Multiobjective stacking sequence optimization for unsymmetric laminated plates under several empirical constraints
This study proposes a multiobjective stacking sequence optimization method for an unsymmetric laminated plate using for a torsion-box structure of an aircraft wing. The objective functions are to minimize the thermal warping occurred during molding process and the bending stiffness ratio that empiri...
| Main Authors: | , |
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| Format: | Article |
| Language: | Japanese |
| Published: |
The Japan Society of Mechanical Engineers
2021-07-01
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| Series: | Nihon Kikai Gakkai ronbunshu |
| Subjects: | |
| Online Access: | https://www.jstage.jst.go.jp/article/transjsme/87/900/87_21-00081/_pdf/-char/en |
| _version_ | 1811220770519515136 |
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| author | Kentaro HASHIWAKI Nozomu KOGISO |
| author_facet | Kentaro HASHIWAKI Nozomu KOGISO |
| author_sort | Kentaro HASHIWAKI |
| collection | DOAJ |
| description | This study proposes a multiobjective stacking sequence optimization method for an unsymmetric laminated plate using for a torsion-box structure of an aircraft wing. The objective functions are to minimize the thermal warping occurred during molding process and the bending stiffness ratio that empirically corresponds to the compression after impact strength. The constraints considered are a limited set of ply orientation angles, the allowable number of contiguous plies, and the allowable orientation angle difference between neighboring plies that empirically derived from several strength criteria as delamination, matrix crack and so on. Thus, the design problem is formulated as a combinatorial multiobjective optimization problem with several empirical constraints. To solve this problem, this study adopts a multiobjective genetic algorithm. To consider the empirical constraints on the genetic algorithm, new searching strategies that arrange mutation and gene repair strategy are proposed. Furthermore, lamination parameters and binary trees are introduced to improve searching performance. Through numerical examples, the performance and efficiency of the proposed method are demonstrated. Then, features of the obtained Pareto set are discussed for several design conditions with different thicknesses. |
| first_indexed | 2024-04-12T07:48:26Z |
| format | Article |
| id | doaj.art-fe3149181cc24ab9b01470718999a03b |
| institution | Directory Open Access Journal |
| issn | 2187-9761 |
| language | Japanese |
| last_indexed | 2024-04-12T07:48:26Z |
| publishDate | 2021-07-01 |
| publisher | The Japan Society of Mechanical Engineers |
| record_format | Article |
| series | Nihon Kikai Gakkai ronbunshu |
| spelling | doaj.art-fe3149181cc24ab9b01470718999a03b2022-12-22T03:41:40ZjpnThe Japan Society of Mechanical EngineersNihon Kikai Gakkai ronbunshu2187-97612021-07-018790021-0008121-0008110.1299/transjsme.21-00081transjsmeMultiobjective stacking sequence optimization for unsymmetric laminated plates under several empirical constraintsKentaro HASHIWAKI0Nozomu KOGISO1Department of Aerospace Engineering, Osaka Prefecture UniversityDepartment of Aerospace Engineering, Osaka Prefecture UniversityThis study proposes a multiobjective stacking sequence optimization method for an unsymmetric laminated plate using for a torsion-box structure of an aircraft wing. The objective functions are to minimize the thermal warping occurred during molding process and the bending stiffness ratio that empirically corresponds to the compression after impact strength. The constraints considered are a limited set of ply orientation angles, the allowable number of contiguous plies, and the allowable orientation angle difference between neighboring plies that empirically derived from several strength criteria as delamination, matrix crack and so on. Thus, the design problem is formulated as a combinatorial multiobjective optimization problem with several empirical constraints. To solve this problem, this study adopts a multiobjective genetic algorithm. To consider the empirical constraints on the genetic algorithm, new searching strategies that arrange mutation and gene repair strategy are proposed. Furthermore, lamination parameters and binary trees are introduced to improve searching performance. Through numerical examples, the performance and efficiency of the proposed method are demonstrated. Then, features of the obtained Pareto set are discussed for several design conditions with different thicknesses.https://www.jstage.jst.go.jp/article/transjsme/87/900/87_21-00081/_pdf/-char/enunsymmetric laminated platesempirical constraintsevolutionary multiobjective optimization methodlamination parametersrepair strategyadaptive mutationbinary tree |
| spellingShingle | Kentaro HASHIWAKI Nozomu KOGISO Multiobjective stacking sequence optimization for unsymmetric laminated plates under several empirical constraints Nihon Kikai Gakkai ronbunshu unsymmetric laminated plates empirical constraints evolutionary multiobjective optimization method lamination parameters repair strategy adaptive mutation binary tree |
| title | Multiobjective stacking sequence optimization for unsymmetric laminated plates under several empirical constraints |
| title_full | Multiobjective stacking sequence optimization for unsymmetric laminated plates under several empirical constraints |
| title_fullStr | Multiobjective stacking sequence optimization for unsymmetric laminated plates under several empirical constraints |
| title_full_unstemmed | Multiobjective stacking sequence optimization for unsymmetric laminated plates under several empirical constraints |
| title_short | Multiobjective stacking sequence optimization for unsymmetric laminated plates under several empirical constraints |
| title_sort | multiobjective stacking sequence optimization for unsymmetric laminated plates under several empirical constraints |
| topic | unsymmetric laminated plates empirical constraints evolutionary multiobjective optimization method lamination parameters repair strategy adaptive mutation binary tree |
| url | https://www.jstage.jst.go.jp/article/transjsme/87/900/87_21-00081/_pdf/-char/en |
| work_keys_str_mv | AT kentarohashiwaki multiobjectivestackingsequenceoptimizationforunsymmetriclaminatedplatesunderseveralempiricalconstraints AT nozomukogiso multiobjectivestackingsequenceoptimizationforunsymmetriclaminatedplatesunderseveralempiricalconstraints |