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Geometric Kernel Design of the Web-Viewer for the PDM Based Assembly DMU

PDM기반 조립체 DMU를 위한 웹뷰어 형상커널의 설계

  • Published : 2007.02.01

Abstract

Demand for the use of 3D CAD DMU systems over the Internet environment has been increased. However, transmission of commercial 3D kernels has delayed the communication effectiveness due to the kernel size. Light weight CAD geometric kernel design methodology is required for rapid transmission in the distributed environment. In this paper, an assembly data structure suitable for the top-down and bottom-up assembly models has been constructed. Part features are stored without a hierarchy so that they are created and saved in no particular order. In particular, this paper proposes a new assembly representation model, called multi-level assembly representation (MAR), for the PDM based assembly DMU system. Since the geometric kernel retains assembly hierarchy and topological information, it is applied to the web-viewer for the PDM based DMU system. Effectiveness of the proposed geometric kernel is confirmed through various case studies.

Keywords

Assembly Design;Digital Mock-Up;Geometric Kernel;PDM(Product Data Management);Web-Viewer

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