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对于含空间梁单元的复杂结构,给出了同单参数模型不同统一处理途径:采用Duffin缩并公式形成截面多变参数与截面力学量的函数关系,运用分部与整体两级优化策略,并使用几何规划原算法的统一解法。数值算例表明本文方法的有效性。
For a complex structure with spatial beam elements, a unified processing approach for the same single parameter model is given: the Duffin shrinkage formula is used to form a functional relationship between cross-section variable parameters and cross-sectional mechanical quantities, and a two-level optimization strategy is applied, both Unified solution using the original algorithm of geometric programming. Numerical examples show the effectiveness of the proposed method.