Latest Posts
Dielectrophoretic Separation
Dielectrophoresis is a phenomenon in which an electric field is used to control the movement of electrically neutral particles. Learn about how to model this effect in both DC and AC fields.
Cloaking Advancements for Flexural Waves in Elastic Plates
A European research group discovered a theoretical framework to both overcome the limitations of cloaking and achieve exact cloaking for flexural waves in Kirchhoff–Love plates. Get details >>
Improving the Power of Optical Systems via Component Design
Adaptive optics are used to improve the power of optical systems — beyond the obstacles imposed by the optical medium. See examples and learn how to model adaptive optics systems.
Happy Birthday, André-Marie Ampère
André-Marie Ampère is recognized today as a founder of electrodynamics. Learn about the life and accomplishments of this French physicist and mathematician.
From Books to Technology: Pop-Up Fabrication Techniques
Fabricated “pop up” books aren’t just for kids: Researchers are using the same fabrication techniques to turn 2D micro- and nanostructures into extended 3D layouts.
How to Use COMSOL Multiphysics, a Tutorial Video
New to running simulations in COMSOL Multiphysics®? Get a preview of a step-by-step tutorial video that demonstrates how to set up and solve your first model.
Simulating Vibration and Noise in a Washing Machine
When designing a washing machine, you must account for a nonuniform distribution of clothing during operation. Simulation can be used to analyze vibration and noise in this household device.
Using General Extrusion Operators to Model Rotation
You can use the General Extrusion operators in COMSOL Multiphysics® to simulate rotating objects exposed to loads. A common real-world example of this is rotisserie-style foods.
Personal Thermal Management with Highly Insulating Clothing
Brr! Stanford University research suggests that by wearing highly insulating clothing, we can reduce or even eliminate the need for traditional heating systems! Read more >>
Magnetic Damping of a Vibrating Cantilever Beam
We discuss modeling a cantilever beam in a magnetic field. The beam has some structural excitation at the free end, which vibrates it at a constant frequency. Get details in this blog post.
Introducing Nonlinear Elastic Materials
Examples of nonlinear elastic material models: Ramberg-Osgood, Duncan-Chang, Hardin-Drnevich, Power law, and more. We discuss how to apply nonlinear elastic materials in your analyses.
Geometry Modeling in Simulation Apps
See how to use cumulative selections and geometry parts when creating simulation apps that can be used to model geometries based on parameterized CAD models.
Bringing Multiphysics into Architecture
From the Sydney Opera House in Australia to the Vdara® hotel in Las Vegas, we discuss the potential applications of simulation for architectural development and introduce LiveLink™ for Revit®.
Implementing the Weak Form in COMSOL Multiphysics
In Part 2 of our series on the weak form equations, we demonstrate how to implement and solve these equations numerically using COMSOL Multiphysics®.
Detecting Dark Matter Axions with a Microwave Cavity
The Axion Dark Matter eXperiment (ADMX) uses a microwave cavity in an attempt to detect dark matter axions. Learn more about this project and how simulation can be applied to it.
Computing View Factors with the Heat Transfer Module
Interested in computing geometrical view factors in COMSOL®? There are operators for postprocessing that correspond to the operators used to generate surface-to-surface equations. Learn more.
Analyzing Capacitive Touchscreens in Consumer Electronics
Most of us use multiple touchscreen devices throughout the day, from our smartphones to the ATM. Learn how to use electromagnetics modeling to study capacitive effects in these devices.
Biomechanical Model Evaluates Human Response to Vibrations
Take a look at a biomechanical model of the human body in a sitting posture, which can be used to analyze how vibrations (like those from a moving vehicle) affect different parts of the body.
New Piezoelectric Modeling Interface in COMSOL 5.0
As of version 5.0 of COMSOL Multiphysics®, there is a new interface for simulating piezoelectric devices; it has predefined features that make it easy to set up and run a piezoelectric model.
Visualizing Fluid Flow with Streamline Plots
As part of our blog series on postprocessing, we demonstrate the use of streamlines to visually describe fluid flow in your simulations. Learn how with an example of flow through a pipe elbow.
How to Obtain Fatigue Model Parameters
2 challenges when modeling fatigue: 1.) selecting a suitable fatigue model for your application and 2.) obtaining the material data for the selected model.
Ray Tracing in Monochromators and Spectrometers
Spectrometers are optical devices that measure some property of radiation as a function of its frequency, while monochromators transmit radiation of a specific frequency.
Maximum Evaluations on Parallel Sections
Postprocessing trick: You can evaluate and plot the maximum, minimum, average, or integration value of any variable at various parallel sections along the axial coordinate of your model.
Modeling a Surface Micromachined Accelerometer
There are plenty of MEMS manufacturing techniques, but surface micromachining is preferred because it can merge electronic components and freely moving mechanical parts onto one substrate.