Research Article

Prediction of Optimal Design and Deflection of Space Structures Using Neural Networks

Table 1

Summary of errors of RBF and GRNN in approximation of optimal designs.

Cross-sectional areaRBFGRNN
Max. errorMean of errorsMax. errorMean of errors

132.85013.90548.81821.6575
230.03488.795522.81855.2312
318.34934.115315.63062.8343
436.80095.507410.85152.7220
515.64413.593313.43252.4476
624.80602.49746.11030.9992
733.32499.214520.49114.9154
818.72656.193633.88924.7607
926.14235.669016.19633.6055
1029.78083.881410.62822.1702
1121.97473.523111.32002.3858
1229.35972.62332.68990.4795
1326.45726.411728.67684.1939
1423.74746.654937.51736.1356
1529.80915.763318.27073.5529
1632.87325.397517.52212.7931
1721.53893.753213.85892.4312
1829.66372.79914.48320.8361

Avr.26.77145.016616.28923.0185