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Parametric study of automotive composite bumper beams subjected to low-velocity impacts

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Title: Parametric study of automotive composite bumper beams subjected to low-velocity impacts
Authors: Hosseinzadeh, Ramin1, Shokrieh, Mahmood M.2 shokrieh@iust.ac.ir, Lessard, Larry B.3
Source: Composite Structures. May2005, Vol. 68 Issue 4, p419-427. 9p.
Subjects: Composite materials, Materials, Energy consumption, Carbon composites
Abstract: Fuel efficiency and emission gas regulations are the main causes for reducing the weight of passenger cars by using composite structures. Bumper beams are one of the main structures of passenger cars that protect them from front and rear collisions. In this paper, a commercial front bumper beam made of glass mat thermoplastic (GMT) is studied and characterized by impact modeling using LS-DYNA ANSYS 5.7 according to the E.C.E. UNITED NATIONS AGREEMENT [UNITED NATIONS AGREEMENT, Uniform Provisions concerning the Approval of Vehicles with regards to their Front and Rear Protective Devices (Bumpers, etc.), E.C.E., 1994]. Three main design factors for this structure: shape, material and impact conditions are studied and the results are compared with conventional metals like steel and aluminum. Finally the aforementioned factors are characterized by proposing a high strength SMC [Composite and metallic crash performance, Hawaii University, 1999, Available from: ] (sheet molding compound) bumper instead of the current GMT. The advantages of the proposed model: equal strength and rigidity of the structure, reduction of material, ease of manufacturing by simplifying geometrical shape and reduction of production cost are studied and proved. [Copyright &y& Elsevier]
Copyright of Composite Structures is the property of Elsevier B.V. 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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 15855578
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Parametric study of automotive composite bumper beams subjected to low-velocity impacts
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  Data: <searchLink fieldCode="AR" term="%22Hosseinzadeh%2C+Ramin%22">Hosseinzadeh, Ramin</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Shokrieh%2C+Mahmood+M%2E%22">Shokrieh, Mahmood M.</searchLink><relatesTo>2</relatesTo><i> shokrieh@iust.ac.ir</i><br /><searchLink fieldCode="AR" term="%22Lessard%2C+Larry+B%2E%22">Lessard, Larry B.</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Composite+Structures%22">Composite Structures</searchLink>. May2005, Vol. 68 Issue 4, p419-427. 9p.
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– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Fuel efficiency and emission gas regulations are the main causes for reducing the weight of passenger cars by using composite structures. Bumper beams are one of the main structures of passenger cars that protect them from front and rear collisions. In this paper, a commercial front bumper beam made of glass mat thermoplastic (GMT) is studied and characterized by impact modeling using LS-DYNA ANSYS 5.7 according to the E.C.E. UNITED NATIONS AGREEMENT [UNITED NATIONS AGREEMENT, Uniform Provisions concerning the Approval of Vehicles with regards to their Front and Rear Protective Devices (Bumpers, etc.), E.C.E., 1994]. Three main design factors for this structure: shape, material and impact conditions are studied and the results are compared with conventional metals like steel and aluminum. Finally the aforementioned factors are characterized by proposing a high strength SMC [Composite and metallic crash performance, Hawaii University, 1999, Available from: ] (sheet molding compound) bumper instead of the current GMT. The advantages of the proposed model: equal strength and rigidity of the structure, reduction of material, ease of manufacturing by simplifying geometrical shape and reduction of production cost are studied and proved. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Composite Structures is the property of Elsevier B.V. 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: 10.1016/j.compstruct.2004.04.008
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      – Code: eng
        Text: English
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        PageCount: 9
        StartPage: 419
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        Type: general
      – SubjectFull: Materials
        Type: general
      – SubjectFull: Energy consumption
        Type: general
      – SubjectFull: Carbon composites
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              Text: May2005
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