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Comparison of buckling deformations in compressed rigid-plastic Cosserat plates with three-dimensional plates - MaRDI portal

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Comparison of buckling deformations in compressed rigid-plastic Cosserat plates with three-dimensional plates (Q1067845)

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scientific article; zbMATH DE number 3930467
Language Label Description Also known as
English
Comparison of buckling deformations in compressed rigid-plastic Cosserat plates with three-dimensional plates
scientific article; zbMATH DE number 3930467

    Statements

    title
    Comparison of buckling deformations in compressed rigid-plastic Cosserat plates with three-dimensional plates (English)
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    author
    H. Ramsey
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    publication date
    1986
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    review text
    A comparison is made of solutions for buckling in bending and bulging modes in compressed rigid-plastic Cosserat plates and three-dimensional plates. Close agreement is found in the bending mode, and a value for the constitutive coefficient for transverse shear deformation in plastic bending of Cosserat plates is determined. Comparison of solutions for the bulging mode discloses an anomaly. When a Cosserat plate is loaded in tension instead of compression, the solution for the bulging mode could be expected to describe necking instability. However, no solution was found for necking.
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    zbMATH Keywords
    eigensolution
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    bending instability
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    bulging instability
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    small deformation superposed on uniform flow
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    buckling
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    bulging modes
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    compressed rigid-plastic Cosserat plates
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    three-dimensional plates
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    constitutive coefficient
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    transverse shear deformation
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    plastic bending of Cosserat plates
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    necking instability
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    Identifiers

    Mathematics Subject Classification ID
    74G60
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    74K20
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    74B99
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    74C99
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    74D99
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    zbMATH DE Number
    3930467
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    OpenAlex ID
    W2047540480
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