当阈值达到阈值上限时优化设计结束，从而获得最终的加强筋的分布形式及其截面尺寸。

While the threshold value reaches its upper limit the optimization design is finished, thus the final distribution form and its sectional dimensions of the reinforced ribs were obtained.

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当阈值达到阈值上限时优化设计结束，从而获得最终的加强筋的分布形式及其截面尺寸。

While the threshold value reaches its upper limit the optimization design is finished, thus the final distribution form and its sectional dimensions of the reinforced ribs were obtained.

youdao