Now showing items 1501-1520 of 1535

    • Robustness in Geometric Computations* 

      Christoph M. Hoffmann (The American Society of Mechanical Engineers (ASME), 2001)
      Geometric computation software tends to be fragile and fails occasionally. This robustness problem is rooted in the difficulty of making unambiguous decisions about incidence and nonincidence, ...
    • Ontologies for Integrating Engineering Applications 

      Mihai Ciocoiu; Michael Gruninger; Dana S. Nau (The American Society of Mechanical Engineers (ASME), 2001)
      In all types of communication, the ability to share information is often hindered because the meaning of information can be drastically affected by the context in which it is viewed and ...
    • Predicting Product Aesthetic Quality Using Virtual Environments 

      Neal P. Juster; John Maxfield; Peter M. Dew; Stephen Taylor; Martin Fitchie; William J. Ion; Jeff Zhao; Martin Thompson (The American Society of Mechanical Engineers (ASME), 2001)
      This paper describes a previously unreported application of virtual environments, the prediction of product aesthetic quality. Successful prediction of aesthetic quality without the production of ...
    • D-Cubed’s Dimensional Constraint Manager 

      Christoph M. Hoffmann (The American Society of Mechanical Engineers (ASME), 2001)
      Early constraint solvers used propagation techniques that were inadequate for solving simultaneous constraint problems. Simultaneous problems, also called variational problems, require solving systems ...
    • A Haptic Assembly and Disassembly Simulation Environment and Associated Computational Load Optimization Techniques 

      Adam S. Coutee; Scott D. McDermott; Bert Bras (The American Society of Mechanical Engineers (ASME), 2001)
      There exist a large body of work in the field of assembly, sometimes involving the use of a virtual environment to assist the user in assembly analysis. Typically, these environments limit ...
    • Introduction to ISO 10303—the STEP Standard for Product Data Exchange 

      Michael J. Pratt (The American Society of Mechanical Engineers (ASME), 2001)
      Since 1984 the International Organization for Standardization (ISO) has been working on the development of a comprehensive standard for the electronic exchange of product data between computer-based ...
    • Identifying, Correcting, and Avoiding Errors in Computer-Aided Design Models Which Affect Interoperability 

      Hong Gu; Graduate Research Assistant; Douglas C. Cheney; Thomas “Tim” Bailey; Douglas Johnson; Thomas R. Chase (The American Society of Mechanical Engineers (ASME), 2001)
      Interoperability characterizes the ability of computer-aided design (CAD) models to accurately represent objects in concurrent engineering environments. The diagnostic set of available software for ...
    • Effectiveness of Haptic Sensation for the Evaluation of Virtual Prototypes 

      Sergei Volkov; Graduate Research Assistant; Judy M. Vance; Mechanical Engineering (The American Society of Mechanical Engineers (ASME), 2001)
      Virtual reality techniques provide a unique new way to interact with three-dimensional digital objects. Virtual prototyping refers to the use of virtual reality to obtain evaluations of designs ...
    • Motion Simulation With Working Model 2D and MSC.visualNastran 4D 

      Shih-Liang (Sid) Wang (The American Society of Mechanical Engineers (ASME), 2001)
      MSC.Software Corporation (MSC) 1 offers three motion simulation products: Interactive Physics® (referred to as IP in this paper), Working Model® 2D (referred to as WM2D), and MSC.visualNastran ...
    • Multiple-Sensor Planning and Information Integration for Automatic Coordinate Metrology 

      Tzung-Sz Shen; Assoc. Mem. ASME; Jianbing Huang; Assoc. Mem. ASME; Chia-Hsiang Menq (The American Society of Mechanical Engineers (ASME), 2001)
      Multiple-sensor integration of vision and touch probe sensors has been shown to be a feasible approach for rapid and high-precision coordinate acquisition [Shen, T. S., Huang, J., and Meng, C. ...
    • Multi-Direction Slicing for Layered Manufacturing 

      Prabhjot Singh; Debasish Dutta (The American Society of Mechanical Engineers (ASME), 2001)
      Parts made by Layered Manufacturing (LM) have a limited surface accuracy and their build time is often long due to the deposition of sacrificial support structure. However, LM machines with ...
    • The Role of Knowledge in Next-generation Product Development Systems 

      Simon Szykman; William C. Regli; Ram D. Sriram (The American Society of Mechanical Engineers (ASME), 2001)
      Information technology has played an increasingly important role in engineering product development. Its influence over the past decade has been accelerating and its impact in the coming decade ...
    • Virtual Prototyping and Motion Simulation with ADAMS 

      Zhe Li; Sridhar Kota (The American Society of Mechanical Engineers (ASME), 2001)
      ADAMS® is a commercially available virtual prototyping and motion simulation software, which allows the user to model a mechanical system, and mathematically simulate and visualize its 3D ...
    • Extension of the STEP Standard for Parametric CAD Models 

      Michael J. Pratt (The American Society of Mechanical Engineers (ASME), 2001)
      The first Technical Note in this series [1] introduced the international standard ISO 10303, informally known as STEP, and the second [2] dealt with some practical aspects of using the standard ...
    • Feature Based Shape Similarity Measurement for Retrieval of Mechanical Parts 

      Madhumati Ramesh; Derek Yip-Hoi; Debasish Dutta (The American Society of Mechanical Engineers (ASME), 2001)
      Exploiting shape similarities amongst parts for applications such as variant process planning is well known in the manufacturing industry. This particular application requires a mechanism for ...
    • Constructive Representation of Heterogeneous Objects 

      Ki-Hoon Shin; Debasish Dutta (The American Society of Mechanical Engineers (ASME), 2001)
      This paper proposes a constructive representation scheme for heterogeneous objects (or FGMs). In particular, this scheme focuses on the construction of complicated heterogeneous objects, guaranteeing ...
    • Construction of Fair Surfaces Over Irregular Meshes 

      Geir Westgaard; Horst Nowacki (The American Society of Mechanical Engineers (ASME), 2001)
      This paper describes the process of constructing a fair, open or closed C1 surface over a given irregular curve mesh. The input to the surface construction consists of point and/or curve data ...
    • Fitting Freeform Shape Patterns to Scanned 3D Objects 

      Joris S. M. Vergeest; Sander Spanjaard; Imre Horváth; Jos J. O. Jelier (The American Society of Mechanical Engineers (ASME), 2001)
      This paper describes a new approach to locate freeform shape patterns in measured point data and to fit their parameter values. The method is based on the direct matching of parameterized ...
    • STEP Services for Sharing Product Models 

      Martin Hardwick; David L. Spooner (The American Society of Mechanical Engineers (ASME), 2001)
      Collaboration between multiple organizations and companies is becoming commonplace for the design and manufacture of large, complex, mechanical systems. These systems include such things as airframes, ...
    • Virtual Web Plant: An Internet-Based Plant Engineering Information System 

      Peter Ebbesmeyer; Jürgen Gausemeier; Thomas Gruß; Holger Krumm; Thorsten Molt (The American Society of Mechanical Engineers (ASME), 2001)
      During the development of the European Pressurized Water Reactor Project (EPR)—an innovative design concept for a new type of pressurized water reactor—large amounts of up-to-date engineering data ...