Table 5: Welded beam problem: comparison of CS results with the literature.

Researcher(s)Methodh l t b CostNo. of evaluation

Coello [11]GA0.20883.42058.99750.21001.7483N.A.
Leite and Topping [12]GA0.24896.10978.24840.24852.40006273
Deb [13]GA0.24896.17308.17890.25332.4331320,080
Lemonge and Barbosa [14]GA0.24436.21178.30150.24432.3816320,000
Bernardino et al. [15]AISa-GA0.24446.21838.29120.24442.3812320,000
Atiqullah and Rao [16]SAb0.24716.14518.27210.24952.4148N.A.
Hedar and Fukushima [17]SA0.24446.21758.29150.24442.3810N.A.
Liu [18]SA-GA0.22311.581512.84680.22452.250026,466
Hwang and He [19]SA-DSc0.24446.21588.29390.24442.381156,243
Parsopoulos and Vrahatis [20]PSON.A.N.A.N.A.N.A.1.9220100,000
He et al. [21]PSO0.24446.21758.29150.24442.381030,000
Zhang et al. [22]EAd0.24436.22018.29400.24442.381628,897
Coello [23]EAN.A.N.A.N.A.N.A.1.8245N.A.
Lee and Geem [24]HSe0.24426.22318.29150.24432.381110,000
Mahdavi et al. [25]HS0.20573.47059.03660.20571.7248200,000
Fesanghary et al. [26]HS-SQP0.20573.47069.03680.20571.724890,000
Siddall [27]RAg0.24446.28198.29150.24442.3815N.A.
Akhtar et al. [28]SBMh0.24076.48518.23990.24972.442619,259
Ray and Liew [29]SCAi0.24446.23808.28860.24462.385433,095
Montes and Oca [30]BFOj0.25367.14107.10440.25362.3398N.A.
Zhang et al. [31]DEk0.24446.21758.29150.24442.381024,000
Gandomi et al. [32]FA0.20153.5629.04140.20571.731250,000
Present studyCCCS0.331210.00002.40950.34562.173025,000