大规模协作CAD系统的设计

Basic Research on Scalability of Collaborative CAD Systems

协作CAD系统是支持多个用户协同工作的CAD系统。文中首先给出了一个基于语义共享的大规模协作CAD系统的共享语义的设计方案，然后在此基础上提出了对大规模的协作CAD系统的性能优化方法，包括细节层次的模型共享技术和共享运动模型的预测技术。

Collaborative CAD system is a CAD system supporting multi-user cooperation. This paperfirstly gives the design of the shared semantemes of a semantic-sharing based collaborative CAD system.Secondly, the optimization techniques of the performance of a larg -scale collaborative CAD system are presented, including the LOD model-sharing technique and prediction technique for sharing models in motion.Finally, implementation of the optimization techniques is given.