Research / 2020 / Article / Tab 8

Research Article

Nonlinear Optimization of Orthotropic Steel Deck System Based on Response Surface Methodology

Table 8

Comparison of optimized results by different algorithms.

AlgorithmInitial valueIteration timesOptimized parameter combinationOptimized results (kg/m2)

Interior-point97(12,6,18,3200,20,8134,36,17000)327.1
Interior-point80(12,6,18,3200,20,8134,36,17000)327.1
Interior-point48(12,6,18,3200,20,8134,36,17000)327.1
sqp46(12,6,18,3200,20,8134,36,17000)327.1
sqp39(12,6,18,3200,20,8134,36,17000)327.1
sqp8(12,6,16,3200,40,17000,30,17000)355.5
Active-set34(12,6,18,3200,20,8134,36,17000)327.1
Active-set88(12,6,18,3200,34,8366,29,12880)344.7
Active-set9(12,6,16,3200,40,17000,30,17000)355.5