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Precision Performance: The Pursuit of Perfect Measurement

Erling Olsen, Søren Andresen, Brüel & Kjær, Denmark

Brüel & Kjær, a manufacturer of transducers, microphones, and other instruments and software for sound and vibration analysis, uses numerical simulation to engineer their devices to be as accurate and precise as possible. Brüel & Kjær engineers develop condenser microphones with frequencies that range from infrasound to ultrasound, using simulation to investigate thermal stress and map resonance ...

From Spreadsheets to Multiphysics Applications, ABB Continues to Power Up the Transformer Industry

Mustafa Kavasoglu, Romain Haettel, and Anders Daneryd, ABB CRC, Västerås, Sweden

The buzzing sound you sometimes hear when walking past high-voltage transmission lines is caused by transformers used for regulating voltage levels. Standard performance and safety regulations require that the noise level be kept within a certain range. In this story, read about how a team of engineers at ABB CRC uses COMSOL Multiphysics® simulation software to evaluate the acoustic, ...

Optimizing the Performance of Complex Building Façades

Andrew Watts, Carmelo Galante, Fabio Micoli, Newtecnic, London, UK

Engineers at Newtecnic specialize in complex building design, working with bold and fluid architectural shapes. To meet the requirements for performance targets and structural integrity in these buildings, Newtecnic must evaluate the mechanical and thermal properties of the different components and determine how they respond to factors such as environmental effects, ventilation and insulation ...

Bringing Glucose Monitoring to New Levels Through Integrated Sensor Design

Harvey Buck, Roche Diagnostics Operations, Inc., Indianapolis, IN, USA

The test strips in glucose monitors, widely used by people with diabetes to maintain good health, are sensitive to chemical interferences and environmental conditions. The manufacturing process and electrode configuration of these strips also affects response accuracy. Researchers at Roche Diagnostics Operations, Inc. used multiphysics simulation to analyze the chemical reactions and voltage ...

Virtual Material Design in 3D Printing Makes Headway with Multiscale Modeling

Marco Barink, Erica Coenen, TNO, Netherlands

The advantages of anisotropic properties in 3D printing materials have been difficult to exploit for product design, limited by material manufacturing and production methods. However, additive manufacturing is opening doors to material fabrication, allowing engineers to virtually design varying material properties into a single product. At the Netherlands Organization for Applied Scientific ...

Optimizing 3D Printing Techniques with Simulation Apps

Borja Lazaro Toralles, MTC, Coventry, UK

3D printing has recently revolutionized manufacturing techniques, influencing countless industries and products. The Manufacturing Technology Centre (MTC), in Coventry, UK, is optimizing the 3D metal printing technique called shaped metal deposition (SMD) for industrial use. Unlike common additive manufacturing technologies, with SMD, a thin layer of molten metal is deposited layer by layer on a ...

Defending Automotive Components Against Corrosive Destruction

Daniel Höche, HZG, Germany; Nils Bösch, Daimler AG, Germany

Galvanic corrosion, which occurs when the surfaces of different adjoining metals begin to degrade, costs the automotive industry billions of dollars annually. The reactions of these different metal combinations is influenced by material properties, surface roughness, and joining techniques in the components. Researchers at Helmholtz-Zeentrum Geesthacht (HZG) and Daimler AG created COMSOL ...

Making Biofuel a Cost-Effective, Renewable Source of Energy

Peter Ciesielski, NREL, CO, USA

Pyrolysis is a pre-commercial thermochemical process that converts renewable, plant-based materials such as wood into liquid biofuels. To make pyrolysis a cost-effective method for biofuel conversion, researchers at the National Renewable Energy Laboratory (NREL) are using multiphysics simulation to better understand and optimize the process. Thus far, they have used COMSOL Multiphysics® to ...

Getting Touchy-Feely with Touchscreen Design

Peter Vavaroutsos, Andy Kiernan, Cypress Semiconductor, San Jose, CA

Every time we interact with a smartphone, MP3 device, or video screen in a car, we're relying on capacitive touchscreens to give us information, send messages, or play music. These screens consist of substrates, adhesives, transparent lenses, and indium-tin-oxide (ITO) electrodes that form the stack-ups used in this technology. Touchscreen design varies by application, so each stack-up is ...

The Thermal Management of Li-ion Battery Packs

Michele Gosso & Antonio Fiumara

Fiat Research Center, Orbassano, Italy

At the Fiat Research Center in Italy, Michele Gosso and Antonio Fiumara are working on the development of providing power for electric and hybrid vehicles. The team must combine individual lithium-ion battery pouch cells into battery packs to generate the 350V needed, while providing the packs with sufficient cooling. At the same time, they want to keep the packs as small and light as ...