Sequential Quadratic Programming Method of Cabin Optimization

The basic principle of sequential quadratic programming method and the concrete implementation steps in MATLAB are expounded. Sequential quadratic programming method is used for the cabin structure optimization. In the optimization, the minimal sizes of components stipulated by the rules are used as...

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Veröffentlicht in:Applied Mechanics and Materials Jg. 711; H. Mechanical Engineering, Materials Science and Civil Engineering; S. 96 - 99
Hauptverfasser: Li, Ming Ming, Song, Fang Zhen, Liu, Han, Song, Bo
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Zurich Trans Tech Publications Ltd 01.12.2014
Schlagworte:
Cabins
Equivalence
Mathematical analysis
Matlab
Optimization
Quadratic programming
Shear stress
Ships
Weight reduction
Frequency
Sequential Quadratic Programming Method
Optimization
Stress
ISBN:9783038353720, 3038353728
ISSN:1660-9336, 1662-7482, 1662-7482
Online-Zugang:Volltext
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Abstract The basic principle of sequential quadratic programming method and the concrete implementation steps in MATLAB are expounded. Sequential quadratic programming method is used for the cabin structure optimization. In the optimization, the minimal sizes of components stipulated by the rules are used as size constraints, the frequencies required by the rules are used as performance constraints and the minimum lightness of the ship are used as objective. Finite element analysis of the ship structure optimized is done and the results obtained show that both the maximum equivalent stress and the maximum shear stress meet the requirements and first three order frequencies of the cabin structure are also far away from the working frequency of propeller and host. The optimization reduces the weight of the cabin under the condition of meet the static characteristic and dynamic characteristic.
AbstractList The basic principle of sequential quadratic programming method and the concrete implementation steps in MATLAB are expounded. Sequential quadratic programming method is used for the cabin structure optimization. In the optimization, the minimal sizes of components stipulated by the rules are used as size constraints, the frequencies required by the rules are used as performance constraints and the minimum lightness of the ship are used as objective. Finite element analysis of the ship structure optimized is done and the results obtained show that both the maximum equivalent stress and the maximum shear stress meet the requirements and first three order frequencies of the cabin structure are also far away from the working frequency of propeller and host. The optimization reduces the weight of the cabin under the condition of meet the static characteristic and dynamic characteristic.
Author Liu, Han
Song, Bo
Song, Fang Zhen
Li, Ming Ming
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Cites_doi 10.1137/s0363012994261707
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Issue Mechanical Engineering, Materials Science and Civil Engineering
Keywords Frequency
Sequential Quadratic Programming Method
Optimization
Stress
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SubjectTerms Cabins
Equivalence
Mathematical analysis
Matlab
Optimization
Quadratic programming
Shear stress
Ships
Weight reduction
Title Sequential Quadratic Programming Method of Cabin Optimization
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