Dynamic and static performance of the new type of offshore wind turbine blade based on equivalence of BFRP beetle elytron plate.

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Title: Dynamic and static performance of the new type of offshore wind turbine blade based on equivalence of BFRP beetle elytron plate.
Authors: Zheng, Tengteng1,2 (AUTHOR), Shang, Lijie1 (AUTHOR), Zhao, Caiqi1 (AUTHOR) 101000815@seu.edu.cn, Lan, Haitao1 (AUTHOR)
Source: Advances in Structural Engineering. Apr2026, Vol. 29 Issue 6, p1062-1075. 14p.
Subjects: Wind turbine blades, Dynamic stability, Sensitivity analysis, ANSYS (Computer system), Eigenfrequencies, Fiber-reinforced plastics
Abstract: In order to avoid the damage of the new type of offshore wind turbine blade (beetle elytron plate blade), it is of great significance to study its dynamic and static stability for the safe operation of the beetle elytron plate blade (BEP blade). In this study, the equivalent model of the beetle elytron plate was proposed to simplify the calculation model of the BEP blade. The static performance of BEP blade under four representative working conditions and its advantages over FRP blades were studied by ANSYS Workbench, and the influence of material type, rotational speed, thickness of skin and web on the dynamic performance of BEP blade was discussed by parametric analysis. The results show that the equivalent plate theory adjusted by dichotomy method is suitable for the equivalence of the cantilevered beetle elytron plate. The first-order natural frequency of BEP blade is more than 1.25 times that of GFRP blade, which is about 43% higher than that of BFRP blade. The natural frequency of the BEP blade generally increases with the increase of the thickness of the skin and web, and the rotational speed and pitch angle has little effect on it. In addition, the pitch and shutdown can significantly reduce the surface stress level of the BEP blade by exerting the bending resistance of the web when the BEP blade under shutdown failure condition. This study provides a reference for engineering design and promotes the application of BEP blade in the field of wind power. [ABSTRACT FROM AUTHOR]
Copyright of Advances in Structural Engineering is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: Dynamic and static performance of the new type of offshore wind turbine blade based on equivalence of BFRP beetle elytron plate.
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  Data: <searchLink fieldCode="AR" term="%22Zheng%2C+Tengteng%22">Zheng, Tengteng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shang%2C+Lijie%22">Shang, Lijie</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Caiqi%22">Zhao, Caiqi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> 101000815@seu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Lan%2C+Haitao%22">Lan, Haitao</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Advances+in+Structural+Engineering%22">Advances in Structural Engineering</searchLink>. Apr2026, Vol. 29 Issue 6, p1062-1075. 14p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Wind+turbine+blades%22">Wind turbine blades</searchLink><br /><searchLink fieldCode="DE" term="%22Dynamic+stability%22">Dynamic stability</searchLink><br /><searchLink fieldCode="DE" term="%22Sensitivity+analysis%22">Sensitivity analysis</searchLink><br /><searchLink fieldCode="DE" term="%22ANSYS+%28Computer+system%29%22">ANSYS (Computer system)</searchLink><br /><searchLink fieldCode="DE" term="%22Eigenfrequencies%22">Eigenfrequencies</searchLink><br /><searchLink fieldCode="DE" term="%22Fiber-reinforced+plastics%22">Fiber-reinforced plastics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In order to avoid the damage of the new type of offshore wind turbine blade (beetle elytron plate blade), it is of great significance to study its dynamic and static stability for the safe operation of the beetle elytron plate blade (BEP blade). In this study, the equivalent model of the beetle elytron plate was proposed to simplify the calculation model of the BEP blade. The static performance of BEP blade under four representative working conditions and its advantages over FRP blades were studied by ANSYS Workbench, and the influence of material type, rotational speed, thickness of skin and web on the dynamic performance of BEP blade was discussed by parametric analysis. The results show that the equivalent plate theory adjusted by dichotomy method is suitable for the equivalence of the cantilevered beetle elytron plate. The first-order natural frequency of BEP blade is more than 1.25 times that of GFRP blade, which is about 43% higher than that of BFRP blade. The natural frequency of the BEP blade generally increases with the increase of the thickness of the skin and web, and the rotational speed and pitch angle has little effect on it. In addition, the pitch and shutdown can significantly reduce the surface stress level of the BEP blade by exerting the bending resistance of the web when the BEP blade under shutdown failure condition. This study provides a reference for engineering design and promotes the application of BEP blade in the field of wind power. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Advances in Structural Engineering is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1177/13694332251375192
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      – Code: eng
        Text: English
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        PageCount: 14
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      – SubjectFull: Wind turbine blades
        Type: general
      – SubjectFull: Dynamic stability
        Type: general
      – SubjectFull: Sensitivity analysis
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      – SubjectFull: ANSYS (Computer system)
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      – SubjectFull: Eigenfrequencies
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      – SubjectFull: Fiber-reinforced plastics
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      – TitleFull: Dynamic and static performance of the new type of offshore wind turbine blade based on equivalence of BFRP beetle elytron plate.
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            NameFull: Zheng, Tengteng
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            NameFull: Shang, Lijie
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            NameFull: Zhao, Caiqi
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            NameFull: Lan, Haitao
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            – D: 15
              M: 04
              Text: Apr2026
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              Y: 2026
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