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A Study on the Effect of External Loading for the Composite Material Layup of a Large Wind Turbine Blade Based on a Pattern Search Algorithm.

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Title: A Study on the Effect of External Loading for the Composite Material Layup of a Large Wind Turbine Blade Based on a Pattern Search Algorithm.
Authors: Zhuang, Xuyang1 (AUTHOR), Lu, Wei2 (AUTHOR), Zhang, Kai1,3 (AUTHOR), Cao, Guangchuan1,3 (AUTHOR), Meng, Hang2,3 (AUTHOR) windsimu@163.com
Source: Energies (19961073). Apr2026, Vol. 19 Issue 7, p1733. 14p.
Subject Terms: *Wind turbine blades, *Structural optimization, *Wind turbines, *Mechanical loads, *Laminated materials, *Thin-walled structures, *Optimization algorithms
Abstract: As the trend towards larger wind turbines continues, the increasing length of wind turbine blades imposes higher demands on their structural properties. Long flexible wind turbine blades at the hundred-meter scale now typically employ composite materials. In recent engineering practice, wind turbine blade accidents occur frequently. As a result, the method for optimizing composite material layup of large wind turbine blade is attracting attention from both researchers and engineers. In the current research, thin-walled beam structural theory combined with pattern search algorithms are utilized to optimize the composite layup of large wind turbine blade structures under different loading cases. Utilizing the proposed optimization algorithm, the blade structure is capable of reducing weight while satisfying structural strength requirements. Based on the proposed optimization method, the impact of external loading on the structural optimization results are compared. The trailing edge section on the transition region is critical for wind turbine blade structural design. Increasing the thickness of the layup on spar caps is a feasible way to resist the flapwise loading. These findings provide valuable guidance for the structural design optimization of ultra-long flexible blades in large wind turbines and have positive significance for the safety and economy of wind farm operation, offering a more scientific, efficient, and practical approach to their design. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 192959137
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: A Study on the Effect of External Loading for the Composite Material Layup of a Large Wind Turbine Blade Based on a Pattern Search Algorithm.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Zhuang%2C+Xuyang%22">Zhuang, Xuyang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lu%2C+Wei%22">Lu, Wei</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Kai%22">Zhang, Kai</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cao%2C+Guangchuan%22">Cao, Guangchuan</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Meng%2C+Hang%22">Meng, Hang</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<i> windsimu@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Apr2026, Vol. 19 Issue 7, p1733. 14p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Wind+turbine+blades%22">Wind turbine blades</searchLink><br />*<searchLink fieldCode="DE" term="%22Structural+optimization%22">Structural optimization</searchLink><br />*<searchLink fieldCode="DE" term="%22Wind+turbines%22">Wind turbines</searchLink><br />*<searchLink fieldCode="DE" term="%22Mechanical+loads%22">Mechanical loads</searchLink><br />*<searchLink fieldCode="DE" term="%22Laminated+materials%22">Laminated materials</searchLink><br />*<searchLink fieldCode="DE" term="%22Thin-walled+structures%22">Thin-walled structures</searchLink><br />*<searchLink fieldCode="DE" term="%22Optimization+algorithms%22">Optimization algorithms</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: As the trend towards larger wind turbines continues, the increasing length of wind turbine blades imposes higher demands on their structural properties. Long flexible wind turbine blades at the hundred-meter scale now typically employ composite materials. In recent engineering practice, wind turbine blade accidents occur frequently. As a result, the method for optimizing composite material layup of large wind turbine blade is attracting attention from both researchers and engineers. In the current research, thin-walled beam structural theory combined with pattern search algorithms are utilized to optimize the composite layup of large wind turbine blade structures under different loading cases. Utilizing the proposed optimization algorithm, the blade structure is capable of reducing weight while satisfying structural strength requirements. Based on the proposed optimization method, the impact of external loading on the structural optimization results are compared. The trailing edge section on the transition region is critical for wind turbine blade structural design. Increasing the thickness of the layup on spar caps is a feasible way to resist the flapwise loading. These findings provide valuable guidance for the structural design optimization of ultra-long flexible blades in large wind turbines and have positive significance for the safety and economy of wind farm operation, offering a more scientific, efficient, and practical approach to their design. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=192959137
RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.3390/en19071733
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 1733
    Subjects:
      – SubjectFull: Wind turbine blades
        Type: general
      – SubjectFull: Structural optimization
        Type: general
      – SubjectFull: Wind turbines
        Type: general
      – SubjectFull: Mechanical loads
        Type: general
      – SubjectFull: Laminated materials
        Type: general
      – SubjectFull: Thin-walled structures
        Type: general
      – SubjectFull: Optimization algorithms
        Type: general
    Titles:
      – TitleFull: A Study on the Effect of External Loading for the Composite Material Layup of a Large Wind Turbine Blade Based on a Pattern Search Algorithm.
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            NameFull: Zhuang, Xuyang
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            NameFull: Lu, Wei
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            NameFull: Zhang, Kai
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            NameFull: Cao, Guangchuan
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            NameFull: Meng, Hang
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            – D: 01
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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              Value: 19961073
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              Value: 19
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              Value: 7
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            – TitleFull: Energies (19961073)
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