Internet上大量的闲置资源可以用来协同解决复杂的注塑模优化设计问题,但是它们的分布性、异构性、动态性和自治性的本质特征,为建立网格平台带来了很大的困难.层次化构件化的设计方法能够降低开发难度,增强系统的可靠性和易维护性.本文建立了构件化的模具优化设计网格平台,并介绍了各个层次的主要功能及组成构件的相关实现技术.在此基础上,重点介绍了网格任务调度agent和优化设计任务分配模型.最后通过对一个算例的优化结果,说明了该平台的合理性和高效性.
There are massive idle resources on the Internet that can be employed by grid techniques for resolving complicated engineering design problems. However, to construct a practical grid platform is very difficult due to the characteristics of grid resource such as distributed, heterogeneous, and dynamic. Software component technology is an effective method for overcoming these difficulties. It can not only enhance the software productivity and the quality, but also make the system more extendable, robust and maintainable. A component-based Mold Design Grid (MDG) platform is presented, and some related techniques are introduced in this paper. The grid task scheduling and a grid-based evolutionary algorithm are discussed in detail. An application example for gate location optimization of injection mold has been performed on the MDG successfully by using an optimization agent. The results demonstrate that the MDG is suitable for engineering optimization design and has high computational efficiency.