Here presented a new multilevel optimization procedure for minimum weight design of composite structure.

本文提出复合材料结构优化设计的一种新的多级优化设计方法。

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The subgradient set, optimization and procedure are constructed. In particular, a new deletion rule is suggested to reduce the amount of information to be stored during the computation procedure.

文中给出了最优性条件、次梯度集合的构造方法及算法的迭代程序，提出了新的删除定理，可以减少迭代过程所储存的次梯度的信息量。

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