Multi-objective sizing and topology optimization of truss structures using genetic programming based on a new adaptive mutant operator
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- @Article{assimi:NCaA,
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author = "Hirad Assimi and Ali Jamali and Nader Nariman-zadeh",
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title = "Multi-objective sizing and topology optimization of
truss structures using genetic programming based on a
new adaptive mutant operator",
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journal = "Neural Computing and Applications",
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year = "2019",
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volume = "31",
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number = "10",
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pages = "5729--5749",
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month = oct,
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keywords = "genetic algorithms, genetic programming,
Multi-objective optimization, Topology, Truss, Adaptive
mutant operator",
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ISSN = "0941-0643",
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URL = "http://link.springer.com/article/10.1007/s00521-018-3401-9",
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DOI = "doi:10.1007/s00521-018-3401-9",
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size = "21 pages",
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abstract = "Most real-world engineering problems deal with
multiple conflicting objectives simultaneously. In
order to address this issue in truss optimization, this
paper presents a multi-objective genetic programming
approach for sizing and topology optimization of
trusses. It aims to find the optimal cross-sectional
areas and connectivities between the nodes to achieve a
set of trade-off solutions to satisfy all the
optimization objective functions subjected to some
constraints such as kinematic stability, maximum
allowable stress in members and nodal deflections. It
also uses the variable-length representation of
potential solutions in the shape of computer programs
and evolves to the potential final set of solutions.
This approach also employs an adaptive mutant factor
besides the classical genetic operators to improve the
exploring capabilities of Genetic Programming in
structural optimization. The intrinsic features of
genetic programming help to identify redundant truss
members and nodes in the design space, while no
violation of constraints occurs. Our approach applied
to some numerical examples and found a better
non-dominated solution set in the most cases in
comparison with the competent methods available in the
literature.",
- }
Genetic Programming entries for
Hirad Assimi
Ali Jamali
Nader Nariman-Zadeh
Citations