26, 2022

Explore how to model the losses in three copper wires in a linear and an equilateral arrangement.

Investigating the Penrose Unilluminable Room with Ray Optics

June 23, 2022

Is the Penrose unilluminable room really unilluminable? We investigate this question using the Ray Optics and Wave Optics modules…

Analyzing Thermal Distribution in a Li-Ion Battery Pack

May 11, 2022

Deviating from optimal operating temperatures in a Li-ion battery pack can cause performance losses or even failure. Learn how to optimize the power design to control the temperature distribution.

How Large of a Model Can You Solve with COMSOL®?

May 6, 2022

Ever wonder how large of a model you can solve in COMSOL Multiphysics®? It depends on memory requirements, model size, and the dimension of your finite element problem.

Electromagnetic Scattering in 2D Axisymmetric Models

April 12, 2022

You can save computational time and memory by performing electromagnetic scattering in 2D axisymmetric models rather than 3D. Learn more here.

Simulating MEMS Accelerometers and Gyroscopes Used in Inertial Measurement Units

March 24, 2022

Many autonomous vehicles rely on IMUs for navigation. Here, we show how the MEMS Module can help you model the gyroscopes and accelerometers used in IMUs.

Computing and Using Partial Inductance with COMSOL®

March 3, 2022

COMSOL Multiphysics® version 6.0 brings new functionality for computing total and partial inductances and AC resistances. Get an overview here.

Introduction to Modeling Evaporative Cooling

February 22, 2022

From meteorology to food processing, evaporation has many industrial and scientific applications. Here, we give an introduction to modeling evaporation with the Heat Transfer Module.

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