Optimum design model about composite foundation of composite piles is constructed which is under the dual control of bearing capacity and displacement by applying optimization theory.
运用最优化理论，建立了考虑承载力和沉降量两个控制条件的组合桩复合地基的最优设计模型。
Research results of this dissertation enrich theory of the uncertain optimization, expand application domain of PSO, and provide beneficial guides for applying PSO in complicated uncertain systems.
论文研究结果丰富了不确定优化理论，拓宽了微粒群优化算法的应用领域，为PSO在复杂不确定系统中的应用提供了有益的指导。
Applying optimization design technology and the reliability theory a reliability-optimum design method of variable load cylinder helix compression spring is presented.
利用优化设计和可靠性设计方法，提出变载荷圆柱螺旋压缩弹簧的可靠性优化设计方法。
Applying optimization design technology and the reliability theory a reliability-optimum design method of variable load cylinder helix compression spring is presented.
利用优化设计和可靠性设计方法，提出变载荷圆柱螺旋压缩弹簧的可靠性优化设计方法。
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