机械产品协同设计同步效率提升策略研究

机械产品的同步协同设计由于面临基于网络的大型CAD或CAE设计界面实时共享的问题,因而存在网络传输能力和共享界面重绘效率两个瓶颈的限制,应用成果还比较少。采用两级缓存的中间处理层策略和图像三次样条插值技术,以克服以上难点。两级缓存的中间处理层策略是在网存和显存之间加入离散模块和插值模块,离散模块用以降低共享界面传输负载,插值模块用以提升共享界面重绘效率。由于网络传输负荷大幅度减小,数值计算都在本地计算机进行,并且,采用三次样条重绘界面具有光滑性和高效性,因而,传输效率和共享界面重绘效率都明显提高,从而显著提升了机械产品协同设计的同步效率。

TACTICS FOR IMPROVING THE REAL TIME CAPABILITY OF MECHANICAL PRODUCT SYNCHRONOUS COOPERATIVE DESIGN

Due to the problem of Web-based CAD/CAE ap-plications sharing in real time with which the mechanical product synchronous cooperative design is facing two difficulties of limited capability of net transmission and real time rendering rise in the area, thus the application results in the domain are scarce. The novel tactic of inserting middle layers comprising of the module of dispersing and module of image cubic-spline interpolation between the display buffer and net buffer is proposed to overcome the above difficulties. The module of dispersing is employed to decrease the charge of net transmission. The module of interpolation is employed to improve the efficiency of redrawing shared interface. Because the consumingcomputing is distributed to respective client ends to avoid the dissipative computing online, the reconstructed interfaces with cubic-spline interpolation is fast and smooth, the efficiency and real time capability of synchronous cooperative design are improved substantially.