The Experts below are selected from a list of 37854 Experts worldwide ranked by ideXlab platform
Wang Ting - One of the best experts on this subject based on the ideXlab platform.
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Constraint Models Systems for Virtual Prototype Multibody Dynamics
Computer Simulation, 2006Co-Authors: Wang TingAbstract:Mechanical Virtual Prototype in concurrent engineering is an iterated and optimized process,in which product design and analysis are integrated.The paper proposes to extract physical properties on multibody dynamics from CAD when constructing mechanical Virtual Prototype based on component.The scheme of mapping semantic between CAD model and analysis model of multibody dynamics is realized based on Cartesian method of multibody dynamics in CAXA of 3-dimensional CAD.It analyzes how to extract coordination conversion of multibody dynamics constraint model in semantic of multibody dynamics model.It is proved that extracting physics properties on multibody dynamics from CAD is realizable.It can be used to construct the analysis model of multibody dynamics based on component and realize the development of mechanical Virtual Prototype.
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Research on Design Patterns Simulation Model in Virtual Prototype Multibody Dynamics
Computer Simulation, 2006Co-Authors: Wang TingAbstract:The solving model characteristic of mechanical multibody dynamics is analyzed in the paper,and the building of mechanical Virtual Prototype based on component is studied,At the same time,the building of solving simulation model of multibody dynamics in MVC design pattern is presented.Separating the solving logic from multibody dynamics model achieves the consistency of status of constraint and force element component in multibody dynamics system simulation.Configurations of component and simulation scheme in varies solving logics are optimized,thus making concurrent development and simulation convenient based on component.The result indicates that building mechanical Virtual Prototype in MVC simulation model of multibody dynamics based on component is feasible.
Jean-yves Fourquet - One of the best experts on this subject based on the ideXlab platform.
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Model structuring for Virtual Prototype re-design
Virtual and Physical Prototyping, 2010Co-Authors: Adel Sghaier, Nicolas Ladeveze, Jean-yves FourquetAbstract:The work developed in this paper is about methods and tools for Virtual reverse engineering. It aims at providing an additional level of structure for CAD data based on the detection and identification of surfaces composing a Virtual Prototype. A 3D identification is developed for recovering the Virtual Prototype's topological properties based on the comparison with basic surfaces. These methods are integrated to a Virtual reality platform as one of its modules. They provide a new level of structured data that may be used by many other functions of an interactive simulation platform. Here, the emphasis is on the surface recognition module in order to prepare Virtual Prototypes for re-design.
Xu Ming-heng - One of the best experts on this subject based on the ideXlab platform.
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Research on Multibody Dynamics Simulation Model Based on Virtual Prototype Implemented by Component
Computer Simulation, 2006Co-Authors: Xu Ming-hengAbstract:By analyzing solving model characteristic of mechanical multibody dynamics,building mechanical Virtual Prototype was studied based on component,at the same time,building solving simulation model of multibody dynamics in MVC design pattern was proposed.Separating solving logic from multibody dynamics model,the consistency of status of constraint and force element component was achieved in multibody dynamics system simulation.Configuration of component and simulation scheme in varies solving logic was optimized,and make it was made concurrent developing and simulation convenient based on component.Building mechanical Virtual Prototype in MVC simulation model of multibody dynamics based on component,solution presented is realizable.
He Jing - One of the best experts on this subject based on the ideXlab platform.
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Study on Virtual Prototype Environment for Military Navigation System
Computer Simulation, 2008Co-Authors: He JingAbstract:According to the requirement of military navigation system Virtual Prototype development,an idea of military navigation system Virtual Prototype environment was put forward.The architecture,implementation approach and realization of military navigation system Virtual Prototype based on this environment of this environment were discussed in detail.The implementation of military navigation system Virtual Prototype environment could provide digital environment for research, developing and usage military navigation system.It is of great application foreground.
Terrence Fernando - One of the best experts on this subject based on the ideXlab platform.
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an efficient parallel collision detection algorithm for Virtual Prototype environments
International Conference on Parallel and Distributed Systems, 2004Co-Authors: Mauro Figueiredo, Terrence FernandoAbstract:The automatic recognition of geometric constraints in Virtual assembly and maintenance operations relies in the determination of intersecting surfaces between Virtual Prototypes. This is a key challenge in many Virtual Prototype applications, where it is necessary to find collisions precisely and interactively. This paper presents an algorithm to determine intersecting surfaces at interactive speed in a Virtual prototyping environment. The proposed algorithm is based on the overlapping axis-aligned bounding box (OAABB). The OAABB concept is used effectively to eliminate the number of surfaces that cannot intersect and improve performance. The algorithm also facilitates the implementation using parallel computing methods. OpenMP is used, taking advantage of shared memory multiple processors and reducing the overall time complexity of the collision detection algorithm. To achieve an efficient parallel simulation, it is necessary to provide an efficient load balancing scheme. Our experiences in parallelising the code to achieve a better work distribution are also described. Results show that the proposed collision detection achieves interactive rates in real industrial applications as desired.
