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Structural Weight Minimization on Problem 4 (18-node, 153-element 3D truss) 1000 run solutions
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1,694
Min Weight (N)
PSO
1,609.3
1,651.65
1,694
1,736.35
Jan 18, 2026
Min Weight (N)
Avg Weight (N)
Max Weight (N)
Std Dev Weight (N)
Success Rate (within 2% of Min)
Avg Obj Func Evals
Avg Effective Collaborations
Avg Runtime (sec)
Updated 5d ago
Evaluation Results
Method
Method
Links
Min Weight (N)
Avg Weight (N)
Max Weight (N)
Std Dev Weight (N)
Success Rate (within 2% of Min)
Avg Obj Func Evals
Avg Effective Collaborations
Avg Runtime (sec)
PSO
Population=2x10, Sourc...
2026.01
1,694
2,194.8
8,976.5
986.2
69.6
20,000
-
-
FA
Population=20, Source...
2026.01
1,694
1,751.1
3,738.9
239.4
93.8
189,910
1,950
179.4
SFA
Population=20, Source...
2026.01
1,694
1,774.1
5,756.8
313.3
92.5
31,018
1,930
30.1
SFA
Population=30, Source...
2026.01
1,694
1,707.3
2,910.5
114.2
98.6
62,663
2,763
61.1
SFA
Population=40, Source...
2026.01
1,694
1,695.8
2,442.3
33.6
99.7
104,774
3,643
102.1
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