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Study on Damage Characteristics of Loquat Based on Test and Finite Element Method.

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Title: Study on Damage Characteristics of Loquat Based on Test and Finite Element Method.
Authors: Sun, Bing1 (AUTHOR), Xie, Zhiping1 (AUTHOR) xzpfeiniao@163.com, Xue, Yiheng1 (AUTHOR), Zhang, Zongpeng1 (AUTHOR), Hu, Shetan1 (AUTHOR), Mou, Xu1 (AUTHOR), Wu, Jinping1 (AUTHOR)
Source: Journal of Food Process Engineering. Jul2025, Vol. 48 Issue 7, p1-14. 14p.
Subjects: Finite element method, Loquat, Elastic modulus, Yield stress, Compression loads, Force & energy
Abstract: Loquat (Eriobotrya japonica) has extremely high nutritional and medicinal values. However, it is highly susceptible to compressive damage during picking and postharvest handling. This study aims to establish a finite element model to investigate the damage characteristics of loquats under different contact shapes (circle, cirque, dot, and square) and various loads. Material properties of the pericarp and flesh, including elastic modulus and biological yield stress, were measured through tensile and compression tests. A multiscale model of a loquat composed of pericarp, flesh, and core was established using image processing techniques. In compression damage experiments on loquats, the maximum loads that loquats could withstand under circle, cirque, dot, and square contact shapes were measured as 23.39 N, 15.51 N, 11.67 N, and 9.51 N, respectively. The linear fitting coefficients (R2) of force‐damage volume were determined to be 0.97, 0.88, 0.96, and 0.98, respectively, indicating a positive linear correlation between force and damage volume. A comparison between simulations and experiments showed that the minimum and maximum errors in damage volume were 3.7% and 18.6%, respectively. The results confirm that the finite element method is reliable for predicting fruit compression damage, providing a theoretical framework for the development of automated equipment for subsequent processing. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Food Process Engineering is the property of Wiley-Blackwell 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: Study on Damage Characteristics of Loquat Based on Test and Finite Element Method.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Sun%2C+Bing%22">Sun, Bing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xie%2C+Zhiping%22">Xie, Zhiping</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> xzpfeiniao@163.com</i><br /><searchLink fieldCode="AR" term="%22Xue%2C+Yiheng%22">Xue, Yiheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Zongpeng%22">Zhang, Zongpeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hu%2C+Shetan%22">Hu, Shetan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mou%2C+Xu%22">Mou, Xu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Jinping%22">Wu, Jinping</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Food+Process+Engineering%22">Journal of Food Process Engineering</searchLink>. Jul2025, Vol. 48 Issue 7, p1-14. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Loquat%22">Loquat</searchLink><br /><searchLink fieldCode="DE" term="%22Elastic+modulus%22">Elastic modulus</searchLink><br /><searchLink fieldCode="DE" term="%22Yield+stress%22">Yield stress</searchLink><br /><searchLink fieldCode="DE" term="%22Compression+loads%22">Compression loads</searchLink><br /><searchLink fieldCode="DE" term="%22Force+%26+energy%22">Force & energy</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Loquat (Eriobotrya japonica) has extremely high nutritional and medicinal values. However, it is highly susceptible to compressive damage during picking and postharvest handling. This study aims to establish a finite element model to investigate the damage characteristics of loquats under different contact shapes (circle, cirque, dot, and square) and various loads. Material properties of the pericarp and flesh, including elastic modulus and biological yield stress, were measured through tensile and compression tests. A multiscale model of a loquat composed of pericarp, flesh, and core was established using image processing techniques. In compression damage experiments on loquats, the maximum loads that loquats could withstand under circle, cirque, dot, and square contact shapes were measured as 23.39 N, 15.51 N, 11.67 N, and 9.51 N, respectively. The linear fitting coefficients (R2) of force‐damage volume were determined to be 0.97, 0.88, 0.96, and 0.98, respectively, indicating a positive linear correlation between force and damage volume. A comparison between simulations and experiments showed that the minimum and maximum errors in damage volume were 3.7% and 18.6%, respectively. The results confirm that the finite element method is reliable for predicting fruit compression damage, providing a theoretical framework for the development of automated equipment for subsequent processing. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Food Process Engineering is the property of Wiley-Blackwell 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1111/jfpe.70195
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 1
    Subjects:
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Loquat
        Type: general
      – SubjectFull: Elastic modulus
        Type: general
      – SubjectFull: Yield stress
        Type: general
      – SubjectFull: Compression loads
        Type: general
      – SubjectFull: Force & energy
        Type: general
    Titles:
      – TitleFull: Study on Damage Characteristics of Loquat Based on Test and Finite Element Method.
        Type: main
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    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Sun, Bing
      – PersonEntity:
          Name:
            NameFull: Xie, Zhiping
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            NameFull: Xue, Yiheng
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            NameFull: Zhang, Zongpeng
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            NameFull: Hu, Shetan
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            NameFull: Mou, Xu
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            NameFull: Wu, Jinping
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          Dates:
            – D: 01
              M: 07
              Text: Jul2025
              Type: published
              Y: 2025
          Identifiers:
            – Type: issn-print
              Value: 01458876
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              Value: 48
            – Type: issue
              Value: 7
          Titles:
            – TitleFull: Journal of Food Process Engineering
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