Brianne Costa | October 22, 2015
Clinton Davisson is an American physicist best known for his discovery of electron diffraction through the Davisson-Germer experiment. His findings brought about important developments in the field of quantum mechanics. On this day, which would have been his birthday, we celebrate Davisson’s storied history and many contributions to science.
Caty Fairclough | October 21, 2015
Wireless power transfer involves the transfer of power between a transmitting and a receiving unit and is used to wirelessly charge electronics like mobile phones and electric cars. While wireless power transfer offers many benefits, there are some challenges that this technology encounters. This is where simulation comes in handy. For instance, some WPT technologies must be oriented in a certain way to ensure proper performance. Today, we’ll analyze the impact of orientation on the functionality of two WPT antennas.
Caty Fairclough | October 19, 2015
Fabio Bocchi | October 14, 2015
As a technical support engineer, one of the most common technical questions I receive is: “How can I compute the mass conservation of a fluid flow simulation or the energy balance of a conjugate heat transfer simulation?” This is often requested to investigate and ensure a simulation’s accuracy. Here, I will demonstrate how to perform these calculations in COMSOL Multiphysics and introduce some of the predefined variables available for postprocessing the energy rate terms of the energy balance equation.
Bridget Cunningham | October 12, 2015
Arteries are designed to carry blood containing oxygen and nutrients from the heart to other areas of the body. Studying this biological soft tissue from a mechanical standpoint requires a reliable model that can fully describe the arteries’ anisotropic nonlinear response. Our tutorial of arterial wall mechanics illustrates such a design.
Brianne Costa | October 7, 2015
While the offshore oil industry is usually very profitable, it can also be unpredictable, and at times, dangerous. Corrosion in steel oil platforms can lead to damage and failure of the structure, loss of business, and even on-site accidents. Fortunately, there are various ways to investigate and prevent corrosion in these structures to ensure a safe and productive drilling operation.
Chien Liu | October 20, 2015
The shortest route between two points isn’t necessarily a straight line. If by shortest route, we mean the route that takes the least amount of time to travel from point A to point B, and the two points are at different elevations, then due to gravity, the shortest route is the brachistochrone curve. In this blog post, we demonstrate how to use built-in mathematical expressions and the Optimization Module in COMSOL Multiphysics to solve for the brachistochrone curve.
Caty Fairclough | October 15, 2015
On the last day of the COMSOL Conference 2015 Boston, attendees gathered together to celebrate the recipients of the Best Paper and Poster awards. The awards were given to winners with projects covering many different subject areas, ranging from food science and electronic devices to plasma research and IED detection. Here, we’ll share more information about their innovative work.
Alon Grinenko | October 13, 2015
Chandan Kumar | October 8, 2015
MEMS resonators are microelectromechanical systems primarily used as sensor elements, filters, and frequency elements. Two common actuation methods for MEMS resonators are piezoelectric actuation and electrostatic actuation. In this blog post, we will discuss the modeling of electrostatically actuated MEMS resonators. When modeling such resonators, you will often come across terms such as equilibrium point, pull-in, pull-in voltage, and time harmonic response of a biased resonator. We will explain these phenomena using a simple representation of an actuator.
Nirmal Paudel | October 6, 2015
The Rotating Machinery, Magnetic physics interface available in the AC/DC Module is used to model rotating machines such as motors or generators. When modeling the linear or tubular device with the Magnetic Fields and the Moving Mesh physics interfaces, it is appropriate to use a customized linear periodic boundary condition. In this blog post, we will explore how to customize the linear periodic boundary condition and model the tubular generator that is used for wave energy.