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The Stakes are High; Time to up Your Game Modelling and Simulation of Cyber-physical Systems 5-minute read Sinothile Baloyi - February 22nd 2024 In 2006 Dr Helen Gill, then program manager of the United States National Science Foundation (USNSF) coined the term Cyber-physical Systems . Before that, we had Cybernetics, a term invented by mathematician Norbert Wiener. And before that we had the Greek word kybernan; to steer. So cyber-physical systems are, therefore, systems involving the steering of physical entities of some kind. A lot like you, with your nervous system forever in a feedback loop with the rest of your physiological systems, making endless decisions that translate into...more
Big Time Manager by The CAE Guy This is now what our two teenage daughters call me occasionally.Mostly in the context of when they think I am trying to get away with something. Such as: Oh, Dad thinks that since he’s a Big Time Manager now, he can do what he wants and not follow the rules. For teenagers, this happens relatively often as their “lens” on the world is decidedly different that most everyone else’s (a topic of many psychological dissertations and well outside this forum). That I am even referred to as a “Big Time Manager” by anyone is fairly ironic as I have never really seen myself as a manager but as a researcher. In a similar light, back when I was studying aeronautical engineering...more
Mind the Gap 6-minute read Sinothile Baloyi - April 21st 2023 In 1765 James Watt improved Thomas Newcomen’s steam engine, to such an extent that he often gets incorrectly credited with inventing the whole thing himself. How did he do this? Perhaps it was simply serendipity, or could his access at a young age to his father’s shipbuilding workshops - all those hours spent building models of cranes, barrel organs, etc, and becoming intimately acquainted with their mechanics- have given the future inventor the edge? Engineering methods have moved on a lot since then. Now when you hear the word ‘model’ you don’t necessarily picture this: Wooden model of crane, pulley attached. James Watt's...more
Systems Simulation: Far-off Future or Feasible Now? by Chad Jackson, President and Principal Analyst of Lifecycle Insights Move over multi-physics. There's now a different field that qualifies as the bleeding edge of technology in simulation: system simulation. Many organizations are just starting to broach this field in an effort to better understand how systems perform holistically. But what is it? Is it really feasible for practical use today? Let's dive in and discuss. Setting Baselines: Systems Engineering Terminology can be such a challenge. So before we go barreling off to talk about the questions above, let's set some baselines. To start, if you're unfamiliar with systems engineering,...more
The "What is..." series of flyers provide an introduction to a specific method or technology and are intended to be read by engineers and scientists with no significant expertise or prior knowledge of the topic that is being discussed. This guide to "What is Verification and Validation?" was produced by the NAFEMS Analysis Managment Working Group which has since been renamed as the NAFEMS Simulation Governance and Management Working Group ....more
This presentation was made at the NAFEMS Americas Seminar "Model-Based Engineering: What is it & How Will It Impact Engineering Simulation" held on the 1st of October 2019 in Columbus Ohio Resource Abstract Over the last few decades, advances in high-performance computing, new materials characterization methods, and, more recently, an emphasis on integrated computational materials engineering (ICME) and additive manufacturing have been a catalyst for multiscale modeling and simulation-based design of materials and structures in the aerospace industry. As a result, NASA’s Transformational Tools and Technology (TTT) Project sponsored a study (performed by a team led by Pratt & Whitney) to define...more
Why attend the NAFEMS World Congress? The NAFEMS World Congress 2017 , incorporating the 3rd International Conference on SPDM, will take place 11-14 June in Stockholm, Sweden. Featuring an unrivalled line-up of technical presentations, keynote speakers, workshops, training courses, and much more, this is one event you cannot afford to miss. But why should you attend? What questions will the Congress answer? How will you benefit from being a part of it? Download and explore the preliminary agenda here, and register today to secure your place at what promises to be the largest and most exciting World Congress yet. Learn how organisations are generating confidence in their simulation capability...more
The CFD interview by The CAE Guy Now that I have a few months to further settle in to the aero-thermal department manager role, I have had the chance to think more about expanding the role of Computational Fluid Dynamics within the department and potentially within the rest of the company as well. Our department certainly has an overall CFD strategy, but how that CFD strategy relates to the testing strategy within the entire development schedule could easily be re-thought. There is also the possibility of evaluating the always-developing software tools that we in the CAE community are well aware of. However, from my experience implementation of new (for the company, not newly developed) software...more
Abstract Electric vehicles are booming. There are plenty of engineering programs that are initiated each year. Engineering an electric vehicle requires advanced methods and tools. But it happens that these tools can barely exchange data between each others. Hence, understanding systems' interactions and boundary conditions can be complicated. It is however important to connect different engineering fields, different components and systems engineers, different domain specialist, to limit issues and errors happening at the interfaces. Creating, managing and maintaining a digital thread is a good way to safeguard what is happening at these interfaces and avoid communication issues. This paper...more
benchmark January 2010 Beyond the linear elastic range - discontinuous deformation analysis of concrete structure The beginning of a new decade – the start of a new year – the dawn of a new era. Well, ok, excuse the hyperbole, but best wishes to each and every one of you for 2010. At least we hope that it can’t be quite as bad as 2009... As we look back over the past 12 months and quickly decide to consign the year to the dustbin, it’s time to put our best foot forward into the New Year. As a Scotsman, Hogmanay (to give it its proper title) is usually the highlight of the holidays. As I’m writing this in mid-December however, I’m going to assume that as you read, my hangover has subsided (at...more
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