International Journal of Optimization in Civil Engineering
عنوان نشریه
Iran University of Science & Technology
Engineering & Technology
http://ijoce.iust.ac.ir
18
agent2
2228-7558
doi
en
jalali
1400
2
1
gregorian
2021
5
1
11
2
online
1
fulltext
en
SYMBIOTIC ORGANISMS SEARCH AND HARMONY SEARCH ALGORITHMS FOR DISCRETE OPTIMIZATION OF STRUCTURES
Applications
Applications
پژوهشي
Research
In this work, a new hybrid Symbiotic Organisms Search (SOS) algorithm introduced to design and optimize spatial and planar structures under structural constraints. The SOS algorithm is inspired by the interactive behavior between organisms to propagate in nature. But one of the disadvantages of the SOS algorithm is that due to its vast search space and a large number of organisms, it may trap in a local optimum. To fix this problem Harmony search (HS) algorithm, which has a high exploration and high exploitation, is applied as a complement to the SOS algorithm. The weight of the structures' elements is the objective function which minimized under displacement and stress constraints using finite element analysis. To prove the high capabilities of the new algorithm several spatial and planar benchmark truss structures, designed and optimized and the results have been compared with those of other researchers. The results show that the new algorithm has performed better in both exploitation and exploration than other meta-heuristic and mathematics methods.
discrete variables, symbiotic organisms search, harmony search, size optimization, structural optimization, truss structures, meta-heuristic algorithm.
177
194
http://ijoce.iust.ac.ir/browse.php?a_code=A-10-66-298&slc_lang=en&sid=1
S.
Talatahari
`180031947532846001726`

180031947532846001726
Yes
V.
Goodarzimehr
`180031947532846001727`

180031947532846001727
No
S.
Shojaee
`180031947532846001728`

180031947532846001728
No