A new optimization algorithm based on the numerical simulation of sheet metal forming was presented to determine the optimum variable blank-holder force (VBHF). To ensure convergence,the trust region models management strategies are used to adjust the move limit of design spaces. Compared with the traditional gradient-based algorithm, this algorithm is more simple and accurate. Finally, the optimum results of rectangular box with different depth deep drawing were given to verify this algorithm.
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Large capacity router, high-speed link, load sharing technology, and route fast convergence are all key technologies to realize and ensure network expansibility.
大容量路由器、高速链路、负载分担技术、路由快速收敛都是实现和保证网络扩展性的关键技术。
These targets ensure not only stable economic conditions but also a DE GREe of convergence between participating member states which allows EMU to function smoothly.
这些目标不仅可以确保稳定的经济环境，同时也保证了加入欧元区国家间一定水平的融合程度，从而使得经济和货币联盟能够正常运作。
To ensure stability of the NNA, the convergence theorem of the NNA is presented and proved.
为保证该算法的稳定性，提出并证明了该算法的收敛定理。
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