Mechanical Engineering Seminars
Unleash Your Engineering Potential with Cutting-Edge Technologies from Siemens Digital Industries Software!
Wednesday, April 10 @ 3:00 – 5:00 p.m.
3110 Etcheverry Hall
Matt Bruce, with various Siemens Specialists
Free Food Provided
Abstract: For more than a decade, Siemens Digital Industries Software (DISW), has been actively involved in advancing the fields of digital twin technology, the industrial metaverse and industry 4.0. In this fast-paced digital age, companies worldwide are undergoing transformative shifts driven by these technologies. Siemens DISW, a business unit of Siemens AG, maintains its position at the forefront of this revolution, empowering some of the most recognizable companies in industry with its suite of powerful product lifecycle management solutions. Specializing in both mechanical and electrical engineering, Siemens’ Xcelerator Portfolio of products provides tools that elevates efficiency, precision and innovation to new heights.
Take advantage of this opportunity to learn about these select tools and elevate your engineering prowess, broaden your skill set and chart a course toward future success. Whether you’re an aspiring engineer or a seasoned academic, this technology showcase promises insights that can help shape your academic and professional journey.
The tools are flexible and widely available to undergraduate, masters and PhD students. We warmly welcome you to attend.
Hosted by: Professor Tarek Zohdi, 6117 Etcheverry Hall, zohdi@berkeley.edu
Multimaterial Additive Manufacturing for Shape Morphing Structures and 4D Printing
Thursday, April 11 @ 2:00 p.m.
Northgate 105
Professor H. Jerry Qi – The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology
Abstract: 3D printing (additive manufacturing, AM) where materials are deposited in a layer-by-layer manner to form a 3D solid has seen significant advances in the recent decades. 3D printing has the advantage in creating a part with complex geometry from a digit file, making them an idea candidate for making architected materials. Multimaterial 3D printing is an emerging field in recent years in additive manufacturing. It offers the advantage of placement of materials with different properties in the 3D space with high resolution, or controllable heterogeneity. In this talk, we present our recent progress in developing multimaterial additive manufacturing methods. In the first approach, we present a new development where we integrate two AM methods, direct-ink-write (DIW) and digit light processing (DLP) into one system. In this system, the DLP can be used to print complex bulk parts while DIW can be used to print functional inks. In the second approach, we recently developed a grayscale DLP (g-DLP) 3D printing method where we can print a part with gradient material properties. We further explore on how to use multimaterial 3D printing to fabricate shape morphing structures, including direct 4D printing of 2D lattice structures, lattice structures with changing shape driven by liquid crystal elastomers, and 3D lattice structures by gradient materials.
Biography: Dr. H. Jerry Qi is a professor in the School of Mechanical Engineering at Georgia Institute of Technology and is the site director of NSF IUCRC on Science of Heterogeneous Additive Printing of 3D Materials (SHAP3D). He received his undergraduate and graduate degrees from Tsinghua University and a ScD degree from MIT. After one-year postdoc at MIT, he joined University of Colorado Boulder as an assistant professor and moved to Georgia Tech in 2014. Prof. Qi’s research is in the broad field of nonlinear mechanics of polymeric materials and focuses on developing fundamental understanding of multi-field properties of soft active materials through experimentation and constitutive modeling then applying these understandings to application designs. He and his collaborators have been working on a range of soft active materials, including shape memory polymers, shape memory elastomeric composites, light activated polymers, covalent adaptable network polymers, for their interesting behaviors such as shape memory, light actuation, healing, reprocessing, and recycling. In recent years, he has been working on integrating active materials with 3D printing. He and his collaborators pioneered the 4D printing concept. He is a recipient of NSF CAREER award (2007), Sigma Xi Best Faculty Paper Award (2018), Gerhard Kanig Lecture by the Berlin-Brandenburg Association for Polymer Research (2019), and the James R. Rice Medal from Society of Engineering Science (2023). He was elected to an ASME Fellow in 2015.
Hosted by: Assistant Professor Grace X. Gu, 6177 Etcheverry Hall, 510-643-4996, ggu@berkeley.edu
Automotive Computer Control Systems: A Retrospective on the Past 40+ Years
Friday, April 19 @ 11:00 a.m.
3110 Etcheverry Hall
Dr. Davor Hrovat – Retired Ford Technical Fellow; Adjunct Distinguished Professor, UCSD
Controls Seminar Series
Abstract: In this seminar talk based on my 2023 Oldenburger lecture I will try to survey developments in automotive computer control systems during the past four decades, which incidentally and fortuitously coincided with my career in this exciting and challenging field. Starting in the late 70s and early 80s with just dozens or at most hundreds of lines of assembly code, the field saw exponential growth so that by the time I retired in 2015 typical cars had dozens of processors with hundreds of thousands if not millions of lines of C code and similar constructs.
During the talk, I will intertwine my personal experiences with some general facts, many of them focused around Ford, a company where I spent most of my career. As time permits, I will also venture some personal observations about present and future related developments and major trends, such as EVs, AVs and other Vs, for example.
Biography: Dr. Davor Hrovat received his Dipl. Ing. degree in Mechanical Engineering from the University of Zagreb in 1972, and his M.S. and Ph.D. degrees in Mechanical Engineering from the University of California, Davis in 1976 and 1979, respectively. From 1981-2015, he was with the Ford Motor Company where he conducted and led R&D efforts on various aspects of chassis, power train and overall vehicle control. He holds more than 110 US patents and is the author/co-author of more than 200 technical papers and proprietary reports. Many of his patents have been used in production to improve efficiency, performance, comfort and safety of millions of vehicles. In 2006 he was appointed the first Henry Ford Technical Fellow in the area of Controls. This is the highest technical recognition in the Company. In addition, Dr. Hrovat is a Fellow of ASME, IEEE, and IFAC, and a member of the National Academy of Engineering.
Hosted by: Professor Roberto Horowitz, 5100A Etcheverry Hall, horowitz@berkeley.edu