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Invited Speakers

Yong Chen (June 23, 2014)
University of Southern California, USA
 
Abstract The benefits of using unique capabilities of 3D Printing / Additive Manufacturing (AM) such as unlimited geometric capability and heterogeneous material property for better design performance are significant while still mainly untapped. There is limited knowledge regarding the use of such capabilities in achieving improved design performance. Current computer-aided design (CAD) tools such as Pro-Engineer and SolidWorks are developed for traditional manufacturing processes, which pose severe limitations on the designed shapes and materials. Product designs with simple shape and limited material complexity, in another hand, limit the wider adoption of AM processes. In this talk, I will discusses some research issues on developing new CAD systems for additive manufacturing including topology and conceptual design, complex shape design, digital material design and designer interactions. The talk will conclude with remarks and thoughts on the emerging challenges and future research directions.
 
Biography Dr. Yong Chen is an associate professor in the Epstein Department of Industrial and Systems Engineering at University of Southern California (USC). He received his Ph.D. degree in Mechanical Engineering from Georgia Institute of Technology in 2001. Prior to joining USC in 2006, he was a senior engineer at 3D Systems Inc. Dr. Chenís research focuses on digital design and manufacturing, and related novel applications. He has published more than 75 publications in refereed journals and conferences. Among them, he received nine Best/Outstanding Paper Awards in major design and manufacturing journals and conferences. Other major awards he received include the National Science Foundation (NSF) Faculty Early Career Development (CAREER) Award and the Outstanding Young Manufacturing Engineer Award from the Society of Manufacturing Engineers (SME). Dr. Chen is an active member of the American Society of Mechanical Engineers, the Society of Manufacturing Engineers, and the Institute of Industrial Engineers.
 
Kunwoo Lee (June 24, 2014)
Seoul National University, KOREA
 
Abstract
In the middle of todayís severe competition in the market, designing a product that appeals better to customersí appetite is both significant and compelling. One convincing way that manufacturers come up with as a response to this unavoidable market trend is to achieve user-centeredness by designing products that are well-fitted, comfortable, and easy-to-use. To support this, considerable efforts in the field have been brought into the modeling of a digital human model, which can be utilized in CAD system for the integrated design and analysis of a product with the human user. Current discussions on this matter can be categorized into three categories: 1) how to model the external body shape; 2) how to model the internal (musculoskeletal) structure; and 3) how to integrate them together. In this keynote speech, current state-of-the-art technologies for these issues will be reviewed in detail especially in product design perspective. In addition, several interesting applications that can be benefited by introducing the digital human model to the CAD system are introduced as well.
 
Biography
Kunwoo Lee is a professor in the School of Mechanical and Aerospace Engineering at Seoul National University in Korea. He received his BS(1978) from Seoul National University, and MS(1981) and Ph.D.(1984) in mechanical engineering from MIT. He was previously an assistant professor in the Department of Mechanical & Industrial Engineering, University of Illinois at Urbana-Champaign, a visiting associate professor in the Department of Mechanical Engineering at MIT, and a visiting professor in the Department of Mechanical Engineering at Stanford University. He has been a vice president of the Society of CAD/CAM Engineers in Korea, member of the editorial board of "Robotics and Computer Integrated Manufacturing," and program committee chair of Solid Modeling Symposium. Currently, he is a Co-Editor in Chief of a leading international journal "Computer-Aided Design," a president of the Korean Society of Mechanical Engineers and the Dean of the College of Engineering at Seoul National University.
Shuming Gao (June 25, 2014)
Zhejiang University, CHINA
 
Abstract
Growing quantities of 3D CAD models are created and stored in industries. These existing models contain both explicit and implicit design knowledge. Enormous potential time and cost savings can be realized by retrieving and reusing existing 3D CAD embedded design knowledge so that a greater portion of total effort can be focused on new innovative complex product design. In this talk, I will briefly review the state-of-the-art of 3D CAD model retrieval and reuse, then present some research results of our CAD group, including multiresolutional retrieval of solid models based on DBMS, design reuse oriented partial retrieval of CAD models, flexible assembly retrieval for model reuse, and automated 3D CAD model adaptation.
 
Biography
Dr. Shuming Gao is a professor of the State Key Lab of CAD&CG and the School of Computer Science and Engineering, Zhejiang University. He received his Ph.D. degree from the Applied Mathematics Department of Zhejiang University in 1990, and was a visiting professor in the Design Automation Lab of Arizona State University and Fraunhofer-Institute for Production Systems and Design Technology (IPK) respectively in 2001 and 2006. He is also an adjunct professor of NUAA. His research interests include geometric modeling, feature based CAD/CAM, collaborative design, virtual prototyping, design reuse, engineering informatics, etc. He has published over 100 peer-reviewed journal and conference papers on these topics. Currently he serves as a Co-Editor in Chief of Journal of Computational Design and Engineering. He has served as an associate editor of ASME Trans. Of Journal of Computing and Information Science and Engineering, co-chair of ACDDE 2012 and 2013 PLM Workshops, a co-chair of program committee of International Conference on Manufacturing Automation 2010, and the chair of organization committee of IEEE CAD/Graphics 2009.
Jianmin Zheng (June 26, 2014)
Nanyang Technological University, SINGAPORE
 
Abstract
T-splines were introduced in 2003 as generalization of NURBS technology which allows the existence of T-junctions in the control grid, thus enabling local refinement. The local refinement feature endows T-splines with unique advantages over NURBS in geometry-based applications such as CAD, CAE and finite element computation. It has been shown that T-splines can solve many limitations inherent in existing NURBS based modeling. Commercial T-spline software produced by T-splines, Inc., such as T-spline Rhino plug-in, has achieved success in industry. Autodesk acquired T-splines, Inc., in 2011. In the area of isogeometric analysis, T-splines have also attracted a lot of attention. All these point to a promising future for T-splines as both CAD and analysis technologies. This talk will review the development of T-spline technology, discuss some features of T-splines, and analyze why T-splines are a suitable representation for CAD applications. Recent progress in T-splines and some research problems will also be presented.
 
Biography
Dr Jianmin Zheng is an associate professor in the School of Computer Engineering at Nanyang Technological University (NTU), Singapore. He received his BS and PhD from Zhejiang University, China in 1986 and 1992 respectively. Prior to joining NTU in 2003, he was a post-doc and a research staff at Brigham Young University, and a professor in mathematics at Zhejiang University. His research covers computer aided geometric design, computer graphics, computer aided design and manufacturing, visualization, simulation, and interactive digital media. He has published over 100 papers in international journals and conferences such as ACM SIGGRAPH, ACM Transactions on Graphics and computer aided geometric design. He is the conference co-chair of Geometric Modeling and Processing 2014 and has served on the program committee of several international conferences including ACM SIGGRAPH Asia 2008 and 2013. Currently, Dr Zheng is an associate editor of The Visual Computer.
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