提出一种基于模拟退火算法的高层建筑高度优化求解的方法.首先,将拟建建筑用地均匀分为若干小格,将这些小格向上拉伸为小柱,基于小柱与被遮挡窗口的位置关系,确定窗口累计日照时间;然后,基于窗口最小日照时间的约束,构建拟建建筑高度最大值的数学模型;最后,基于该数学模型,采用模拟退火算法求解拟建建筑最优高度.实验结果表明,本文方法的数学模型合理,能够准确获得被遮挡窗口的日照累计时间,并在该日照约束条件下,通过退火方式的多次扰动,快速求解拟建建筑高度的最优值.因此所提方法为建筑结构优化设计提供一种有效途径.
An optimization design approach to calculate building height based on simulated annealing method was proposed.Firstly,the building lands was divided evenly into several small grids,they were upwards stretched into small columns,and the total sunshine time was calculated according to the position relationship between the columns and window obscured.Then,the mathematical model of maximum building height based on minimum window sunshine time constraint was built.Finally,the building height was calculated based on the simulated annealing algorithm.Our experimental results demonstrate that the proposed method can accurately provide sunshine cumulative time under the constraints sunshine,and the maximum height was quickly obtained base on multiple disturbance of annealing mode.So the proposed method can provide an effective way for structure optimization design.
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