Every new, smaller technology node developed in the semiconductor field has its own challenges, and the 7nm node is no exception. Usually a smaller technology node decreases price per transistor, but the cost benefits usually obtained from the smaller geometry are not as significant as in previous node changes. In fact, the increased complexity of lithography masks has made the unit cost per transistor slightly higher for 7nm devices. To offset these higher costs, products using 7nm semiconductors need higher margins, larger sales volumes and significantly higher performance than previous nodes. Achieving these goals requires designers to overcome a number of technical challenges, making upfront engineering simulation even more important than ever.
Knights Racing is a Formula SAE team from the University of Central Florida. Formula SAE is an international competition in which students design and build a race car as well as manufacture the car’s components. During the competition, teams are not only assessed based on vehicle performance but in static events like a business case presentation and engineering design review. This year, our team participated in the Formula SAE Michigan competition located at Michigan International Speedway.
We continue to expand upon our best-in-class products and platform, and deliver on the Pervasive Engineering Simulation vision, with this week’s release of ANSYS 18.2. This latest release brings increased levels of accuracy, speed and ease-of-use — spurring more engineers to use simulation across every stage of the product lifecycle to design cutting-edge products more efficiently and economically.
More companies are turning to simulation to drive increasingly rapid and innovative product development and gain deeper insight into product design.
“Our customers rely on ANSYS engineering simulation technology to cut costs, limit late-stage design changes, and tame the toughest engineering challenges. This latest release continues to build upon the industry’s most accurate simulation portfolio, offering enhanced speed and accuracy – enabling more users, no matter their level of experience, to reduce development time and increase product quality.” said Mark Hindsbo, ANSYS vice president and general manager.
Highlights of the release include: Continue reading
Developing a luxury electric vehicle (EV) from scratch with a short deadline demands organization and access to the right technology to get the job done. Lucid Motors of Menlo Park, California, met the first challenge by putting all the engineers in one room so the structural and aerodynamics engineers would know what the battery, motor and power electronics engineers were doing, right from the start. This collaborative environment has helped them to design a unique automobile with more passenger space by reshaping the battery stack, while optimizing the electric motor, the cooling system, the aerodynamics and the battery life.
Tomorrow is Orville Wright’s birthday and we celebrate National Aviation Day and the incredible progress made in aviation in just over 100 years. It was December 1903 when Orville became the first pilot of an engine powered aircraft, staying aloft for 12 seconds and covering a distance of 120 ft. at 20 ft AGL. Five years later he was able to stay aloft for an entire hour, reaching an altitude of 350 ft.
Indeed, the Wright brothers are a great example for all those who want to innovate. Many pioneers lost their lives or were badly injured in their attempt to demonstrate their ideas, test new concepts and to tame phenomena they were still not able, sometimes very far, to understand and master. Continue reading
Today, after a video call with my kids at home, I feel more relaxed. Usually on long distance business travel, we are always concerned about the family at home. A few years ago long distance voice calls were not only costly but also of poor voice quality. Now, equipped with mobile phones, we can make high-quality audio/video calls and exchange text messages with people around the globe, at little or no cost.
It’s amazing to see the way communication technology has grown over the years. Technologies that seemed like fiction a few years ago, are now becoming reality. These include virtual reality, 3-D hologram and printing, language translation, and mobile streaming audio and video. Continue reading
Wi-Fi access today seems more like a right than a privilege. But easy access to Wi-Fi is not widespread in many countries, especially in out-of-the-way rural areas where structural design and building of Wi-Fi towers can be challenging. In the interior of Brazil, only 22 percent of the people have Wi-Fi due to the costs of installing towers and the economics of providing service to sparsely populated areas. But startup Jet Towers is trying to remedy this situation using ANSYS AIM for structural simulation to design prefabricated, modular truss towers that can be installed and running within a week of purchase, instead of the normal five weeks for custom designed Wi-Fi towers.
Every numerical method relies on the accurate choice of models, solver settings, and material parameters in order to be able to mimic real-world behavior. This also applies to Discrete Elements Method (DEM) simulations. You could use standard material properties, but adjusting those material interaction parameters using automated calibration methods is a key step for accurate simulations.
You could use standard material properties, but if you want to simulate reality, it is important to understand that the materials actually vary from site to site. Adjusting those material interaction parameters using automated calibration methods is a key step for accurate simulations. Even with basic materials, friction and restitution coefficients between particles and particles and boundaries have to be adjusted in order to accurately predict the bulk flow behavior. When extra forces come into play, such as adhesion forces, those additional parameters also need to be selected and properly specified. Continue reading
I’ve read a lot of articles talking about an interesting fact: this summer was so hot that in some cities like Phoenix aircraft could not fly. If you are an engineer or a pilot, it should not be a surprise that in hot weather an aircraft’s performance can deteriorate until the point it is unsafe to attempt take off. But maybe you have not considered all the possible causes of why it’s too hot to fly. I will try to explain things in a very basic and simplified way, for the benefit of those who are not familiar with these phenomena.
The journey of BiomeRenewables’ PowerConeTM wind turbine started with witnessing a falling maple seed. I was sitting on my deck when I was struck by how slowly the seed was able to fall. As it turns out, maple seeds — for their size — exhibit maximum aerodynamic efficiency; they are able to hit what is known as the Betz Limit — 59.3 percent aerodynamic efficiency. Careful analysis revealed that there is something about the seed’s shape and the way it interacts with the air that allows it to achieve such high efficiency numbers — namely, that it interacts with the oncoming flow at an angle greater than 90 degrees. This is not the case with modern wind turbines, which interact with the wind at perpendicular angles of 90 degrees. Continue reading